Implement CallbackTaskManager for Create*PipelineAsync

This patch implements CallbackTask and CallbackTaskManager to store
the callbacks of Create*PipelineAsync().

In the futureCallbackTaskManager will manage all the callbacks that
should be called in Device.Tick().

BUG=dawn:529

Change-Id: I6ad4352371eb44515bc2d85cdc68220c9b758b8e
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/49060
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Jiawei Shao <jiawei.shao@intel.com>

src/dawn_native/BUILD.gn

@@ -184,6 +184,8 @@ source_set("dawn_native_sources") {
     "Buffer.h",
     "CachedObject.cpp",
     "CachedObject.h",
+    "CallbackTaskManager.cpp",
+    "CallbackTaskManager.h",
     "CommandAllocator.cpp",
     "CommandAllocator.h",
     "CommandBuffer.cpp",
@@ -204,8 +206,8 @@ source_set("dawn_native_sources") {
     "ComputePipeline.h",
     "CopyTextureForBrowserHelper.cpp",
     "CopyTextureForBrowserHelper.h",
-    "CreatePipelineAsyncTracker.cpp",
+    "CreatePipelineAsyncTask.cpp",
-    "CreatePipelineAsyncTracker.h",
+    "CreatePipelineAsyncTask.h",
     "Device.cpp",
     "Device.h",
     "DynamicUploader.cpp",

src/dawn_native/CMakeLists.txt

@@ -50,6 +50,8 @@ target_sources(dawn_native PRIVATE
     "Buffer.h"
     "CachedObject.cpp"
     "CachedObject.h"
+    "CallbackTaskManager.cpp"
+    "CallbackTaskManager.h"
     "CommandAllocator.cpp"
     "CommandAllocator.h"
     "CommandBuffer.cpp"
@@ -70,8 +72,8 @@ target_sources(dawn_native PRIVATE
     "ComputePipeline.h"
     "CopyTextureForBrowserHelper.cpp"
     "CopyTextureForBrowserHelper.h"
-    "CreatePipelineAsyncTracker.cpp"
+    "CreatePipelineAsyncTask.cpp"
-    "CreatePipelineAsyncTracker.h"
+    "CreatePipelineAsyncTask.h"
     "Device.cpp"
     "Device.h"
     "DynamicUploader.cpp"

src/dawn_native/CallbackTaskManager.cpp

@@ -0,0 +1,37 @@
+// Copyright 2021 The Dawn Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "dawn_native/CallbackTaskManager.h"
+
+namespace dawn_native {
+
+    bool CallbackTaskManager::IsEmpty() {
+        std::lock_guard<std::mutex> lock(mCallbackTaskQueueMutex);
+        return mCallbackTaskQueue.empty();
+    }
+
+    std::vector<std::unique_ptr<CallbackTask>> CallbackTaskManager::AcquireCallbackTasks() {
+        std::lock_guard<std::mutex> lock(mCallbackTaskQueueMutex);
+
+        std::vector<std::unique_ptr<CallbackTask>> allTasks;
+        allTasks.swap(mCallbackTaskQueue);
+        return allTasks;
+    }
+
+    void CallbackTaskManager::AddCallbackTask(std::unique_ptr<CallbackTask> callbackTask) {
+        std::lock_guard<std::mutex> lock(mCallbackTaskQueueMutex);
+        mCallbackTaskQueue.push_back(std::move(callbackTask));
+    }
+
+}  // namespace dawn_native

src/dawn_native/CallbackTaskManager.h

@@ -0,0 +1,47 @@
+// Copyright 2021 The Dawn Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef DAWNNATIVE_CALLBACK_TASK_MANAGER_H_
+#define DAWNNATIVE_CALLBACK_TASK_MANAGER_H_
+
+#include <memory>
+#include <mutex>
+#include <vector>
+
+namespace dawn_native {
+
+    class CallbackTaskManager;
+
+    struct CallbackTask {
+      public:
+        virtual ~CallbackTask() = default;
+        virtual void Finish() = 0;
+        virtual void HandleShutDown() = 0;
+        virtual void HandleDeviceLoss() = 0;
+    };
+
+    class CallbackTaskManager {
+      public:
+        void AddCallbackTask(std::unique_ptr<CallbackTask> callbackTask);
+        bool IsEmpty();
+        std::vector<std::unique_ptr<CallbackTask>> AcquireCallbackTasks();
+
+      private:
+        std::mutex mCallbackTaskQueueMutex;
+        std::vector<std::unique_ptr<CallbackTask>> mCallbackTaskQueue;
+    };
+
+}  // namespace dawn_native
+
+#endif

src/dawn_native/CreatePipelineAsyncTask.cpp

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#include "dawn_native/CreatePipelineAsyncTracker.h"
+#include "dawn_native/CreatePipelineAsyncTask.h"
 
 #include "dawn_native/ComputePipeline.h"
 #include "dawn_native/Device.h"
@@ -20,25 +20,23 @@
 
 namespace dawn_native {
 
-    CreatePipelineAsyncTaskBase::CreatePipelineAsyncTaskBase(std::string errorMessage,
+    CreatePipelineAsyncCallbackTaskBase::CreatePipelineAsyncCallbackTaskBase(
-                                                             void* userdata)
+        std::string errorMessage,
+        void* userdata)
         : mErrorMessage(errorMessage), mUserData(userdata) {
     }
 
-    CreatePipelineAsyncTaskBase::~CreatePipelineAsyncTaskBase() {
+    CreateComputePipelineAsyncCallbackTask::CreateComputePipelineAsyncCallbackTask(
-    }
-
-    CreateComputePipelineAsyncTask::CreateComputePipelineAsyncTask(
         Ref<ComputePipelineBase> pipeline,
         std::string errorMessage,
         WGPUCreateComputePipelineAsyncCallback callback,
         void* userdata)
-        : CreatePipelineAsyncTaskBase(errorMessage, userdata),
+        : CreatePipelineAsyncCallbackTaskBase(errorMessage, userdata),
           mPipeline(std::move(pipeline)),
           mCreateComputePipelineAsyncCallback(callback) {
     }
 
-    void CreateComputePipelineAsyncTask::Finish() {
+    void CreateComputePipelineAsyncCallbackTask::Finish() {
         ASSERT(mCreateComputePipelineAsyncCallback != nullptr);
 
         if (mPipeline.Get() != nullptr) {
@@ -51,31 +49,31 @@ namespace dawn_native {
         }
     }
 
-    void CreateComputePipelineAsyncTask::HandleShutDown() {
+    void CreateComputePipelineAsyncCallbackTask::HandleShutDown() {
         ASSERT(mCreateComputePipelineAsyncCallback != nullptr);
 
         mCreateComputePipelineAsyncCallback(WGPUCreatePipelineAsyncStatus_DeviceDestroyed, nullptr,
                                             "Device destroyed before callback", mUserData);
     }
 
-    void CreateComputePipelineAsyncTask::HandleDeviceLoss() {
+    void CreateComputePipelineAsyncCallbackTask::HandleDeviceLoss() {
         ASSERT(mCreateComputePipelineAsyncCallback != nullptr);
 
         mCreateComputePipelineAsyncCallback(WGPUCreatePipelineAsyncStatus_DeviceLost, nullptr,
                                             "Device lost before callback", mUserData);
     }
 
-    CreateRenderPipelineAsyncTask::CreateRenderPipelineAsyncTask(
+    CreateRenderPipelineAsyncCallbackTask::CreateRenderPipelineAsyncCallbackTask(
         Ref<RenderPipelineBase> pipeline,
         std::string errorMessage,
         WGPUCreateRenderPipelineAsyncCallback callback,
         void* userdata)
-        : CreatePipelineAsyncTaskBase(errorMessage, userdata),
+        : CreatePipelineAsyncCallbackTaskBase(errorMessage, userdata),
           mPipeline(std::move(pipeline)),
           mCreateRenderPipelineAsyncCallback(callback) {
     }
 
-    void CreateRenderPipelineAsyncTask::Finish() {
+    void CreateRenderPipelineAsyncCallbackTask::Finish() {
         ASSERT(mCreateRenderPipelineAsyncCallback != nullptr);
 
         if (mPipeline.Get() != nullptr) {
@@ -88,62 +86,18 @@ namespace dawn_native {
         }
     }
 
-    void CreateRenderPipelineAsyncTask::HandleShutDown() {
+    void CreateRenderPipelineAsyncCallbackTask::HandleShutDown() {
         ASSERT(mCreateRenderPipelineAsyncCallback != nullptr);
 
         mCreateRenderPipelineAsyncCallback(WGPUCreatePipelineAsyncStatus_DeviceDestroyed, nullptr,
                                            "Device destroyed before callback", mUserData);
     }
 
-    void CreateRenderPipelineAsyncTask::HandleDeviceLoss() {
+    void CreateRenderPipelineAsyncCallbackTask::HandleDeviceLoss() {
         ASSERT(mCreateRenderPipelineAsyncCallback != nullptr);
 
         mCreateRenderPipelineAsyncCallback(WGPUCreatePipelineAsyncStatus_DeviceLost, nullptr,
                                            "Device lost before callback", mUserData);
     }
 
-    CreatePipelineAsyncTracker::CreatePipelineAsyncTracker(DeviceBase* device) : mDevice(device) {
-    }
-
-    CreatePipelineAsyncTracker::~CreatePipelineAsyncTracker() {
-        ASSERT(mCreatePipelineAsyncTasksInFlight.Empty());
-    }
-
-    void CreatePipelineAsyncTracker::TrackTask(std::unique_ptr<CreatePipelineAsyncTaskBase> task,
-                                               ExecutionSerial serial) {
-        mCreatePipelineAsyncTasksInFlight.Enqueue(std::move(task), serial);
-        mDevice->AddFutureSerial(serial);
-    }
-
-    void CreatePipelineAsyncTracker::Tick(ExecutionSerial finishedSerial) {
-        // If a user calls Queue::Submit inside Create*PipelineAsync, then the device will be
-        // ticked, which in turns ticks the tracker, causing reentrance here. To prevent the
-        // reentrant call from invalidating mCreatePipelineAsyncTasksInFlight while in use by the
-        // first call, we remove the tasks to finish from the queue, update
-        // mCreatePipelineAsyncTasksInFlight, then run the callbacks.
-        std::vector<std::unique_ptr<CreatePipelineAsyncTaskBase>> tasks;
-        for (auto& task : mCreatePipelineAsyncTasksInFlight.IterateUpTo(finishedSerial)) {
-            tasks.push_back(std::move(task));
-        }
-        mCreatePipelineAsyncTasksInFlight.ClearUpTo(finishedSerial);
-
-        for (auto& task : tasks) {
-            task->Finish();
-        }
-    }
-
-    void CreatePipelineAsyncTracker::ClearForShutDown() {
-        for (auto& task : mCreatePipelineAsyncTasksInFlight.IterateAll()) {
-            task->HandleShutDown();
-        }
-        mCreatePipelineAsyncTasksInFlight.Clear();
-    }
-
-    void CreatePipelineAsyncTracker::ClearForDeviceLoss() {
-        for (auto& task : mCreatePipelineAsyncTasksInFlight.IterateAll()) {
-            task->HandleDeviceLoss();
-        }
-        mCreatePipelineAsyncTasksInFlight.Clear();
-    }
-
 }  // namespace dawn_native

src/dawn_native/CreatePipelineAsyncTask.h

@@ -0,0 +1,68 @@
+// Copyright 2020 The Dawn Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef DAWNNATIVE_CREATEPIPELINEASYNCTASK_H_
+#define DAWNNATIVE_CREATEPIPELINEASYNCTASK_H_
+
+#include "common/RefCounted.h"
+#include "dawn/webgpu.h"
+#include "dawn_native/CallbackTaskManager.h"
+
+namespace dawn_native {
+
+    class ComputePipelineBase;
+    class DeviceBase;
+    class RenderPipelineBase;
+
+    struct CreatePipelineAsyncCallbackTaskBase : CallbackTask {
+        CreatePipelineAsyncCallbackTaskBase(std::string errorMessage, void* userData);
+
+      protected:
+        std::string mErrorMessage;
+        void* mUserData;
+    };
+
+    struct CreateComputePipelineAsyncCallbackTask final : CreatePipelineAsyncCallbackTaskBase {
+        CreateComputePipelineAsyncCallbackTask(Ref<ComputePipelineBase> pipeline,
+                                               std::string errorMessage,
+                                               WGPUCreateComputePipelineAsyncCallback callback,
+                                               void* userdata);
+
+        void Finish() final;
+        void HandleShutDown() final;
+        void HandleDeviceLoss() final;
+
+      private:
+        Ref<ComputePipelineBase> mPipeline;
+        WGPUCreateComputePipelineAsyncCallback mCreateComputePipelineAsyncCallback;
+    };
+
+    struct CreateRenderPipelineAsyncCallbackTask final : CreatePipelineAsyncCallbackTaskBase {
+        CreateRenderPipelineAsyncCallbackTask(Ref<RenderPipelineBase> pipeline,
+                                              std::string errorMessage,
+                                              WGPUCreateRenderPipelineAsyncCallback callback,
+                                              void* userdata);
+
+        void Finish() final;
+        void HandleShutDown() final;
+        void HandleDeviceLoss() final;
+
+      private:
+        Ref<RenderPipelineBase> mPipeline;
+        WGPUCreateRenderPipelineAsyncCallback mCreateRenderPipelineAsyncCallback;
+    };
+
+}  // namespace dawn_native
+
+#endif  // DAWNNATIVE_CREATEPIPELINEASYNCTASK_H_

src/dawn_native/CreatePipelineAsyncTracker.h

@@ -1,93 +0,0 @@
-// Copyright 2020 The Dawn Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#ifndef DAWNNATIVE_CREATEPIPELINEASYNCTRACKER_H_
-#define DAWNNATIVE_CREATEPIPELINEASYNCTRACKER_H_
-
-#include "common/RefCounted.h"
-#include "common/SerialQueue.h"
-#include "dawn/webgpu.h"
-#include "dawn_native/IntegerTypes.h"
-
-#include <memory>
-#include <string>
-
-namespace dawn_native {
-
-    class ComputePipelineBase;
-    class DeviceBase;
-    class RenderPipelineBase;
-
-    struct CreatePipelineAsyncTaskBase {
-        CreatePipelineAsyncTaskBase(std::string errorMessage, void* userData);
-        virtual ~CreatePipelineAsyncTaskBase();
-
-        virtual void Finish() = 0;
-        virtual void HandleShutDown() = 0;
-        virtual void HandleDeviceLoss() = 0;
-
-      protected:
-        std::string mErrorMessage;
-        void* mUserData;
-    };
-
-    struct CreateComputePipelineAsyncTask final : public CreatePipelineAsyncTaskBase {
-        CreateComputePipelineAsyncTask(Ref<ComputePipelineBase> pipeline,
-                                       std::string errorMessage,
-                                       WGPUCreateComputePipelineAsyncCallback callback,
-                                       void* userdata);
-
-        void Finish() final;
-        void HandleShutDown() final;
-        void HandleDeviceLoss() final;
-
-      private:
-        Ref<ComputePipelineBase> mPipeline;
-        WGPUCreateComputePipelineAsyncCallback mCreateComputePipelineAsyncCallback;
-    };
-
-    struct CreateRenderPipelineAsyncTask final : public CreatePipelineAsyncTaskBase {
-        CreateRenderPipelineAsyncTask(Ref<RenderPipelineBase> pipeline,
-                                      std::string errorMessage,
-                                      WGPUCreateRenderPipelineAsyncCallback callback,
-                                      void* userdata);
-
-        void Finish() final;
-        void HandleShutDown() final;
-        void HandleDeviceLoss() final;
-
-      private:
-        Ref<RenderPipelineBase> mPipeline;
-        WGPUCreateRenderPipelineAsyncCallback mCreateRenderPipelineAsyncCallback;
-    };
-
-    class CreatePipelineAsyncTracker {
-      public:
-        explicit CreatePipelineAsyncTracker(DeviceBase* device);
-        ~CreatePipelineAsyncTracker();
-
-        void TrackTask(std::unique_ptr<CreatePipelineAsyncTaskBase> task, ExecutionSerial serial);
-        void Tick(ExecutionSerial finishedSerial);
-        void ClearForShutDown();
-        void ClearForDeviceLoss();
-
-      private:
-        DeviceBase* mDevice;
-        SerialQueue<ExecutionSerial, std::unique_ptr<CreatePipelineAsyncTaskBase>>
-            mCreatePipelineAsyncTasksInFlight;
-    };
-
-}  // namespace dawn_native
-
-#endif  // DAWNNATIVE_CREATEPIPELINEASYNCTRACKER_H_

src/dawn_native/Device.cpp

@@ -20,11 +20,12 @@
 #include "dawn_native/BindGroup.h"
 #include "dawn_native/BindGroupLayout.h"
 #include "dawn_native/Buffer.h"
+#include "dawn_native/CallbackTaskManager.h"
 #include "dawn_native/CommandBuffer.h"
 #include "dawn_native/CommandEncoder.h"
 #include "dawn_native/CompilationMessages.h"
 #include "dawn_native/ComputePipeline.h"
-#include "dawn_native/CreatePipelineAsyncTracker.h"
+#include "dawn_native/CreatePipelineAsyncTask.h"
 #include "dawn_native/DynamicUploader.h"
 #include "dawn_native/ErrorData.h"
 #include "dawn_native/ErrorScope.h"
@@ -125,7 +126,7 @@ namespace dawn_native {
         mCaches = std::make_unique<DeviceBase::Caches>();
         mErrorScopeStack = std::make_unique<ErrorScopeStack>();
         mDynamicUploader = std::make_unique<DynamicUploader>(this);
-        mCreatePipelineAsyncTracker = std::make_unique<CreatePipelineAsyncTracker>(this);
+        mCallbackTaskManager = std::make_unique<CallbackTaskManager>();
         mDeprecationWarnings = std::make_unique<DeprecationWarnings>();
         mInternalPipelineStore = std::make_unique<InternalPipelineStore>();
         mPersistentCache = std::make_unique<PersistentCache>(this);
@@ -142,8 +143,11 @@ namespace dawn_native {
     void DeviceBase::ShutDownBase() {
         // Skip handling device facilities if they haven't even been created (or failed doing so)
         if (mState != State::BeingCreated) {
-            // Reject all async pipeline creations.
+            // Call all the callbacks immediately as the device is about to shut down.
-            mCreatePipelineAsyncTracker->ClearForShutDown();
+            auto callbackTasks = mCallbackTaskManager->AcquireCallbackTasks();
+            for (std::unique_ptr<CallbackTask>& callbackTask : callbackTasks) {
+                callbackTask->HandleShutDown();
+            }
         }
 
         // Disconnect the device, depending on which state we are currently in.
@@ -188,7 +192,7 @@ namespace dawn_native {
         mState = State::Disconnected;
 
         mDynamicUploader = nullptr;
-        mCreatePipelineAsyncTracker = nullptr;
+        mCallbackTaskManager = nullptr;
         mPersistentCache = nullptr;
 
         mEmptyBindGroupLayout = nullptr;
@@ -238,7 +242,10 @@ namespace dawn_native {
             }
 
             mQueue->HandleDeviceLoss();
-            mCreatePipelineAsyncTracker->ClearForDeviceLoss();
+            auto callbackTasks = mCallbackTaskManager->AcquireCallbackTasks();
+            for (std::unique_ptr<CallbackTask>& callbackTask : callbackTasks) {
+                callbackTask->HandleDeviceLoss();
+            }
 
             // Still forward device loss errors to the error scopes so they all reject.
             mErrorScopeStack->HandleError(ToWGPUErrorType(type), message);
@@ -766,10 +773,10 @@ namespace dawn_native {
         }
 
         Ref<RenderPipelineBase> result = maybeResult.AcquireSuccess();
-        std::unique_ptr<CreateRenderPipelineAsyncTask> request =
+        std::unique_ptr<CreateRenderPipelineAsyncCallbackTask> callbackTask =
-            std::make_unique<CreateRenderPipelineAsyncTask>(std::move(result), "", callback,
+            std::make_unique<CreateRenderPipelineAsyncCallbackTask>(std::move(result), "", callback,
-                                                            userdata);
+                                                                    userdata);
-        mCreatePipelineAsyncTracker->TrackTask(std::move(request), GetPendingCommandSerial());
+        mCallbackTaskManager->AddCallbackTask(std::move(callbackTask));
     }
     RenderBundleEncoder* DeviceBase::APICreateRenderBundleEncoder(
         const RenderBundleEncoderDescriptor* descriptor) {
@@ -951,8 +958,19 @@ namespace dawn_native {
             // reclaiming resources one tick earlier.
             mDynamicUploader->Deallocate(mCompletedSerial);
             mQueue->Tick(mCompletedSerial);
+        }
 
-            mCreatePipelineAsyncTracker->Tick(mCompletedSerial);
+        // We have to check mCallbackTaskManager in every Tick because it is not related to any
+        // global serials.
+        if (!mCallbackTaskManager->IsEmpty()) {
+            // If a user calls Queue::Submit inside the callback, then the device will be ticked,
+            // which in turns ticks the tracker, causing reentrance and dead lock here. To prevent
+            // such reentrant call, we remove all the callback tasks from mCallbackTaskManager,
+            // update mCallbackTaskManager, then call all the callbacks.
+            auto callbackTasks = mCallbackTaskManager->AcquireCallbackTasks();
+            for (std::unique_ptr<CallbackTask>& callbackTask : callbackTasks) {
+                callbackTask->Finish();
+            }
         }
 
         return {};
@@ -1158,10 +1176,10 @@ namespace dawn_native {
             result = AddOrGetCachedPipeline(resultOrError.AcquireSuccess(), blueprintHash);
         }
 
-        std::unique_ptr<CreateComputePipelineAsyncTask> request =
+        std::unique_ptr<CreateComputePipelineAsyncCallbackTask> callbackTask =
-            std::make_unique<CreateComputePipelineAsyncTask>(result, errorMessage, callback,
+            std::make_unique<CreateComputePipelineAsyncCallbackTask>(
-                                                             userdata);
+                std::move(result), errorMessage, callback, userdata);
-        mCreatePipelineAsyncTracker->TrackTask(std::move(request), GetPendingCommandSerial());
+        mCallbackTaskManager->AddCallbackTask(std::move(callbackTask));
     }
 
     ResultOrError<Ref<PipelineLayoutBase>> DeviceBase::CreatePipelineLayout(

src/dawn_native/Device.h

@@ -34,7 +34,7 @@ namespace dawn_native {
     class AttachmentState;
     class AttachmentStateBlueprint;
     class BindGroupLayoutBase;
-    class CreatePipelineAsyncTracker;
+    class CallbackTaskManager;
     class DynamicUploader;
     class ErrorScopeStack;
     class ExternalTextureBase;
@@ -402,7 +402,7 @@ namespace dawn_native {
         Ref<BindGroupLayoutBase> mEmptyBindGroupLayout;
 
         std::unique_ptr<DynamicUploader> mDynamicUploader;
-        std::unique_ptr<CreatePipelineAsyncTracker> mCreatePipelineAsyncTracker;
+        std::unique_ptr<CallbackTaskManager> mCallbackTaskManager;
         Ref<QueueBase> mQueue;
 
         struct DeprecationWarnings;