Remove an unnecessary SkBitmap copy on BitmapFetcher::OnImageDecoded.

chrome/browser/bitmap_fetcher.cc

 // 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 "chrome/browser/bitmap_fetcher.h"
 
 #include "content/public/browser/browser_thread.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "net/url_request/url_request_status.h"
@@ skipping 49 matching lines @@
 void BitmapFetcher::OnURLFetchDownloadProgress(const net::URLFetcher* source,
                                                int64 current,
                                                int64 total) {
   // Do nothing here.
 }
 
 // Methods inherited from ImageDecoder::Delegate.
 
 void BitmapFetcher::OnImageDecoded(const ImageDecoder* decoder,
                                    const SkBitmap& decoded_image) {
-  // Make a copy of the bitmap which we pass back to the UI thread.
-  scoped_ptr<SkBitmap> bitmap(new SkBitmap());
-  decoded_image.deepCopyTo(bitmap.get());
-
   // Report success.
-  delegate_->OnFetchComplete(url_, bitmap.get());
+  delegate_->OnFetchComplete(url_, &decoded_image);
 }
 
 void BitmapFetcher::OnDecodeImageFailed(const ImageDecoder* decoder) {
   ReportFailure();
 }
 
 void BitmapFetcher::ReportFailure() {
   delegate_->OnFetchComplete(url_, NULL);
 }
 
 }  // namespace chrome