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

chrome/browser/instant/instant_loader.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/browser/instant/instant_loader.h"
 
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/extensions/api/web_navigation/web_navigation_api.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
 #include "chrome/browser/history/history_tab_helper.h"
@@ skipping 300 matching lines @@
 }
 
 void InstantLoader::RenderViewGone() {
   controller_->InstantLoaderRenderViewGone();
 }
 
 void InstantLoader::AboutToNavigateMainFrame(const GURL& url) {
   controller_->InstantLoaderAboutToNavigateMainFrame(url);
 }
 
+void InstantLoader::NavigateToURL(const GURL& url,
+                                  content::PageTransition transition) {
+  InstantSupportDetermined(true);
+  controller_->NavigateToURL(url, transition);
+}
+
 void InstantLoader::Observe(int type,
                             const content::NotificationSource& source,
                             const content::NotificationDetails& details) {
 #if defined(OS_MACOSX)
   if (type == content::NOTIFICATION_RENDER_VIEW_HOST_CHANGED) {
     if (content::RenderWidgetHostView* rwhv =
             contents_->GetRenderWidgetHostView())
       rwhv->SetTakesFocusOnlyOnMouseDown(true);
     return;
   }
@@ skipping 82 matching lines @@
                                            content::WebContents* new_contents) {
   DCHECK_EQ(old_contents, contents());
   CleanupPreviewContents();
   // We release here without deleting so that the caller still has the
   // responsibility for deleting the WebContents.
   ignore_result(contents_.release());
   contents_.reset(new_contents);
   SetupPreviewContents();
   controller_->SwappedWebContents();
 }