RenderWidget::windowRect and viewRect should apply device emulation transform.

content/renderer/devtools/render_widget_screen_metrics_emulator.h

 // Copyright 2016 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.
 
 #ifndef CONTENT_RENDERER_DEVTOOLS_RENDER_WIDGET_SCREEN_METRICS_EMULATOR_H_
 #define CONTENT_RENDERER_DEVTOOLS_RENDER_WIDGET_SCREEN_METRICS_EMULATOR_H_
 
 #include <memory>
 
 #include "content/common/resize_params.h"
 #include "third_party/WebKit/public/web/WebDeviceEmulationParams.h"
 
 namespace gfx {
 class PointF;
 class Rect;
 }
 
 namespace content {
 
 class RenderWidgetScreenMetricsEmulatorDelegate;
 struct ContextMenuParams;
 
 // RenderWidgetScreenMetricsEmulator class manages screen emulation inside a
 // RenderWidget. This includes resizing, placing view on the screen at desired
 // position, changing device scale factor, and scaling down the whole
 // widget if required to fit into the browser window.
-class RenderWidgetScreenMetricsEmulator {
+class CONTENT_EXPORT RenderWidgetScreenMetricsEmulator {
  public:
   RenderWidgetScreenMetricsEmulator(
       RenderWidgetScreenMetricsEmulatorDelegate* delegate,
       const blink::WebDeviceEmulationParams& params,
       const ResizeParams& resize_params,
       const gfx::Rect& view_screen_rect,
       const gfx::Rect& window_screen_rect);
   virtual ~RenderWidgetScreenMetricsEmulator();
 
   // Scale and offset used to convert between host coordinates
@@ skipping 43 matching lines @@
   ResizeParams original_resize_params_;
   gfx::Rect original_view_screen_rect_;
   gfx::Rect original_window_screen_rect_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetScreenMetricsEmulator);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_DEVTOOLS_RENDER_WIDGET_SCREEN_METRICS_EMULATOR_H_