Part 3/3 (RWH/IOSurface) of adding with device scale factor to transport surfaces

content/browser/renderer_host/compositing_iosurface_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_COMPOSITING_IOSURFACE_MAC_H_
 #define CONTENT_BROWSER_RENDERER_HOST_COMPOSITING_IOSURFACE_MAC_H_
 
 #include <deque>
 #include <vector>
 
@@ skipping 41 matching lines @@
 
   // Returns NULL if IOSurface support is missing or GL APIs fail. Specify in
   // |order| the desired ordering relationship of the surface to the containing
   // window.
   static CompositingIOSurfaceMac* Create(int window_number,
                                          SurfaceOrder order);
   ~CompositingIOSurfaceMac();
 
   // Set IOSurface that will be drawn on the next NSView drawRect.
   void SetIOSurface(uint64 io_surface_handle,
-                    const gfx::Size& size);
+                    const gfx::Size& size,
+                    float scale_factor);
 
   // Get the CGL renderer ID currently associated with this context.
   int GetRendererID();
 
   // Blit the IOSurface at the upper-left corner of the |view|. If |view| window
   // size is larger than the IOSurface, the remaining right and bottom edges
   // will be white. |scaleFactor| is 1 in normal views, 2 in HiDPI views.
   // |frame_subscriber| listens to this draw event and provides output buffer
   // for copying this frame into.
   void DrawIOSurface(NSView* view,
@@ skipping 35 matching lines @@
   void ClearDrawable();
 
   bool HasIOSurface() { return !!io_surface_.get(); }
 
   const gfx::Size& pixel_io_surface_size() const {
     return pixel_io_surface_size_;
   }
   // In cocoa view units / DIPs.
   const gfx::Size& io_surface_size() const { return io_surface_size_; }
 
-  void SetDeviceScaleFactor(float scale_factor);
-
   bool is_vsync_disabled() const;
 
   // Get vsync scheduling parameters.
   // |interval_numerator/interval_denominator| equates to fractional number of
   // seconds between vsyncs.
   void GetVSyncParameters(base::TimeTicks* timebase,
                           uint32* interval_numerator,
                           uint32* interval_denominator);
 
   // Returns true if asynchronous readback is supported on this system.
@@ skipping 228 matching lines @@
   uint32 vsync_interval_denominator_;
 
   bool initialized_is_intel_;
   bool is_intel_;
   GLint screen_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_COMPOSITING_IOSURFACE_MAC_H_