Fix the linear-rgb canvas color space so that it renders

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

 /*
  * 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef ImageBufferSurface_h
 #define ImageBufferSurface_h
 
 #include "platform/PlatformExport.h"
 #include "platform/geometry/IntSize.h"
 #include "platform/graphics/GraphicsTypes.h"
 #include "third_party/khronos/GLES2/gl2.h"
+#include "third_party/skia/include/core/SkImageInfo.h"
 #include "third_party/skia/include/core/SkPaint.h"
 #include "third_party/skia/include/core/SkRefCnt.h"
 #include "wtf/Allocator.h"
 #include "wtf/Noncopyable.h"
 
 class SkBitmap;
 class SkCanvas;
 class SkColorSpace;
 class SkImage;
 struct SkImageInfo;
@@ skipping 49 matching lines @@
                            int x,
                            int y);
 
   // May return nullptr if the surface is GPU-backed and the GPU context was
   // lost.
   virtual sk_sp<SkImage> newImageSnapshot(AccelerationHint, SnapshotReason) = 0;
 
   OpacityMode getOpacityMode() const { return m_opacityMode; }
   const IntSize& size() const { return m_size; }
   const sk_sp<SkColorSpace> colorSpace() const { return m_colorSpace; }
+  SkColorType colorType() const { return m_colorType; }
   void notifyIsValidChanged(bool isValid) const;
 
  protected:
-  ImageBufferSurface(const IntSize&, OpacityMode, sk_sp<SkColorSpace>);
+  ImageBufferSurface(const IntSize&,
+                     OpacityMode,
+                     sk_sp<SkColorSpace>,
+                     SkColorType);
   void clear();
 
  private:
   OpacityMode m_opacityMode;
   IntSize m_size;
   sk_sp<SkColorSpace> m_colorSpace;
+  SkColorType m_colorType;
 };
 
 }  // namespace blink
 
 #endif