Eliminate implicit conversion from scoped_refptr<T> to T*

webkit/plugins/ppapi/ppb_image_data_impl.cc

 // Copyright (c) 2011 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 "webkit/plugins/ppapi/ppb_image_data_impl.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/logging.h"
@@ skipping 103 matching lines @@
 skia::PlatformCanvas* PPB_ImageData_Impl::GetPlatformCanvas() {
   return mapped_canvas_.get();
 }
 
 const SkBitmap* PPB_ImageData_Impl::GetMappedBitmap() const {
   if (!mapped_canvas_.get())
     return NULL;
   return &skia::GetTopDevice(*mapped_canvas_)->accessBitmap(false);
 }
 
-void PPB_ImageData_Impl::Swap(PPB_ImageData_Impl* other) {
+void PPB_ImageData_Impl::Swap(scoped_refptr<PPB_ImageData_Impl> other) {
   swap(other->platform_image_, platform_image_);
   swap(other->mapped_canvas_, mapped_canvas_);
   std::swap(other->format_, format_);
   std::swap(other->width_, width_);
   std::swap(other->height_, height_);
 }
 
 }  // namespace ppapi
 }  // namespace webkit