Re-land r93365 - add RefCountedString

chrome/browser/ui/webui/extension_icon_source.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 "chrome/browser/ui/webui/extension_icon_source.h"
 
 #include "base/callback.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/stl_util.h"
 #include "base/string_number_conversions.h"
@@ skipping 13 matching lines @@
 #include "skia/ext/image_operations.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/codec/png_codec.h"
 #include "ui/gfx/color_utils.h"
 #include "ui/gfx/skbitmap_operations.h"
 #include "webkit/glue/image_decoder.h"
 
 namespace {
 
 scoped_refptr<RefCountedMemory> BitmapToMemory(SkBitmap* image) {
-  std::vector<unsigned char> output;
-  gfx::PNGCodec::EncodeBGRASkBitmap(*image, false, &output);
-
-  scoped_refptr<RefCountedBytes> image_bytes(new RefCountedBytes);
-  image_bytes->data.resize(output.size());
-  std::copy(output.begin(), output.end(), image_bytes->data.begin());
+  RefCountedBytes* image_bytes = new RefCountedBytes;
+  gfx::PNGCodec::EncodeBGRASkBitmap(*image, false, &image_bytes->data());
   return image_bytes;
 }
 
 void DesaturateImage(SkBitmap* image) {
   color_utils::HSL shift = {-1, 0, 0.6};
   *image = SkBitmapOperations::CreateHSLShiftedBitmap(*image, shift);
 }
 
 SkBitmap* ToBitmap(const unsigned char* data, size_t size) {
   webkit_glue::ImageDecoder decoder;
@@ skipping 271 matching lines @@
 
 void ExtensionIconSource::ClearData(int request_id) {
   std::map<int, ExtensionIconRequest*>::iterator i =
       request_map_.find(request_id);
   if (i == request_map_.end())
     return;
 
   delete i->second;
   request_map_.erase(i);
 }