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

chrome/common/render_messages.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.
 
 // Multiply-included file, no traditional include guard.
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 654 matching lines @@
 
 // Counts a mouseover event on an InstantExtended most visited tile.
 IPC_MESSAGE_ROUTED1(ChromeViewHostMsg_CountMouseover,
                     int /* page_id */)
 
 // Tells InstantExtended to set the omnibox focus state.
 IPC_MESSAGE_ROUTED2(ChromeViewHostMsg_FocusOmnibox,
                     int /* page_id */,
                     OmniboxFocusState /* state */)
 
+// Tells InstantExtended to paste text into the omnibox.  If text is empty,
+// the clipboard contents will be pasted. This causes the omnibox dropdown to
+// open.
+IPC_MESSAGE_ROUTED2(ChromeViewHostMsg_PasteAndOpenDropdown,
+                    int /* page_id */,
+                    string16 /* text to be pasted */)
+
 // Tells InstantExtended whether the embedded search API is supported.
 // See http://dev.chromium.org/embeddedsearch
 IPC_MESSAGE_ROUTED2(ChromeViewHostMsg_InstantSupportDetermined,
                     int /* page_id */,
                     bool /* result */)
 
 // Tells InstantExtended to delete a most visited item.
 IPC_MESSAGE_ROUTED2(ChromeViewHostMsg_SearchBoxDeleteMostVisitedItem,
                     int /* page_id */,
                     GURL /* url */)
@@ skipping 13 matching lines @@
 
 // Tells InstantExtended to undo one most visited item deletion.
 IPC_MESSAGE_ROUTED2(ChromeViewHostMsg_SearchBoxUndoMostVisitedDeletion,
                     int /* page_id */,
                     GURL /* url */)
 
 // Tells InstantExtended whether the page supports voice search.
 IPC_MESSAGE_ROUTED2(ChromeViewHostMsg_SetVoiceSearchSupported,
                     int /* page_id */,
                     bool /* supported */)