Fix high-DPI on Windows to make use of DIP scaling in WebKit.

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 <utility>
 
 #include "base/auto_reset.h"
@@ skipping 1320 matching lines @@
 void RenderWidgetHostImpl::InitializeOverscrollController() {
   overscroll_controller_.reset(new OverscrollController(this));
 }
 
 bool RenderWidgetHostImpl::IsInOverscrollGesture() const {
   return overscroll_controller_.get() &&
          overscroll_controller_->overscroll_mode() != OVERSCROLL_NONE;
 }
 
 void RenderWidgetHostImpl::GetWebScreenInfo(WebKit::WebScreenInfo* result) {
-#if defined(OS_POSIX) || defined(USE_AURA)
   if (GetView()) {
     static_cast<RenderWidgetHostViewPort*>(GetView())->GetScreenInfo(result);
   } else {
     RenderWidgetHostViewPort::GetDefaultScreenInfo(result);
   }
-#else
-  *result = WebKit::WebScreenInfoFactory::screenInfo(
-      gfx::NativeViewFromId(GetNativeViewId()));
-#endif
 }
 
 void RenderWidgetHostImpl::Destroy() {
   NotificationService::current()->Notify(
       NOTIFICATION_RENDER_WIDGET_HOST_DESTROYED,
       Source<RenderWidgetHost>(this),
       NotificationService::NoDetails());
 
   // Tell the view to die.
   // Note that in the process of the view shutting down, it can call a ton
@@ skipping 975 matching lines @@
     return;
 
   OnRenderAutoResized(new_size);
 }
 
 void RenderWidgetHostImpl::DetachDelegate() {
   delegate_ = NULL;
 }
 
 }  // namespace content