Add new IPC for searchbox to pipe SearchBox NavigateContentWindow calls to the browser.

chrome/renderer/searchbox/searchbox_extension.cc

 // 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.
 
 #include "chrome/renderer/searchbox/searchbox_extension.h"
 
 #include "base/string_number_conversions.h"
 #include "base/stringprintf.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/renderer/searchbox/searchbox.h"
@@ skipping 576 matching lines @@
   if (args[0]->IsNumber()) {
     const InstantAutocompleteResult* result = SearchBox::Get(render_view)->
         GetAutocompleteResultWithId(args[0]->Uint32Value());
     if (result)
       destination_url = GURL(result->destination_url);
   } else {
     destination_url = GURL(V8ValueToUTF16(args[0]));
   }
 
   // Navigate the main frame.
-  if (destination_url.is_valid()) {
-    WebKit::WebURLRequest request(destination_url);
-    render_view->GetWebView()->mainFrame()->loadRequest(request);
-  }
+  if (destination_url.is_valid())
+    SearchBox::Get(render_view)->NavigateToURL(destination_url);
 
   return v8::Undefined();
 }
 
 // static
 v8::Handle<v8::Value> SearchBoxExtensionWrapper::SetSuggestions(
     const v8::Arguments& args) {
   content::RenderView* render_view = GetRenderView();
   if (!render_view || !args.Length()) return v8::Undefined();
 
@@ skipping 234 matching lines @@
   Dispatch(frame, kDispatchThemeAreaHeightChangeEventScript);
 }
 
 // static
 v8::Extension* SearchBoxExtension::Get() {
   return new SearchBoxExtensionWrapper(ResourceBundle::GetSharedInstance().
       GetRawDataResource(IDR_SEARCHBOX_API));
 }
 
 }  // namespace extensions_v8