Send ChromeViewMsg_SearchBoxSetSuggestionToPrefetch IPC message from SearchIPCRouter.

chrome/browser/ui/search/instant_controller.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/ui/search/instant_controller.h"
 
 #include "base/metrics/histogram.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 106 matching lines @@
   if (omnibox_bounds_ == bounds)
     return;
 
   omnibox_bounds_ = bounds;
   if (instant_tab_)
     instant_tab_->sender()->SetOmniboxBounds(omnibox_bounds_);
 }
 
 void InstantController::SetSuggestionToPrefetch(
     const InstantSuggestion& suggestion) {
-  if (instant_tab_ && search_mode_.is_search())
-    instant_tab_->sender()->SetSuggestionToPrefetch(suggestion);
+  if (instant_tab_ && search_mode_.is_search()) {
+    SearchTabHelper::FromWebContents(instant_tab_->contents())->
+        SetSuggestionToPrefetch(suggestion);
+  }
 }
 
 void InstantController::ToggleVoiceSearch() {
   if (instant_tab_)
     instant_tab_->sender()->ToggleVoiceSearch();
 }
 
 void InstantController::InstantPageLoadFailed(content::WebContents* contents) {
   if (!chrome::ShouldPreferRemoteNTPOnStartup()) {
     // We only need to fall back on errors if we're showing the online page
@@ skipping 255 matching lines @@
       content::PAGE_TRANSITION_SERVER_REDIRECT,
       std::string());  // No extra headers.
   // TODO(dcblack): Remove extraneous history entry caused by 404s.
   // Note that the base case of a 204 being returned doesn't push a history
   // entry.
 }
 
 InstantService* InstantController::GetInstantService() const {
   return InstantServiceFactory::GetForProfile(profile());
 }