InstantExtended: Remove overlay control code.

chrome/browser/ui/browser_instant_controller.h

Index: chrome/browser/ui/browser_instant_controller.h
diff --git a/chrome/browser/ui/browser_instant_controller.h b/chrome/browser/ui/browser_instant_controller.h
index a7ecae98b53e562ba8dda239a84c9bbd3af4451f..24a849d2ffa3befb74245bb67b8e6de5494c42e0 100644
--- a/chrome/browser/ui/browser_instant_controller.h
+++ b/chrome/browser/ui/browser_instant_controller.h
@@ -55,27 +55,11 @@ class BrowserInstantController : public SearchModelObserver {
   // this BrowserInstantController.
   InstantController* instant() { return &instant_; }
 
-  // Invoked by |instant_| to commit the |overlay| by merging it into the active
-  // tab or adding it as a new tab.
-  void CommitInstant(scoped_ptr<content::WebContents> overlay, bool in_new_tab);
-
-  // Invoked by |instant_| to autocomplete the |suggestion| into the omnibox.
-  void SetInstantSuggestion(const InstantSuggestion& suggestion);
-
-  // Invoked by |instant_| to get the bounds that the overlay is placed at,
-  // in screen coordinates.
-  gfx::Rect GetInstantBounds();
-
-  // Invoked by |instant_| to notify that the overlay gained focus, usually due
-  // to the user clicking on it.
-  void InstantOverlayFocused();
-
   // Invoked by |instant_| to give the omnibox focus, with the option of making
   // the caret invisible.
   void FocusOmnibox(bool caret_visibility);
 
-  // Invoked by |instant_| to get the currently active tab, over which the
-  // overlay would be shown.
+  // Invoked by |instant_| to get the currently active tab.
   content::WebContents* GetActiveWebContents() const;
 
   // Invoked by |browser_| when the active tab changes.