Adds paste function to searchbox api and handles paste event on fakebox

chrome/renderer/searchbox/searchbox.h

 // Copyright 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_RENDERER_SEARCHBOX_SEARCHBOX_H_
 #define CHROME_RENDERER_SEARCHBOX_SEARCHBOX_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 53 matching lines @@
   // and returns true.
   bool GetMostVisitedItemWithID(InstantRestrictedID most_visited_item_id,
                                 InstantMostVisitedItem* item) const;
 
   // Sends ChromeViewHostMsg_SearchBoxNavigate to the browser.
   void NavigateToURL(const GURL& url,
                      content::PageTransition transition,
                      WindowOpenDisposition disposition,
                      bool is_search_type);
 
+  // Sends ChromeViewHostMsg_SearchBoxPaste to the browser.
+  void Paste(const string16& text);
+
   const ThemeBackgroundInfo& GetThemeBackgroundInfo();
 
   // Sends ChromeViewHostMsg_SetVoiceSearchSupported to the browser.
   void SetVoiceSearchSupported(bool supported);
 
   // Sends ChromeViewHostMsg_StartCapturingKeyStrokes to the browser.
   void StartCapturingKeyStrokes();
 
   // Sends ChromeViewHostMsg_StopCapturingKeyStrokes to the browser.
   void StopCapturingKeyStrokes();
@@ skipping 50 matching lines @@
   string16 omnibox_font_;
   size_t omnibox_font_size_;
   string16 query_;
   int start_margin_;
   int width_;
 
   DISALLOW_COPY_AND_ASSIGN(SearchBox);
 };
 
 #endif  // CHROME_RENDERER_SEARCHBOX_SEARCHBOX_H_