Remove more non-aura windows code.

content/public/browser/web_contents_delegate.h

 // Copyright (c) 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 CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_DELEGATE_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_DELEGATE_H_
 
 #include <set>
 #include <string>
 
@@ skipping 192 matching lines @@
 
   // Sets focus to the location bar or some other place that is appropriate.
   // This is called when the tab wants to encourage user input, like for the
   // new tab page.
   virtual void SetFocusToLocationBar(bool select_all) {}
 
   // Returns whether the page should be focused when transitioning from crashed
   // to live. Default is true.
   virtual bool ShouldFocusPageAfterCrash();
 
-  // Called when a popup select is about to be displayed. The delegate can use
-  // this to disable inactive rendering for the frame in the window the select
-  // is opened within if necessary.
-  virtual void RenderWidgetShowing() {}
-
   // This is called when WebKit tells us that it is done tabbing through
   // controls on the page. Provides a way for WebContentsDelegates to handle
   // this. Returns true if the delegate successfully handled it.
   virtual bool TakeFocus(WebContents* source,
                          bool reverse);
 
   // Invoked when the page loses mouse capture.
   virtual void LostCapture() {}
 
   // Notification that |contents| has gained focus.
@@ skipping 248 matching lines @@
   // Called when |this| is no longer the WebContentsDelegate for |source|.
   void Detach(WebContents* source);
 
   // The WebContents that this is currently a delegate for.
   std::set<WebContents*> attached_contents_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_DELEGATE_H_