Remove grow box rect support, browser part.

content/browser/renderer_host/render_widget_host_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/renderer_host/render_widget_host_impl.h"
 
 #include <math.h>
 
 #include <set>
 #include <tuple>
@@ skipping 582 matching lines @@
   // deal as RenderWidget::WasShown delays updating, so that the resize from
   // WasResized is usually processed before the renderer is painted.
   WasResized();
 }
 
 bool RenderWidgetHostImpl::GetResizeParams(ResizeParams* resize_params) {
   *resize_params = ResizeParams();
 
   GetScreenInfo(&resize_params->screen_info);
   if (delegate_) {
-    resize_params->resizer_rect = delegate_->GetRootWindowResizerRect(this);
     resize_params->is_fullscreen_granted =
         delegate_->IsFullscreenForCurrentTab();
     resize_params->display_mode = delegate_->GetDisplayMode(this);
   } else {
     resize_params->is_fullscreen_granted = false;
     resize_params->display_mode = blink::WebDisplayModeBrowser;
   }
 
   if (view_) {
     resize_params->new_size = view_->GetRequestedRendererSize();
@@ skipping 62 matching lines @@
       old_resize_params_->new_size.width() != params->new_size.width();
   if (Send(new ViewMsg_Resize(routing_id_, *params))) {
     resize_ack_pending_ = params->needs_resize_ack;
     old_resize_params_.swap(params);
   }
 
   if (delegate_)
     delegate_->RenderWidgetWasResized(this, width_changed);
 }
 
-void RenderWidgetHostImpl::ResizeRectChanged(const gfx::Rect& new_rect) {
-  Send(new ViewMsg_ChangeResizeRect(routing_id_, new_rect));
-}
-
 void RenderWidgetHostImpl::GotFocus() {
   Focus();
   if (owner_delegate_)
     owner_delegate_->RenderWidgetGotFocus();
   if (delegate_)
     delegate_->RenderWidgetGotFocus(this);
 }
 
 void RenderWidgetHostImpl::Focus() {
   is_focused_ = true;
@@ skipping 1521 matching lines @@
   return delegate_ ? delegate_->GetRootBrowserAccessibilityManager() : NULL;
 }
 
 BrowserAccessibilityManager*
     RenderWidgetHostImpl::GetOrCreateRootBrowserAccessibilityManager() {
   return delegate_ ?
       delegate_->GetOrCreateRootBrowserAccessibilityManager() : NULL;
 }
 
 }  // namespace content