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

chrome/browser/ui/browser_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/browser_instant_controller.h"
 
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/themes/theme_service.h"
@@ skipping 122 matching lines @@
 }
 
 content::WebContents* BrowserInstantController::GetActiveWebContents() const {
   return browser_->tab_strip_model()->GetActiveWebContents();
 }
 
 void BrowserInstantController::ActiveTabChanged() {
   instant_.ActiveTabChanged();
 }
 
+void BrowserInstantController::AboutToOpenURL(
+    content::WebContents* web_contents,
+    const GURL& url) {
+  if (instant_.GetPreviewContents() == web_contents)
+    instant_.InstantLoaderAboutToNavigateMainFrame(url);
+}
+
 void BrowserInstantController::SetContentHeight(int height) {
   OnThemeAreaHeightChanged(height);
 }
 
 void BrowserInstantController::UpdateThemeInfoForPreview() {
   // Update theme background info and theme area height.
   // Initialize |theme_info| if necessary.
   // |OnThemeChanged| also updates theme area height if necessary.
   if (!initialized_theme_info_)
     OnThemeChanged(ThemeServiceFactory::GetForProfile(browser_->profile()));
@@ skipping 118 matching lines @@
   // part of the image overlay should draw, 'cos the origin is top-left.
   if (!browser_->search_model()->mode().is_ntp() ||
       theme_info_.theme_id.empty() ||
       theme_info_.image_vertical_alignment == THEME_BKGRND_IMAGE_ALIGN_TOP) {
     return;
   }
   instant_.ThemeAreaHeightChanged(theme_area_height_);
 }
 
 }  // namespace chrome