StaticImageBitmap::create should return PassRefPtr<StaticImageBitmap>

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

 // 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.
 
 #include "config.h"
 #include "platform/graphics/StaticBitmapImage.h"
 
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/ImageObserver.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkImage.h"
 #include "third_party/skia/include/core/SkPaint.h"
 #include "third_party/skia/include/core/SkShader.h"
 
 namespace blink {
 
-PassRefPtr<Image> StaticBitmapImage::create(PassRefPtr<SkImage> image)
+PassRefPtr<StaticBitmapImage> StaticBitmapImage::create(PassRefPtr<SkImage> image)
 {
     if (!image)
         return nullptr;
     return adoptRef(new StaticBitmapImage(image));
 }
 
 StaticBitmapImage::StaticBitmapImage(PassRefPtr<SkImage> image) : m_image(image)
 {
     ASSERT(m_image);
 }
@@ skipping 25 matching lines @@
     ASSERT(adjustedSrcRect.width() <= m_image->width() && adjustedSrcRect.height() <= m_image->height());
 
     SkRect srcSkRect = adjustedSrcRect;
     canvas->drawImageRect(m_image.get(), srcSkRect, dstRect, &paint,
         WebCoreClampingModeToSkiaRectConstraint(clampMode));
 
     if (ImageObserver* observer = imageObserver())
         observer->didDraw(this);
 }
 
+PassRefPtr<SkImage> StaticBitmapImage::imageForCurrentFrame()
+{
+    return m_image;
+}
+
 } // namespace blink