Remove some unneeded DEPS from //sky

sky/engine/platform/graphics/GraphicsContext.cpp

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Google 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
@@ skipping 54 matching lines @@
     CompatibleImageBufferSurface(PassRefPtr<SkSurface> surface, const IntSize& size, OpacityMode opacityMode)
         : ImageBufferSurface(size, opacityMode)
         , m_surface(surface)
     {
     }
     virtual ~CompatibleImageBufferSurface() { }
 
     virtual SkCanvas* canvas() const override { return m_surface ? m_surface->getCanvas() : 0; }
     virtual bool isValid() const override { return m_surface; }
     virtual bool isAccelerated() const override { return isValid() && m_surface->getCanvas()->getTopDevice()->accessRenderTarget(); }
-    virtual Platform3DObject getBackingTexture() const override
-    {
-        ASSERT(isAccelerated());
-        GrRenderTarget* renderTarget = m_surface->getCanvas()->getTopDevice()->accessRenderTarget();
-        if (renderTarget) {
-            return renderTarget->asTexture()->getTextureHandle();
-        }
-        return 0;
-    };
 
 private:
     RefPtr<SkSurface> m_surface;
 };
 
 } // unnamed namespace
 
 struct GraphicsContext::CanvasSaveState {
     CanvasSaveState(bool pendingSave, int count)
         : m_pendingSave(pendingSave), m_restoreCount(count) { }
@@ skipping 1625 matching lines @@
         // FIXME: This is to not break tests (it results in the filter bitmap flag
         // being set to true). We need to decide if we respect InterpolationNone
         // being returned from computeInterpolationQuality.
         resampling = InterpolationLow;
     }
     resampling = limitInterpolationQuality(this, resampling);
     paint->setFilterQuality(static_cast<SkFilterQuality>(resampling));
 }
 
 } // namespace blink