Remove lots of old blur plumbing.

content/browser/web_contents/web_contents_impl.cc

 // 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.
 
 #include "content/browser/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 1458 matching lines @@
         base::Bind(&AddRenderWidgetHostViewToSet, base::Unretained(&set)));
   }
   return set;
 }
 
 void WebContentsImpl::Activate() {
   if (delegate_)
     delegate_->ActivateContents(this);
 }
 
-void WebContentsImpl::Deactivate() {
-  if (delegate_)
-    delegate_->DeactivateContents(this);
-}
-
 void WebContentsImpl::LostCapture() {
   if (delegate_)
     delegate_->LostCapture();
 }
 
 void WebContentsImpl::RenderWidgetDeleted(
     RenderWidgetHostImpl* render_widget_host) {
   if (is_being_destroyed_) {
     // |created_widgets_| might have been destroyed.
     return;
@@ skipping 3151 matching lines @@
   return NULL;
 }
 
 void WebContentsImpl::SetForceDisableOverscrollContent(bool force_disable) {
   force_disable_overscroll_content_ = force_disable;
   if (view_)
     view_->SetOverscrollControllerEnabled(CanOverscrollContent());
 }
 
 }  // namespace content