Remove grow box rect support, browser part.

chrome/browser/ui/views/frame/browser_view.cc

 // Copyright 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 <stdint.h>
 
 #include <algorithm>
 #include <memory>
@@ skipping 1211 matching lines @@
   if (immersive_mode_controller_->ShouldHideTopViews())
     return false;
   // It's possible to reach here before we've been notified of being added to a
   // widget, so |toolbar_| is still null.  Return false in this case so callers
   // don't assume they can access the toolbar yet.
   return (browser_->SupportsWindowFeature(Browser::FEATURE_TOOLBAR) ||
           browser_->SupportsWindowFeature(Browser::FEATURE_LOCATIONBAR)) &&
          toolbar_;
 }
 
-gfx::Rect BrowserView::GetRootWindowResizerRect() const {
-  // Views does not support resizer rects because they caused page cycler
-  // performance regressions when they were added. See crrev.com/9654
-  return gfx::Rect();
-}
-
 void BrowserView::ShowUpdateChromeDialog() {
   UpdateRecommendedMessageBox::Show(GetNativeWindow());
 }
 
 void BrowserView::ShowBookmarkBubble(const GURL& url, bool already_bookmarked) {
   toolbar_->ShowBookmarkBubble(url, already_bookmarked,
                                bookmark_bar_view_.get());
 }
 
 void BrowserView::ShowBookmarkAppBubble(
@@ skipping 1407 matching lines @@
 }
 
 extensions::ActiveTabPermissionGranter*
 BrowserView::GetActiveTabPermissionGranter() {
   content::WebContents* web_contents = GetActiveWebContents();
   if (!web_contents)
     return nullptr;
   return extensions::TabHelper::FromWebContents(web_contents)
       ->active_tab_permission_granter();
 }