Replaced PassRefPtr copies with moves in Source/core.

third_party/WebKit/Source/core/frame/ImageBitmap.cpp

 // Copyright 2013 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 "core/frame/ImageBitmap.h"
 
 #include "core/html/HTMLCanvasElement.h"
 #include "core/html/HTMLVideoElement.h"
 #include "core/html/ImageData.h"
 #include "platform/graphics/skia/SkiaUtils.h"
@@ skipping 606 matching lines @@
     return new ImageBitmap(data, cropRect, options);
 }
 
 ImageBitmap* ImageBitmap::create(ImageBitmap* bitmap, Optional<IntRect> cropRect, const ImageBitmapOptions& options)
 {
     return new ImageBitmap(bitmap, cropRect, options);
 }
 
 ImageBitmap* ImageBitmap::create(PassRefPtr<StaticBitmapImage> image, Optional<IntRect> cropRect, const ImageBitmapOptions& options)
 {
-    return new ImageBitmap(image, cropRect, options);
+    return new ImageBitmap(std::move(image), cropRect, options);
 }
 
 ImageBitmap* ImageBitmap::create(PassRefPtr<StaticBitmapImage> image)
 {
-    return new ImageBitmap(image);
+    return new ImageBitmap(std::move(image));
 }
 
 ImageBitmap* ImageBitmap::create(std::unique_ptr<uint8_t[]> data, uint32_t width, uint32_t height, bool isImageBitmapPremultiplied, bool isImageBitmapOriginClean)
 {
     return new ImageBitmap(std::move(data), width, height, isImageBitmapPremultiplied, isImageBitmapOriginClean);
 }
 
 void ImageBitmap::close()
 {
     if (!m_image || m_isNeutered)
@@ skipping 67 matching lines @@
 FloatSize ImageBitmap::elementSize(const FloatSize&) const
 {
     return FloatSize(width(), height());
 }
 
 DEFINE_TRACE(ImageBitmap)
 {
 }
 
 } // namespace blink