InstantExtended: Transient naventry for preview.

chrome/browser/instant/instant_loader.h

 // 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.
 
 #ifndef CHROME_BROWSER_INSTANT_INSTANT_LOADER_H_
 #define CHROME_BROWSER_INSTANT_INSTANT_LOADER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 10 matching lines @@
 class InstantController;
 struct ThemeBackgroundInfo;
 
 namespace chrome {
 namespace search {
 struct Mode;
 }
 }
 
 namespace content {
+class NavigationEntry;
 class WebContents;
 }
 
 namespace gfx {
 class Rect;
 }
 
 // InstantLoader is used to communicate with a preview WebContents that it owns
 // and loads the "Instant URL" into. This preview can appear and disappear at
 // will as the user types in the omnibox (compare: InstantTab, which talks to a
@@ skipping 42 matching lines @@
   }
 
   // Called by the history tab helper with information that it would have added
   // to the history service had this WebContents not been used for Instant.
   void DidNavigate(const history::HistoryAddPageArgs& add_page_args);
 
   // Returns true if the loader is using
   // InstantController::kLocalOmniboxPopupURL as the |instant_url_|.
   bool IsUsingLocalPreview() const;
 
+  const content::NavigationEntry* base_navigation_entry() const {
+    return base_navigation_entry_.get();
+  }
+
   // Calls through to methods of the same name on InstantClient.
   void Update(const string16& text,
               size_t selection_start,
               size_t selection_end,
               bool verbatim);
   void Submit(const string16& text);
   void Cancel(const string16& text);
   void SetPopupBounds(const gfx::Rect& bounds);
   void SetMarginSize(int start, int end);
   void SendAutocompleteResults(
@@ skipping 32 matching lines @@
   void ReplacePreviewContents(content::WebContents* old_contents,
                               content::WebContents* new_contents);
 
   InstantClient client_;
   InstantController* const controller_;
 
   // Delegate of the preview WebContents. Used when the user does some gesture
   // on the preview and it needs to be activated.
   scoped_ptr<WebContentsDelegateImpl> delegate_;
   scoped_ptr<content::WebContents> contents_;
+  scoped_ptr<const content::NavigationEntry> base_navigation_entry_;
 
   const std::string instant_url_;
   bool supports_instant_;
   bool is_pointer_down_from_activate_;
   history::HistoryAddPageArgs last_navigation_;
 
   // Used to get notifications about renderers coming and going.
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(InstantLoader);
 };
 
 #endif  // CHROME_BROWSER_INSTANT_INSTANT_LOADER_H_