Refactor AcceleratedStaticBitmapImage

third_party/WebKit/Source/platform/graphics/gpu/DrawingBuffer.h

Index: third_party/WebKit/Source/platform/graphics/gpu/DrawingBuffer.h
diff --git a/third_party/WebKit/Source/platform/graphics/gpu/DrawingBuffer.h b/third_party/WebKit/Source/platform/graphics/gpu/DrawingBuffer.h
index 1010565b0dea7f2ddd81a70ab46cad78c03c8379..051892316e72b5107dbf9dec10ad4c37dffc1de6 100644
--- a/third_party/WebKit/Source/platform/graphics/gpu/DrawingBuffer.h
+++ b/third_party/WebKit/Source/platform/graphics/gpu/DrawingBuffer.h
@@ -65,6 +65,7 @@ class Extensions3DUtil;
 class StaticBitmapImage;
 class WebExternalTextureLayer;
 class WebGraphicsContext3DProvider;
+class WebGraphicsContext3DProviderWrapper;
 class WebLayer;
 
 // Manages a rendering target (framebuffer + attachment) for a canvas.  Can
@@ -424,7 +425,7 @@ class PLATFORM_EXPORT DrawingBuffer
   const PreserveDrawingBuffer m_preserveDrawingBuffer;
   const WebGLVersion m_webGLVersion;
 
-  std::unique_ptr<WebGraphicsContext3DProvider> m_contextProvider;
+  std::unique_ptr<WebGraphicsContext3DProviderWrapper> m_contextProvider;
   // Lifetime is tied to the m_contextProvider.
   gpu::gles2::GLES2Interface* m_gl;
   std::unique_ptr<Extensions3DUtil> m_extensionsUtil;