Streamline the presentation of ImageBitmapRenderingContext

third_party/WebKit/Source/platform/graphics/AcceleratedStaticBitmapImage.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef AcceleratedStaticBitmapImage_h
 #define AcceleratedStaticBitmapImage_h
 
 #include "base/threading/thread_checker.h"
 #include "platform/graphics/StaticBitmapImage.h"
 #include "platform/graphics/TextureHolder.h"
@@ skipping 37 matching lines @@
             RespectImageOrientationEnum,
             ImageClampingMode) override;
 
   void copyToTexture(WebGraphicsContext3DProvider*,
                      GLuint destTextureId,
                      GLenum destInternalFormat,
                      GLenum destType,
                      bool flipY) override;
 
   bool hasMailbox() final { return m_textureHolder->isMailboxTextureHolder(); }
+  bool isAccelerated() final { return true; }

[xlai (Olivia), 2017/03/24 19:12:42]

You don't need to add this function. isTextureBacked() is doing the same thing.

   // To be called on sender thread before performing a transfer
   void transfer() final;
 
   void ensureMailbox() final;
   gpu::Mailbox mailbox() final { return m_textureHolder->mailbox(); }
   gpu::SyncToken syncToken() final { return m_textureHolder->syncToken(); }
   void updateSyncToken(gpu::SyncToken) final;
 
  private:
   AcceleratedStaticBitmapImage(sk_sp<SkImage>);
@@ skipping 10 matching lines @@
 
   std::unique_ptr<TextureHolder> m_textureHolder;
 
   base::ThreadChecker m_threadChecker;
   bool m_detachThreadAtNextCheck = false;
 };
 
 }  // namespace blink
 
 #endif