Fix ODR violation in Blink

third_party/WebKit/Source/core/html/HTMLCanvasElement.cpp

 /*
  * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alp Toker <alp@atoker.com>
  * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. 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.
@@ skipping 832 matching lines @@
   // Allocating too many GPU resources can makes us run into the driver's
   // resource limits. So we need to keep the number of texture resources
   // under tight control
   if (ImageBuffer::getGlobalAcceleratedImageBufferCount() >=
       MaxGlobalAcceleratedImageBufferCount)
     return false;
 
   return true;
 }
 
+namespace {
+
 class UnacceleratedSurfaceFactory
     : public RecordingImageBufferFallbackSurfaceFactory {
  public:
   virtual std::unique_ptr<ImageBufferSurface> createSurface(
       const IntSize& size,
       OpacityMode opacityMode,
       sk_sp<SkColorSpace> colorSpace,
       SkColorType colorType) {
     return WTF::wrapUnique(new UnacceleratedImageBufferSurface(
         size, opacityMode, InitializeImagePixels, colorSpace, colorType));
   }
 
   virtual ~UnacceleratedSurfaceFactory() {}
 };
 
+}  // namespace
+
 bool HTMLCanvasElement::shouldUseDisplayList(const IntSize& deviceSize) {
   if (m_context->colorSpace() != kLegacyCanvasColorSpace)
     return false;
 
   if (RuntimeEnabledFeatures::forceDisplayList2dCanvasEnabled())
     return true;
 
   if (!RuntimeEnabledFeatures::displayList2dCanvasEnabled())
     return false;
 
@@ skipping 524 matching lines @@
   m_surfaceLayerBridge = WTF::wrapUnique(new CanvasSurfaceLayerBridge(this));
   // Creates a placeholder layer first before Surface is created.
   m_surfaceLayerBridge->createSolidColorLayer();
 }
 
 void HTMLCanvasElement::OnWebLayerReplaced() {
   setNeedsCompositingUpdate();
 }
 
 }  // namespace blink