Fix missing finalizeFrame barriers in WebGL animations

third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.h

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 607 matching lines @@
       DrawingBuffer::ChromiumImageUsage);
   void setupFlags();
 
   // CanvasRenderingContext implementation.
   bool is3d() const override { return true; }
   bool isAccelerated() const override { return true; }
   void setIsHidden(bool) override;
   bool paintRenderingResultsToCanvas(SourceDrawingBuffer) override;
   WebLayer* platformLayer() const override;
   void stop() override;
+  void finalizeFrame() override;
 
   // DrawingBuffer::Client implementation.
   bool DrawingBufferClientIsBoundForDraw() override;
   void DrawingBufferClientRestoreScissorTest() override;
   void DrawingBufferClientRestoreMaskAndClearValues() override;
   void DrawingBufferClientRestorePixelPackAlignment() override;
   void DrawingBufferClientRestoreTexture2DBinding() override;
   void DrawingBufferClientRestoreRenderbufferBinding() override;
   void DrawingBufferClientRestoreFramebufferBinding() override;
   void DrawingBufferClientRestorePixelUnpackBufferBinding() override;
@@ skipping 46 matching lines @@
   // Dispatches a context lost event once it is determined that one is needed.
   // This is used for synthetic, WEBGL_lose_context and real context losses. For
   // real ones, it's likely that there's no JavaScript on the stack, but that
   // might be dependent on how exactly the platform discovers that the context
   // was lost. For better portability we always defer the dispatch of the event.
   TaskRunnerTimer<WebGLRenderingContextBase> m_dispatchContextLostEventTimer;
   bool m_restoreAllowed;
   TaskRunnerTimer<WebGLRenderingContextBase> m_restoreTimer;
 
   bool m_markedCanvasDirty;
+  bool m_animationFrameInProgress;
 
   // List of bound VBO's. Used to maintain info about sizes for ARRAY_BUFFER and
   // stored values for ELEMENT_ARRAY_BUFFER
   TraceWrapperMember<WebGLBuffer> m_boundArrayBuffer;
 
   Member<WebGLVertexArrayObjectBase> m_defaultVertexArrayObject;
   TraceWrapperMember<WebGLVertexArrayObjectBase> m_boundVertexArrayObject;
   void setBoundVertexArrayObject(WebGLVertexArrayObjectBase*);
 
   enum VertexAttribValueType {
@@ skipping 958 matching lines @@
                   context,
                   context->is3d(),
                   context.is3d());
 
 }  // namespace blink
 
 WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS(
     blink::WebGLRenderingContextBase::TextureUnitState);
 
 #endif  // WebGLRenderingContextBase_h