Bug 1405947 - Remove argument of BeginTransaction() r=kats

gfx/layers/wr/WebRenderBridgeChild.cpp

@@ -72,7 +72,7 @@ WebRenderBridgeChild::AddWebRenderParentCommands(const nsTArray<WebRenderParentC
 }
 
 bool
-WebRenderBridgeChild::BeginTransaction(const gfx::IntSize& aSize)
+WebRenderBridgeChild::BeginTransaction()
 {
   MOZ_ASSERT(!mDestroyed);
 

gfx/layers/wr/WebRenderBridgeChild.h

@@ -67,7 +67,7 @@ public:
   void AddWebRenderParentCommands(const nsTArray<WebRenderParentCommand>& aCommands);
 
   void UpdateResources(wr::IpcResourceUpdateQueue& aResources);
-  bool BeginTransaction(const  gfx::IntSize& aSize);
+  bool BeginTransaction();
   void EndTransaction(const wr::LayoutSize& aContentSize,
                       wr::BuiltDisplayList& dl,
                       wr::IpcResourceUpdateQueue& aResources,

gfx/layers/wr/WebRenderLayerManager.cpp

@@ -238,12 +238,12 @@ WebRenderLayerManager::EndTransactionWithoutLayer(nsDisplayList* aDisplayList,
   // Since we don't do repeat transactions right now, just set the time
   mAnimationReadyTime = TimeStamp::Now();
 
-  LayoutDeviceIntSize size = mWidget->GetClientSize();
-  if (!WrBridge()->BeginTransaction(size.ToUnknownSize())) {
+  if (!WrBridge()->BeginTransaction()) {
     return;
   }
   DiscardCompositorAnimations();
 
+  LayoutDeviceIntSize size = mWidget->GetClientSize();
   wr::LayoutSize contentSize { (float)size.width, (float)size.height };
   wr::DisplayListBuilder builder(WrBridge()->GetPipeline(), contentSize, mLastDisplayListSize);
   wr::IpcResourceUpdateQueue resourceUpdates(WrBridge()->GetShmemAllocator());