dawn_wire: Make GetProcs() a static member function of WireClient

This patch makes GetProcs() a static member function of WireClient so
that we can call it without creating a WireClient object.

BUG=chromium:996713

Change-Id: I499be0cd2c5a5f29c796d3be88ce33c1b70711d6
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/14942
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Jiawei Shao <jiawei.shao@intel.com>

examples/SampleUtils.cpp

@@ -151,7 +151,7 @@ wgpu::Device CreateCppDawnDevice() {
 
                 wireClient = new dawn_wire::WireClient(clientDesc);
                 WGPUDevice clientDevice = wireClient->GetDevice();
-                DawnProcTable clientProcs = wireClient->GetProcs();
+                DawnProcTable clientProcs = dawn_wire::WireClient::GetProcs();
                 s2cBuf->SetHandler(wireClient);
 
                 procs = clientProcs;

src/dawn_wire/WireClient.cpp

@@ -25,12 +25,13 @@ namespace dawn_wire {
         mImpl.reset();
     }
 
-    WGPUDevice WireClient::GetDevice() const {
+    // static
-        return mImpl->GetDevice();
+    DawnProcTable WireClient::GetProcs() {
+        return client::GetProcs();
     }
 
-    DawnProcTable WireClient::GetProcs() const {
+    WGPUDevice WireClient::GetDevice() const {
-        return client::GetProcs();
+        return mImpl->GetDevice();
     }
 
     const volatile char* WireClient::HandleCommands(const volatile char* commands, size_t size) {

src/include/dawn_wire/WireClient.h

@@ -44,8 +44,9 @@ namespace dawn_wire {
         WireClient(const WireClientDescriptor& descriptor);
         ~WireClient();
 
+        static DawnProcTable GetProcs();
+
         WGPUDevice GetDevice() const;
-        DawnProcTable GetProcs() const;
         const volatile char* HandleCommands(const volatile char* commands,
                                             size_t size) override final;
 

src/tests/DawnTest.cpp

@@ -557,7 +557,7 @@ void DawnTestBase::SetUp() {
 
         mWireClient.reset(new dawn_wire::WireClient(clientDesc));
         WGPUDevice clientDevice = mWireClient->GetDevice();
-        DawnProcTable clientProcs = mWireClient->GetProcs();
+        DawnProcTable clientProcs = dawn_wire::WireClient::GetProcs();
         mS2cBuf->SetHandler(mWireClient.get());
 
         procs = clientProcs;

src/tests/unittests/GetProcAddressTests.cpp

@@ -72,7 +72,7 @@ namespace {
                     mWireClient = std::make_unique<dawn_wire::WireClient>(clientDesc);
 
                     mDevice = wgpu::Device::Acquire(mWireClient->GetDevice());
-                    mProcs = mWireClient->GetProcs();
+                    mProcs = dawn_wire::WireClient::GetProcs();
                     break;
                 }
 

src/tests/unittests/wire/WireTest.cpp

@@ -66,7 +66,7 @@ void WireTest::SetUp() {
     mS2cBuf->SetHandler(mWireClient.get());
 
     device = mWireClient->GetDevice();
-    DawnProcTable clientProcs = mWireClient->GetProcs();
+    DawnProcTable clientProcs = dawn_wire::WireClient::GetProcs();
     dawnProcSetProcs(&clientProcs);
 
     apiDevice = mockDevice;