Check StaticBitmapImage has changed from Mailbox to Skia in OffscreenCanvas commit

third_party/WebKit/Source/platform/graphics/SkiaTextureHolder.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 SkiaTextureHolder_h
 #define SkiaTextureHolder_h
 
 #include "platform/PlatformExport.h"
 #include "platform/graphics/TextureHolder.h"
 
 namespace blink {
 
 class PLATFORM_EXPORT SkiaTextureHolder final : public TextureHolder {
  public:
   ~SkiaTextureHolder() override;
 
   // Methods overriding TextureHolder
-  void updateSyncToken(gpu::SyncToken) override {}
-
   bool isSkiaTextureHolder() final { return true; }
   bool isMailboxTextureHolder() final { return false; }
   unsigned sharedContextId() final;
   IntSize size() const final {
     return IntSize(m_image->width(), m_image->height());
   }
   bool currentFrameKnownToBeOpaque(Image::MetadataMode) final {
     return m_image->isOpaque();
   }
-
   sk_sp<SkImage> skImage() final { return m_image; }
   void setSharedContextId(unsigned contextId) final {
     m_sharedContextId = contextId;
   }
 
   // When creating a AcceleratedStaticBitmap from a texture-backed SkImage, this
   // function will be called to create a TextureHolder object.
   SkiaTextureHolder(sk_sp<SkImage>);
   // This function consumes the mailbox in the input parameter and turn it into
   // a texture-backed SkImage.
   SkiaTextureHolder(std::unique_ptr<TextureHolder>);
 
  private:
   void releaseImageThreadSafe();
 
   // The m_image should always be texture-backed
   sk_sp<SkImage> m_image;
   // Id of the shared context where m_image was created
   unsigned m_sharedContextId = 0;
 };
 
 }  // namespace blink
 
 #endif  // SkiaTextureHolder_h