HiDPI: Scale viewport for pepper flash fullscreen

content/renderer/render_widget_fullscreen.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/renderer/render_widget_fullscreen.h"
 
 #include "content/common/view_messages.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebWidget.h"
 
 using WebKit::WebWidget;
 
 // static
 RenderWidgetFullscreen* RenderWidgetFullscreen::Create(int32 opener_id) {
   DCHECK_NE(MSG_ROUTING_NONE, opener_id);
   scoped_refptr<RenderWidgetFullscreen> widget(
-      new RenderWidgetFullscreen());
+      new RenderWidgetFullscreen(WebKit::WebScreenInfo()));
   widget->Init(opener_id);
   return widget.release();
 }
 
 void RenderWidgetFullscreen::show(WebKit::WebNavigationPolicy) {
   DCHECK(!did_show_) << "received extraneous Show call";
   DCHECK_NE(MSG_ROUTING_NONE, routing_id_);
   DCHECK_NE(MSG_ROUTING_NONE, opener_id_);
 
   if (!did_show_) {
     did_show_ = true;
     Send(new ViewHostMsg_ShowFullscreenWidget(opener_id_, routing_id_));
     SetPendingWindowRect(initial_pos_);
   }
 }
 
-RenderWidgetFullscreen::RenderWidgetFullscreen()
-    : RenderWidget(WebKit::WebPopupTypeNone, WebKit::WebScreenInfo(), false) {
+RenderWidgetFullscreen::RenderWidgetFullscreen(
+    const WebKit::WebScreenInfo& screen_info)
+    : RenderWidget(WebKit::WebPopupTypeNone, screen_info, false) {
 }
 
 RenderWidgetFullscreen::~RenderWidgetFullscreen() {}
 
 WebWidget* RenderWidgetFullscreen::CreateWebWidget() {
   // TODO(boliu): Handle full screen render widgets here.
   return RenderWidget::CreateWebWidget(this);
 }
 
 void RenderWidgetFullscreen::Init(int32 opener_id) {
   DCHECK(!webwidget_);
 
   RenderWidget::DoInit(
       opener_id,
       CreateWebWidget(),
       new ViewHostMsg_CreateFullscreenWidget(
           opener_id, &routing_id_, &surface_id_));
 }