Add MaybeError to d3d12::Device::ExecuteCommandList

Closing a command list can fail. We need to handle the error
gracefully instead of ignoring it.

As a fallout from adding MaybeError to ExecuteCommandList, need to
also add MaybeError to TickImpl, and OnBeforePresent.

Bug:dawn:19
Change-Id: I13685f3dd731f4ab49cbff4ce4edfa960d630464
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/11841
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Rafael Cintron <rafael.cintron@microsoft.com>

src/dawn_native/SwapChain.cpp

@@ -32,7 +32,7 @@ namespace dawn_native {
                 UNREACHABLE();
             }
 
-            void OnBeforePresent(TextureBase* texture) override {
+            MaybeError OnBeforePresent(TextureBase* texture) override {
                 UNREACHABLE();
             }
         };
@@ -127,7 +127,8 @@ namespace dawn_native {
         }
         ASSERT(!IsError());
 
-        OnBeforePresent(texture);
+        if (GetDevice()->ConsumedError(OnBeforePresent(texture)))
+            return;
 
         mImplementation.Present(mImplementation.userData);
     }