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

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

Index: third_party/WebKit/Source/platform/graphics/ImageBufferSurface.h
diff --git a/third_party/WebKit/Source/platform/graphics/ImageBufferSurface.h b/third_party/WebKit/Source/platform/graphics/ImageBufferSurface.h
index 1c13f51c25d6df779ccf341d58e42af84ed64715..5e41d14443d8c8cfee421dfc32959a1a1ea56480 100644
--- a/third_party/WebKit/Source/platform/graphics/ImageBufferSurface.h
+++ b/third_party/WebKit/Source/platform/graphics/ImageBufferSurface.h
@@ -35,6 +35,7 @@
 #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"
@@ -104,16 +105,21 @@ class PLATFORM_EXPORT ImageBufferSurface {
   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