Mac: Move remote layer use to GpuOutputSurfaceMac

ui/accelerated_widget_mac/accelerated_widget_mac.h

Index: ui/accelerated_widget_mac/accelerated_widget_mac.h
diff --git a/ui/accelerated_widget_mac/accelerated_widget_mac.h b/ui/accelerated_widget_mac/accelerated_widget_mac.h
index 01bb51071121aa8af8b24b655f18d2f408abc0ae..bf2ad978efd3f981f3c15c7941e395a89a87922b 100644
--- a/ui/accelerated_widget_mac/accelerated_widget_mac.h
+++ b/ui/accelerated_widget_mac/accelerated_widget_mac.h
@@ -77,33 +77,18 @@ class ACCELERATED_WIDGET_MAC_EXPORT AcceleratedWidgetMac {
   void GetVSyncParameters(
       base::TimeTicks* timebase, base::TimeDelta* interval) const;
 
-  void GotFrame(CAContextID ca_context_id,
-                bool fullscreen_low_power_ca_context_valid,
-                CAContextID fullscreen_low_power_ca_context_id,
-                base::ScopedCFTypeRef<IOSurfaceRef> io_surface,
-                const gfx::Size& pixel_size,
-                float scale_factor);
-
- private:
-  void GotCAContextFrame(CAContextID ca_context_id,
-                         bool fullscreen_low_power_ca_context_valid,
-                         CAContextID fullscreen_low_power_ca_context_id,
-                         const gfx::Size& pixel_size,
-                         float scale_factor);
-
+  static AcceleratedWidgetMac* Get(gfx::AcceleratedWidget widget);
+  void GotCALayerFrame(
+      base::scoped_nsobject<CALayer> content_layer,
+      bool fullscreen_low_power_layer_valid,
+      base::scoped_nsobject<CALayer> fullscreen_low_power_layer,
+      const gfx::Size& pixel_size,
+      float scale_factor);
   void GotIOSurfaceFrame(base::ScopedCFTypeRef<IOSurfaceRef> io_surface,
                          const gfx::Size& pixel_size,
                          float scale_factor);
 
-  // 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 DestroyLocalLayer();
-  void EnsureLocalLayer();
-
+ private:
   // The AcceleratedWidgetMacNSView that is using this as its internals.
   AcceleratedWidgetMacNSView* view_;
 
@@ -123,12 +108,12 @@ class ACCELERATED_WIDGET_MAC_EXPORT AcceleratedWidgetMac {
   // behavior.
   base::scoped_nsobject<CALayer> flipped_layer_;
 
-  // The accelerated CoreAnimation layers hosted by the GPU process.
-  base::scoped_nsobject<CALayerHost> ca_context_layer_;
-  base::scoped_nsobject<CALayerHost> fullscreen_low_power_layer_;
+  // A CALayer with content provided by the output surface.
+  base::scoped_nsobject<CALayer> content_layer_;
+  base::scoped_nsobject<CALayer> fullscreen_low_power_layer_;
 
-  // The locally drawn layer, which has its contents set to an IOSurface.
-  base::scoped_nsobject<CALayer> local_layer_;
+  // A CALayer that has its content set to an IOSurface.
+  base::scoped_nsobject<CALayer> io_surface_layer_;
 
   // The size in DIP of the last swap received from |compositor_|.
   gfx::Size last_swap_size_dip_;
@@ -138,18 +123,6 @@ class ACCELERATED_WIDGET_MAC_EXPORT AcceleratedWidgetMac {
 
 #endif  // __OBJC__
 
-ACCELERATED_WIDGET_MAC_EXPORT
-void AcceleratedWidgetMacGotFrame(
-    gfx::AcceleratedWidget widget,
-    CAContextID ca_context_id,
-    bool fullscreen_low_power_ca_context_valid,
-    CAContextID fullscreen_low_power_ca_context_id,
-    base::ScopedCFTypeRef<IOSurfaceRef> io_surface,
-    const gfx::Size& pixel_size,
-    float scale_factor,
-    base::TimeTicks* vsync_timebase,
-    base::TimeDelta* vsync_interval);
-
 }  // namespace ui
 
 #endif  // UI_ACCELERATED_WIDGET_MAC_ACCELERATED_WIDGET_MAC_H_