Move ThemeHandler from c/c/e/api; move GetBrowserImages() out of Extension class

chrome/common/extensions/extension.h

 // Copyright (c) 2013 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_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_H_
 
 #include <algorithm>
 #include <iosfwd>
 #include <map>
@@ skipping 291 matching lines @@
 
   // Sets the active |permissions|.
   void SetActivePermissions(const PermissionSet* permissions) const;
 
   // Gets the extension's active permission set.
   scoped_refptr<const PermissionSet> GetActivePermissions() const;
 
   // Whether context menu should be shown for page and browser actions.
   bool ShowConfigureContextMenus() const;
 
-  // Returns a list of paths (relative to the extension dir) for images that
-  // the browser might load (like themes and page action icons).
-  std::set<base::FilePath> GetBrowserImages() const;
-
   // Gets the fully resolved absolute launch URL.
   GURL GetFullLaunchURL() const;
 
   // Returns true if this extension can execute script on a page. If a
   // UserScript object is passed, permission to run that specific script is
   // checked (using its matches list). Otherwise, permission to execute script
   // programmatically is checked (using the extension's host permission).
   //
   // This method is also aware of certain special pages that extensions are
   // usually not allowed to run script on.
@@ skipping 408 matching lines @@
 
   UpdatedExtensionPermissionsInfo(
       const Extension* extension,
       const PermissionSet* permissions,
       Reason reason);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_H_