Make Image RefCounted

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef StaticBitmapImage_h
 #define StaticBitmapImage_h
 
 #include "gpu/command_buffer/common/mailbox.h"
 #include "gpu/command_buffer/common/sync_token.h"
+#include "platform/CrossThreadCopier.h"
 #include "platform/graphics/Image.h"
 #include "third_party/khronos/GLES2/gl2.h"
 #include "third_party/skia/include/core/SkRefCnt.h"
 
 namespace blink {
 
 class WebGraphicsContext3DProvider;
 
 class PLATFORM_EXPORT StaticBitmapImage : public Image {
  public:
@@ skipping 55 matching lines @@
                   const PaintImage&);
 
   // These two properties are here because the SkImage API doesn't expose the
   // info. They applied to both UnacceleratedStaticBitmapImage and
   // AcceleratedStaticBitmapImage. To change these two properties, the call
   // site would have to call the API setOriginClean() and setPremultiplied().
   bool is_origin_clean_ = true;
   bool is_premultiplied_ = true;
 };
 
+template <>
+struct CrossThreadCopier<RefPtr<StaticBitmapImage>> {
+  typedef RefPtr<StaticBitmapImage> Type;
+  static Type Copy(RefPtr<StaticBitmapImage> image) {
+    if (image) {
+      CHECK(image->HasOneRef());
+      image->Transfer();
+    }
+    return image;
+  }
+};
+
 }  // namespace blink
 
 #endif