Relanding http://codereview.chromium.org/2870050/show.

chrome/browser/renderer_host/render_view_host.cc

 // Copyright (c) 2010 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 "chrome/browser/renderer_host/render_view_host.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 617 matching lines @@
 }
 
 void RenderViewHost::GotFocus() {
   RenderWidgetHost::GotFocus();  // Notifies the renderer it got focus.
 
   RenderViewHostDelegate::View* view = delegate_->GetViewDelegate();
   if (view)
     view->GotFocus();
 }
 
-bool RenderViewHost::CanBlur() const {
-  // TODO(brettw) is seems like this function is never implemented. It and the
-  // messages leading here should be removed.
-  return delegate_->CanBlur();
-}
-
 void RenderViewHost::SetInitialFocus(bool reverse) {
   Send(new ViewMsg_SetInitialFocus(routing_id(), reverse));
 }
 
 void RenderViewHost::ClearFocusedNode() {
   Send(new ViewMsg_ClearFocusedNode(routing_id()));
 }
 
 void RenderViewHost::UpdateWebPreferences(const WebPreferences& prefs) {
   Send(new ViewMsg_UpdateWebPreferences(routing_id(), prefs));
@@ skipping 1281 matching lines @@
                                            const string16& name,
                                            const string16& display_name,
                                            unsigned long estimated_size,
                                            bool blocked_by_policy) {
   RenderViewHostDelegate::ContentSettings* content_settings_delegate =
       delegate_->GetContentSettingsDelegate();
   if (content_settings_delegate)
     content_settings_delegate->OnWebDatabaseAccessed(
         url, name, display_name, estimated_size, blocked_by_policy);
 }