Remove lots of old blur plumbing.

components/guest_view/browser/guest_view_base.h

 // Copyright 2014 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 COMPONENTS_GUEST_VIEW_BROWSER_GUEST_VIEW_BASE_H_
 #define COMPONENTS_GUEST_VIEW_BROWSER_GUEST_VIEW_BASE_H_
 
 #include <queue>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 308 matching lines @@
   // WebContentsObserver implementation.
   void DidStopLoading() final;
   void RenderViewReady() final;
   void WebContentsDestroyed() final;
   void DidNavigateMainFrame(
       const content::LoadCommittedDetails& details,
       const content::FrameNavigateParams& params) override;
 
   // WebContentsDelegate implementation.
   void ActivateContents(content::WebContents* contents) final;
-  void DeactivateContents(content::WebContents* contents) final;
   void ContentsMouseEvent(content::WebContents* source,
                           const gfx::Point& location,
                           bool motion) override;
   void ContentsZoomChange(bool zoom_in) override;
   void HandleKeyboardEvent(
       content::WebContents* source,
       const content::NativeWebKeyboardEvent& event) override;
   void LoadingStateChanged(content::WebContents* source,
                            bool to_different_document) final;
   content::ColorChooser* OpenColorChooser(
@@ skipping 136 matching lines @@
   // This is used to ensure pending tasks will not fire after this object is
   // destroyed.
   base::WeakPtrFactory<GuestViewBase> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GuestViewBase);
 };
 
 }  // namespace guest_view
 
 #endif  // COMPONENTS_GUEST_VIEW_BROWSER_GUEST_VIEW_BASE_H_