Update browser actions api to be like new design doc.

chrome/browser/extensions/extension_browser_actions_api.h

 // Copyright (c) 2009 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_EXTENSIONS_EXTENSION_BROWSER_ACTIONS_API_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_BROWSER_ACTIONS_API_H_
 
 #include "chrome/browser/extensions/extension_function.h"
 
-class BrowserActionSetNameFunction : public SyncExtensionFunction {
+class BrowserActionSetIconFunction : public SyncExtensionFunction {
   virtual bool RunImpl();
   DECLARE_EXTENSION_FUNCTION_NAME("browserAction.setName")
 };
 
-class BrowserActionSetIconFunction : public SyncExtensionFunction {
+class BrowserActionSetTitleFunction : public SyncExtensionFunction {
   virtual bool RunImpl();
   DECLARE_EXTENSION_FUNCTION_NAME("browserAction.setIcon")
 };
 
 class BrowserActionSetBadgeTextFunction : public SyncExtensionFunction {
   virtual bool RunImpl();
   DECLARE_EXTENSION_FUNCTION_NAME("browserAction.setBadgeText")
 };
 
 class BrowserActionSetBadgeBackgroundColorFunction
     : public SyncExtensionFunction {
   virtual bool RunImpl();
   DECLARE_EXTENSION_FUNCTION_NAME("browserAction.setBadgeBackgroundColor")
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_BROWSER_ACTIONS_API_H_