Prepare to move BrowserCompositorViewMac to ui

content/browser/compositor/browser_compositor_ca_layer_tree_mac.h

 // Copyright 2014 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_COMPOSITOR_BROWSER_COMPOSITOR_CA_LAYER_TREE_MAC_H_
 #define CONTENT_BROWSER_COMPOSITOR_BROWSER_COMPOSITOR_CA_LAYER_TREE_MAC_H_
 
 #include <IOSurface/IOSurfaceAPI.h>
 
+#include "content/browser/compositor/browser_compositor_view_mac.h"
+
+#if defined(__OBJC__)
+#include <Cocoa/Cocoa.h>
 #include "base/mac/scoped_nsobject.h"
-#include "content/browser/compositor/browser_compositor_view_mac.h"
 #include "content/browser/compositor/io_surface_layer_mac.h"
 #include "content/browser/compositor/software_layer_mac.h"
 #include "ui/base/cocoa/remote_layer_api.h"
+#endif  // __OBJC__
 
 namespace content {
 
+#if defined(__OBJC__)
+
 // BrowserCompositorCALayerTreeMac owns tree of CALayer and a ui::Compositor
 // that is used to draw the layers. The CALayer tree can be attached to the
 // NSView of a BrowserCompositorViewMac
 class BrowserCompositorCALayerTreeMac
     : public IOSurfaceLayerClient {
  public:
   BrowserCompositorCALayerTreeMac();
   virtual ~BrowserCompositorCALayerTreeMac();
   static BrowserCompositorCALayerTreeMac* FromAcceleratedWidget(
       gfx::AcceleratedWidget widget);
 
-  void SetClient(BrowserCompositorViewMacClient* client);
-  void ResetClient();
+  void SetView(BrowserCompositorViewMac* view);
+  void ResetView();
 
   ui::Compositor* compositor() const { return compositor_.get(); }
 
   // Return true if the last frame swapped has a size in DIP of |dip_size|.
   bool HasFrameOfSize(const gfx::Size& dip_size) const;
 
   // Return the CGL renderer ID for the surface, if one is available.
   int GetRendererID() const;
 
   // Return true if the renderer should not be throttled by GPU back-pressure.
@@ skipping 27 matching lines @@
   // Remove a layer from the heirarchy and destroy it. Because the accelerated
   // layer types may be replaced by a layer of the same type, the layer to
   // destroy is parameterized, and, if it is the current layer, the current
   // layer is reset.
   void DestroyCAContextLayer(
       base::scoped_nsobject<CALayerHost> ca_context_layer);
   void DestroyIOSurfaceLayer(
       base::scoped_nsobject<IOSurfaceLayer> io_surface_layer);
   void DestroySoftwareLayer();
 
-  // The client of the BrowserCompositorViewMac that is using this as its
-  // internals.
-  BrowserCompositorViewMacClient* client_;
+  // The BrowserCompositorViewMac that is using this as its internals.
+  BrowserCompositorViewMac* view_;
 
   // A phony NSView handle used to identify this.
   gfx::AcceleratedWidget native_widget_;
 
   // The compositor drawing the contents of this view.
   scoped_ptr<ui::Compositor> compositor_;
 
   // A flipped layer, which acts as the parent of the compositing and software
   // layers. This layer is flipped so that the we don't need to recompute the
   // origin for sub-layers when their position changes (this is impossible when
@@ skipping 15 matching lines @@
   // The output surface and latency info of the last accelerated surface that
   // was swapped. Sent back to the renderer when the accelerated surface is
   // drawn.
   int accelerated_output_surface_id_;
   std::vector<ui::LatencyInfo> accelerated_latency_info_;
 
   // The size in DIP of the last swap received from |compositor_|.
   gfx::Size last_swap_size_dip_;
 };
 
+#endif  // __OBJC__
+
+void BrowserCompositorCALayerTreeMacGotAcceleratedFrame(
+    gfx::AcceleratedWidget widget,
+    uint64 surface_handle, int surface_id,
+    const std::vector<ui::LatencyInfo>& latency_info,
+    gfx::Size pixel_size, float scale_factor,
+    bool* disable_throttling, int* renderer_id);
+
+void BrowserCompositorCALayerTreeMacGotSoftwareFrame(
+    gfx::AcceleratedWidget widget,
+    cc::SoftwareFrameData* frame_data, float scale_factor, SkCanvas* canvas);
+
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_COMPOSITOR_BROWSER_COMPOSITOR_CA_LAYER_TREE_MAC_H_