Plumb display metrics into SkyView

sky/engine/core/view/View.h

 // Copyright 2015 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 SKY_ENGINE_CORE_VIEW_VIEW_H_
 #define SKY_ENGINE_CORE_VIEW_VIEW_H_
 
 #include "base/callback.h"
 #include "sky/engine/core/painting/Picture.h"
+#include "sky/engine/public/platform/sky_display_metrics.h"
 #include "sky/engine/tonic/dart_wrappable.h"
 #include "sky/engine/wtf/PassRefPtr.h"
 #include "sky/engine/wtf/RefCounted.h"
 
 namespace blink {
 
 class View : public RefCounted<View>, public DartWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     ~View() override;
     static PassRefPtr<View> create(const base::Closure& schedulePaintCallback);
 
+    double devicePixelRatio() const { return m_displayMetrics.device_pixel_ratio; }
+    double width() const;

[eseidel, 2015/05/19 21:51:53]

We're going to want a Size object.  @mpcomplete.

+    double height() const;
+
     Picture* picture() const { return m_picture.get(); }
     void setPicture(Picture* picture) { m_picture = picture; }
 
     void schedulePaint();
 
+    void setDisplayMetrics(const SkyDisplayMetrics& metrics);
+
 private:
     explicit View(const base::Closure& schedulePaintCallback);
 
     base::Closure m_schedulePaintCallback;
+    SkyDisplayMetrics m_displayMetrics;
     RefPtr<Picture> m_picture;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_VIEW_VIEW_H_