Give Chrome Web Store app an icon in its manifest file.

chrome/common/extensions/extension_file_util.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_FILE_UTIL_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_FILE_UTIL_H_
 
 #include <string>
 #include <map>
 
@@ skipping 112 matching lines @@
 // This is essentially PathService::Get(chrome::DIR_USER_DATA_TEMP, ...),
 // with a histogram that allows us to understand why it is failing.
 // Return an empty file path on failure.
 FilePath GetUserDataTempDir();
 
 // Helper function to delete files. This is used to avoid ugly casts which
 // would be necessary with PostMessage since file_util::Delete is overloaded.
 // TODO(skerner): Make a version of Delete that is not overloaded in file_util.
 void DeleteFile(const FilePath& path, bool recursive);
 
+bool IsComponentExtensionResource(const extensions::Extension* extension,
+                                  const FilePath& resource_path,
+                                  int* resource_id);
+
 }  // namespace extension_file_util
 
 #endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_FILE_UTIL_H_