Fix ODR violation in Blink

third_party/WebKit/Source/platform/graphics/ImageBuffer.cpp

 /*
  * Copyright (c) 2008, Google Inc. All rights reserved.
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * 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:
  *
  *     * Redistributions of source code must retain the above copyright
@@ skipping 477 matching lines @@
   } else if (m_gpuMemoryUsage) {
     // In case of switching from accelerated to non-accelerated mode,
     // the GPU memory usage needs to be updated too.
     DCHECK_GT(s_globalAcceleratedImageBufferCount, 0u);
     s_globalAcceleratedImageBufferCount--;
     s_globalGPUMemoryUsage -= m_gpuMemoryUsage;
     m_gpuMemoryUsage = 0;
   }
 }
 
+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, std::move(colorSpace),
         colorType));
   }
 
   virtual ~UnacceleratedSurfaceFactory() {}
 };
 
+}  // namespace
+
 void ImageBuffer::disableAcceleration() {
   if (!isAccelerated())
     return;
 
   sk_sp<SkImage> image =
       m_surface->newImageSnapshot(PreferNoAcceleration, SnapshotReasonPaint);
   // Using a GPU-backed image with RecordingImageBufferSurface
   // will fail at playback time.
   image = image->makeNonTextureImage();
 
@@ skipping 39 matching lines @@
   ASSERT(MIMETypeRegistry::isSupportedImageMIMETypeForEncoding(mimeType));
 
   Vector<unsigned char> result;
   if (!encodeImage(mimeType, quality, &result))
     return "data:,";
 
   return "data:" + mimeType + ";base64," + base64Encode(result);
 }
 
 }  // namespace blink