Remove const qualifiers from Drive/GData files to avoid compile errors on Mac buildbots

chrome/browser/chromeos/gdata/gdata_wapi_parser.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_BROWSER_CHROMEOS_GDATA_GDATA_WAPI_PARSER_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_WAPI_PARSER_H_
 
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 254 matching lines @@
 
   // Registers the mapping between JSON field names and the members in
   // this class.
   static void RegisterJSONConverter(
       base::JSONValueConverter<AppIcon>* converter);
 
   // Category of the icon.
   IconCategory category() const { return category_; }
 
   // Size in pixels of one side of the icon (icons are always square).
-  const int icon_side_length() const { return icon_side_length_; }
+  int icon_side_length() const { return icon_side_length_; }
 
   // Get a list of links available for this AppIcon.
   const ScopedVector<Link>& links() const { return links_; }
 
   // Get the icon URL from the internal list of links.  Returns the first
   // icon URL found in the list.
   GURL GetIconURL() const;
 
  private:
   // Extracts the icon category from the given string. Returns false and does
@@ skipping 446 matching lines @@
   int64 largest_changestamp_;
   ScopedVector<InstalledApp> installed_apps_;
 
   DISALLOW_COPY_AND_ASSIGN(AccountMetadataFeed);
 };
 
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_WAPI_PARSER_H_