Add a path to use CALayers to display content

content/browser/renderer_host/render_widget_host_view_mac.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 CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
 
 #import <Cocoa/Cocoa.h>
 #include <list>
 #include <map>
@@ skipping 13 matching lines @@
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCompositionUnderline.h"
 #include "ui/base/cocoa/base_view.h"
 #include "webkit/common/cursors/webcursor.h"
 
 namespace content {
 class CompositingIOSurfaceMac;
 class RenderWidgetHostViewMac;
 class RenderWidgetHostViewMacEditCommandHelper;
 }
 
+@class CompositingIOSurfaceLayer;
 @class FullscreenWindowManager;
 @protocol RenderWidgetHostViewMacDelegate;
 @class ToolTip;
 
 @protocol RenderWidgetHostViewMacOwner
 - (content::RenderWidgetHostViewMac*)renderWidgetHostViewMac;
 @end
 
 // This is the view that lives in the Cocoa view hierarchy. In Windows-land,
 // RenderWidgetHostViewWin is both the view and the delegate. We split the roles
@@ skipping 342 matching lines @@
   // value returns true for is_null() if we are not recording whiteout times.
   base::TimeTicks whiteout_start_time_;
 
   // The time it took after this view was selected for it to be fully painted.
   base::TimeTicks web_contents_switch_paint_time_;
 
   // Current text input type.
   ui::TextInputType text_input_type_;
   bool can_compose_inline_;
 
+  scoped_nsobject<CALayer> software_layer_;
+  scoped_nsobject<CompositingIOSurfaceLayer> compositing_iosurface_layer_;
   scoped_ptr<CompositingIOSurfaceMac> compositing_iosurface_;
 
   // Whether to allow overlapping views.
   bool allow_overlapping_views_;
 
+  // Whether to use the CoreAnimation path to draw content.
+  bool use_core_animation_;
+
   NSWindow* pepper_fullscreen_window() const {
     return pepper_fullscreen_window_;
   }
 
   CONTENT_EXPORT void release_pepper_fullscreen_window_for_testing();
 
   RenderWidgetHostViewMac* fullscreen_parent_host_view() const {
     return fullscreen_parent_host_view_;
   }
 
   RenderWidgetHostViewFrameSubscriber* frame_subscriber() const {
     return frame_subscriber_.get();
   }
 
   int window_number() const;
 
+  float scale_factor() const;
+
+  bool is_hidden() const { return is_hidden_; }
+
  private:
   friend class RenderWidgetHostView;
   friend class RenderWidgetHostViewMacTest;
 
   // The view will associate itself with the given widget. The native view must
   // be hooked up immediately to the view hierarchy, or else when it is
   // deleted it will delete this out from under the caller.
   explicit RenderWidgetHostViewMac(RenderWidgetHost* widget);
 
   // Returns whether this render view is a popup (autocomplete window).
   bool IsPopup() const;
 
   // Shuts down the render_widget_host_.  This is a separate function so we can
   // invoke it from the message loop.
   void ShutdownHost();
 
+  // Change this view to use CoreAnimation to draw.
+  void EnableCoreAnimation();
+
   // Called when a GPU SwapBuffers is received.
   void GotAcceleratedFrame();
   // Called when a software DIB is received.
   void GotSoftwareFrame();
 
   void OnPluginFocusChanged(bool focused, int plugin_id);
   void OnStartPluginIme();
   CONTENT_EXPORT void OnAcceleratedSurfaceSetIOSurface(
       gfx::PluginWindowHandle window,
       int32 width,
@@ skipping 51 matching lines @@
 
   // Subscriber that listens to frame presentation events.
   scoped_ptr<RenderWidgetHostViewFrameSubscriber> frame_subscriber_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewMac);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_