Change browser/page action default icon defined in manifest to support hidpi.

chrome/common/extensions/extension_icon_set.h

 // 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.
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_ICON_SET_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_ICON_SET_H_
 
 #include <map>
 #include <string>
 
@@ skipping 26 matching lines @@
   // Gets path value of the icon found when searching for |size| using
   // |mathc_type|.
   std::string Get(int size, MatchType match_type) const;
 
   // Returns true iff the set contains the specified path.
   bool ContainsPath(const std::string& path) const;
 
   // Returns icon size if the set contains the specified path or 0 if not found.
   int GetIconSizeFromPath(const std::string& path) const;
 
+  // Populates |destination| with all icon paths contained in the set.
+  // Previous content of |*destination| will be cleared.
+  void CopyForTest(ExtensionIconSet* destination) const;

[Jeffrey Yasskin, 2012/09/17 20:18:39]

Despite the fact that this is only used in tests, Aaron and I think it should
just be a copy constructor or assignment operator on ExtensionIconSet. ...
Looking a bit more, there's no DISALLOW_COPY_AND_ASSIGN here, so you should just
be able to call the existing methods.

[tbarzic, 2012/09/17 22:06:10]

Done.

+
  private:
   IconMap map_;
 };
 
 #endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_ICON_SET_H_