Merge 88406 - Mac: Fix icons in download dom UI

chrome/browser/icon_loader.h

 // 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.
 
 #ifndef CHROME_BROWSER_ICON_LOADER_H_
 #define CHROME_BROWSER_ICON_LOADER_H_
 #pragma once
 
 #include "build/build_config.h"
 
@@ skipping 22 matching lines @@
 //
 // A facility to read a file containing an icon asynchronously in the IO
 // thread. Returns the icon in the form of an SkBitmap.
 //
 ////////////////////////////////////////////////////////////////////////////////
 class IconLoader : public base::RefCountedThreadSafe<IconLoader> {
  public:
   enum IconSize {
     SMALL = 0,  // 16x16
     NORMAL,     // 32x32
-    LARGE
+    LARGE,      // Windows: 32x32, Linux: 48x48, Mac: Unsupported
+    ALL,        // All sizes available
   };
 
   class Delegate {
    public:
     // Invoked when an icon has been read. |source| is the IconLoader. If the
     // icon has been successfully loaded, result is non-null. This method must
     // return true if it is taking ownership of the returned bitmap.
     virtual bool OnImageLoaded(IconLoader* source, gfx::Image* result) = 0;
 
    protected:
@@ skipping 31 matching lines @@
   // on the main thread.
   void ParseIcon();
   FilePath filename_;
   std::string icon_data_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(IconLoader);
 };
 
 #endif  // CHROME_BROWSER_ICON_LOADER_H_