Implementing promise-based commit for driving OffscreenCanvas animations

third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h

Index: third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h
diff --git a/third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h b/third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h
index e6a3d891690dac78be7e67d2e3f819c4864500dc..1ed2c308af28b918d176fd8a4f4d49fd7f6adb7b 100644
--- a/third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h
+++ b/third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h
@@ -166,13 +166,14 @@ class CORE_EXPORT CanvasRenderingContext
   virtual bool paint(GraphicsContext&, const IntRect&) { return false; }
 
   // OffscreenCanvas-specific methods
-  OffscreenCanvas* getOffscreenCanvas() const { return m_offscreenCanvas; }
+  OffscreenCanvas* offscreenCanvas() const { return m_offscreenCanvas; }
   virtual ImageBitmap* transferToImageBitmap(ScriptState*) { return nullptr; }
 
   bool wouldTaintOrigin(CanvasImageSource*, SecurityOrigin* = nullptr);
   void didMoveToNewDocument(Document*);
 
   void detachCanvas() { m_canvas = nullptr; }
+  void detachOffscreenCanvas() { m_offscreenCanvas = nullptr; }
 
   const CanvasContextCreationAttributes& creationAttributes() const {
     return m_creationAttributes;