Prerender/Instant interopability.

chrome/browser/instant/instant_loader.h

Index: chrome/browser/instant/instant_loader.h
diff --git a/chrome/browser/instant/instant_loader.h b/chrome/browser/instant/instant_loader.h
index 3aa5235bd92cf81c9304909f998d496deb39abf1..5182e2f21546042fca17a57a8a36976609bd06c5 100644
--- a/chrome/browser/instant/instant_loader.h
+++ b/chrome/browser/instant/instant_loader.h
@@ -150,6 +150,15 @@ class InstantLoader : public NotificationObserver {
   // waiting on the load and |force_if_loading| is false this does nothing.
   void SendBoundsToPage(bool force_if_loading);
 
+  // Called when the TabContentsDelegate wants to swap a new TabContentsWrapper
+  // into our |preview_contents_|.
+  void ReplacePreviewContents(TabContentsWrapper* old_tc,
+                              TabContentsWrapper* new_tc);
+
+  // Called to set up the |preview_contents_| based on |tab_contents| when it is
+  // created or replaced.
+  void SetupPreviewContents(TabContentsWrapper* tab_contents);
+
   // Creates and sets the preview TabContentsWrapper.
   void CreatePreviewContents(TabContentsWrapper* tab_contents);