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

chrome/browser/tab_contents/tab_contents_delegate.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/tab_contents/tab_contents_delegate.h"
 
 void TabContentsDelegate::DetachContents(TabContents* source) {
 }
 
 TabContents* TabContentsDelegate::GetConstrainingContents(TabContents* source) {
   return source;
 }
 
 void TabContentsDelegate::ContentsMouseEvent(
     TabContents* source, const gfx::Point& location, bool motion) {
 }
 
 void TabContentsDelegate::ContentsZoomChange(bool zoom_in) { }
 
 void TabContentsDelegate::OnContentSettingsChange(TabContents* source) { }
 
 bool TabContentsDelegate::IsApplication() const { return false; }
 
 void TabContentsDelegate::ConvertContentsToApplication(TabContents* source) { }
 
-bool TabContentsDelegate::CanBlur() const { return true; }
-
 bool TabContentsDelegate::CanReloadContents(TabContents* source) const {
   return true;
 }
 
 gfx::Rect TabContentsDelegate::GetRootWindowResizerRect() const {
   return gfx::Rect();
 }
 
 void TabContentsDelegate::ShowHtmlDialog(HtmlDialogUIDelegate* delegate,
                                          gfx::NativeWindow parent_window) {
@@ skipping 112 matching lines @@
 
 bool TabContentsDelegate::ShouldEnablePreferredSizeNotifications() {
   return false;
 }
 
 void TabContentsDelegate::UpdatePreferredSize(const gfx::Size& pref_size) {
 }
 
 TabContentsDelegate::~TabContentsDelegate() {
 }