Remove unneeded IconLoader::image_

chrome/browser/icon_loader_win.cc

 // Copyright (c) 2012 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/icon_loader.h"
 
 #include <windows.h>
 #include <shellapi.h>
 
 #include "base/bind.h"
+#include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/threading/thread.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/display/win/dpi.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/icon_util.h"
 #include "ui/gfx/image/image_skia.h"
 
 // static
 IconLoader::IconGroup IconLoader::GroupForFilepath(
@@ skipping 21 matching lines @@
     case IconLoader::NORMAL:
       size = 0;
       break;
     case IconLoader::LARGE:
       size = SHGFI_LARGEICON;
       break;
     default:
       NOTREACHED();
   }
 
-  image_.reset();
+  std::unique_ptr<gfx::Image> image;
 
   SHFILEINFO file_info = { 0 };
   if (SHGetFileInfo(group_.c_str(), FILE_ATTRIBUTE_NORMAL, &file_info,
                      sizeof(SHFILEINFO),
                      SHGFI_ICON | size | SHGFI_USEFILEATTRIBUTES)) {
     std::unique_ptr<SkBitmap> bitmap(
         IconUtil::CreateSkBitmapFromHICON(file_info.hIcon));
     if (bitmap.get()) {
       gfx::ImageSkia image_skia(gfx::ImageSkiaRep(*bitmap,
                                                   display::win::GetDPIScale()));
       image_skia.MakeThreadSafe();
-      image_.reset(new gfx::Image(image_skia));
+      image = base::MakeUnique<gfx::Image>(image_skia);
       DestroyIcon(file_info.hIcon);
     }
   }
 
   target_task_runner_->PostTask(
-      FROM_HERE, base::Bind(callback_, base::Passed(&image_), group_));
+      FROM_HERE, base::Bind(callback_, base::Passed(&image), group_));
   delete this;
 }