Commit instant loader when the instant page navigates away from instant URL.

chrome/browser/instant/instant_client.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_client.h"
 
 #include "chrome/common/render_messages.h"
 #include "content/public/browser/web_contents.h"
 
 InstantClient::Delegate::~Delegate() {
@@ skipping 83 matching lines @@
                         StopCapturingKeyStrokes);
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void InstantClient::RenderViewGone(base::TerminationStatus status) {
   delegate_->RenderViewGone();
 }
 
+void InstantClient::DidCommitProvisionalLoadForFrame(
+    int64 frame_id,
+    bool is_main_frame,
+    const GURL& url,
+    content::PageTransition transition_type,
+    content::RenderViewHost* render_view_host) {
+  if (!is_main_frame)
+    return;
+  delegate_->AboutToNavigateMainFrame(url);
+}
+
 void InstantClient::SetSuggestions(
     int page_id,
     const std::vector<InstantSuggestion>& suggestions) {
   if (web_contents()->IsActiveEntry(page_id))
     delegate_->SetSuggestions(suggestions);
 }
 
 void InstantClient::InstantSupportDetermined(int page_id, bool result) {
   if (web_contents()->IsActiveEntry(page_id))
     delegate_->InstantSupportDetermined(result);
 }
 
 void InstantClient::ShowInstantPreview(int page_id,
                                        InstantShownReason reason,
                                        int height,
                                        InstantSizeUnits units) {
   if (web_contents()->IsActiveEntry(page_id))
     delegate_->ShowInstantPreview(reason, height, units);
 }
 
 void InstantClient::StartCapturingKeyStrokes(int page_id) {
   if (web_contents()->IsActiveEntry(page_id))
     delegate_->StartCapturingKeyStrokes();
 }
 
 void InstantClient::StopCapturingKeyStrokes(int page_id) {
   if (web_contents()->IsActiveEntry(page_id))
     delegate_->StopCapturingKeyStrokes();
 }