Change ui::wm::Shadow to pass ImageSkia instead of SkBitmap.

ui/compositor/layer.h

 // 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.
 
 #ifndef UI_COMPOSITOR_LAYER_H_
 #define UI_COMPOSITOR_LAYER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 10 matching lines @@
 #include "cc/layers/texture_layer_client.h"
 #include "cc/resources/texture_mailbox.h"
 #include "cc/surfaces/surface_id.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/compositor/compositor.h"
 #include "ui/compositor/layer_animation_delegate.h"
 #include "ui/compositor/layer_delegate.h"
 #include "ui/compositor/layer_type.h"
 #include "ui/gfx/geometry/rect.h"
+#include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/transform.h"
 
 class SkCanvas;
 
 namespace cc {
 class ContentLayer;
 class CopyOutputRequest;
 class DelegatedFrameProvider;
 class DelegatedRendererLayer;
 class Layer;
@@ skipping 252 matching lines @@
     return texture_layer_.get() || delegated_renderer_layer_.get() ||
            surface_layer_.get();
   }
 
   // Show a solid color instead of delegated or surface contents.
   void SetShowSolidColorContent();
 
   // Sets the layer's fill color.  May only be called for LAYER_SOLID_COLOR.
   void SetColor(SkColor color);
 
-  // Updates the nine patch layer's bitmap, aperture and border. May only be
+  // Updates the nine patch layer's image, aperture and border. May only be
   // called for LAYER_NINE_PATCH.
-  void UpdateNinePatchLayerBitmap(const SkBitmap& bitmap);
+  void UpdateNinePatchLayerImage(const gfx::ImageSkia& image);
   void UpdateNinePatchLayerAperture(const gfx::Rect& aperture);
   void UpdateNinePatchLayerBorder(const gfx::Rect& border);
 
   // Adds |invalid_rect| to the Layer's pending invalid rect and calls
   // ScheduleDraw(). Returns false if the paint request is ignored.
   bool SchedulePaint(const gfx::Rect& invalid_rect);
 
   // Schedules a redraw of the layer tree at the compositor.
   // Note that this _does not_ invalidate any region of this layer; use
   // SchedulePaint() for that.
@@ skipping 189 matching lines @@
   scoped_refptr<cc::NinePatchLayer> nine_patch_layer_;
   scoped_refptr<cc::TextureLayer> texture_layer_;
   scoped_refptr<cc::SolidColorLayer> solid_color_layer_;
   scoped_refptr<cc::DelegatedRendererLayer> delegated_renderer_layer_;
   scoped_refptr<cc::SurfaceLayer> surface_layer_;
   cc::Layer* cc_layer_;
 
   // A cached copy of |Compositor::device_scale_factor()|.
   float device_scale_factor_;
 
+  // A cached copy of the nine patch layer's image and aperture.
+  // These are required for device scale factor change.
+  gfx::ImageSkia nine_patch_layer_image_;
+  gfx::Rect nine_patch_layer_aperture_;
+
   // The mailbox used by texture_layer_.
   cc::TextureMailbox mailbox_;
 
   // The callback to release the mailbox. This is only set after
   // SetTextureMailbox is called, before we give it to the TextureLayer.
   scoped_ptr<cc::SingleReleaseCallback> mailbox_release_callback_;
 
   // The size of the frame or texture in DIP, set when SetShowDelegatedContent
   // or SetTextureMailbox was called.
   gfx::Size frame_size_in_dip_;
 
   DISALLOW_COPY_AND_ASSIGN(Layer);
 };
 
 }  // namespace ui
 
 #endif  // UI_COMPOSITOR_LAYER_H_