views: Remove the implementation of about chrome dialog.

chrome/browser/ui/views/frame/browser_view.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 "chrome/browser/ui/views/frame/browser_view.h"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
@@ skipping 1093 matching lines @@
 void BrowserView::ConfirmAddSearchProvider(TemplateURL* template_url,
                                            Profile* profile) {
   chrome::EditSearchEngine(GetWidget()->GetNativeWindow(), template_url, NULL,
                            profile);
 }
 
 void BrowserView::ToggleBookmarkBar() {
   bookmark_utils::ToggleWhenVisible(browser_->profile());
 }
 
-void BrowserView::ShowAboutChromeDialog() {
-  chrome::ShowAboutChromeView(GetWidget()->GetNativeWindow(), browser_.get());
-}
-
 void BrowserView::ShowUpdateChromeDialog() {
   UpdateRecommendedMessageBox::Show(GetWidget()->GetNativeWindow());
 }
 
 void BrowserView::ShowTaskManager() {
 #if defined(USE_AURA)
   TaskManagerDialog::Show();
 #else
   chrome::ShowTaskManager();
 #endif  // defined(USE_AURA)
@@ skipping 1455 matching lines @@
   if (contents && contents->GetContentNativeView() &&
       contents->GetContentNativeView()->HasFocus()) {
     (contents->GetRenderViewHost()->*method)();
     return true;
   }
 #elif defined(OS_WIN)
   // TODO(yusukes): Support non-Aura Windows.
 #endif
   return false;
 }