Remove RenderWidgetHostView*::DidUpdateBackingStore.

content/browser/browser_plugin/browser_plugin_guest.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/browser_plugin/browser_plugin_guest.h"
 
 #include <algorithm>
 
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_util.h"
@@ skipping 1509 matching lines @@
     WebContents* source, const blink::WebGestureEvent& event) {
   return event.type == blink::WebGestureEvent::GesturePinchBegin ||
       event.type == blink::WebGestureEvent::GesturePinchUpdate ||
       event.type == blink::WebGestureEvent::GesturePinchEnd;
 }
 
 void BrowserPluginGuest::OnUpdateRect(
     const ViewHostMsg_UpdateRect_Params& params) {
   BrowserPluginMsg_UpdateRect_Params relay_params;
   relay_params.view_size = params.view_size;
-  relay_params.scale_factor = params.scale_factor;
   relay_params.is_resize_ack = ViewHostMsg_UpdateRect_Flags::is_resize_ack(
       params.flags);
   relay_params.needs_ack = false;
 
   bool size_changed = last_seen_view_size_ != params.view_size;
   gfx::Size old_size = last_seen_view_size_;
   last_seen_view_size_ = params.view_size;
 
   if ((auto_size_enabled_ || last_seen_auto_size_enabled_) &&
       size_changed && delegate_) {
@@ skipping 40 matching lines @@
     const GURL& url) {
   if (!url.is_valid()) {
     callback.Run(false);
     return;
   }
 
   delegate_->CanDownload(request_method, url, callback);
 }
 
 }  // namespace content