Make Mac swap code like other platforms

gpu/ipc/service/gpu_channel_manager_delegate.h

Index: gpu/ipc/service/gpu_channel_manager_delegate.h
diff --git a/gpu/ipc/service/gpu_channel_manager_delegate.h b/gpu/ipc/service/gpu_channel_manager_delegate.h
index 7cd320e4db3656ad1e2bae48b8e0fe462a40eccb..3e9da6b93ed45243c52b1d93c8b9e95b4b705ea6 100644
--- a/gpu/ipc/service/gpu_channel_manager_delegate.h
+++ b/gpu/ipc/service/gpu_channel_manager_delegate.h
@@ -8,12 +8,6 @@
 #include "gpu/command_buffer/common/constants.h"
 #include "gpu/ipc/common/surface_handle.h"
 
-#if defined(OS_MACOSX)
-#include "ui/base/cocoa/remote_layer_api.h"
-#include "ui/events/latency_info.h"
-#include "ui/gfx/mac/io_surface.h"
-#endif
-
 class GURL;
 
 namespace IPC {
@@ -52,19 +46,6 @@ class GpuChannelManagerDelegate {
                                  const std::string& key,
                                  const std::string& shader) = 0;
 
-#if defined(OS_MACOSX)
-  // Tells the delegate that an accelerated surface has swapped.
-  virtual void SendAcceleratedSurfaceBuffersSwapped(
-      gpu::SurfaceHandle surface_handle,
-      CAContextID ca_context_id,
-      bool fullscreen_low_power_ca_context_valid,
-      CAContextID fullscreen_low_power_ca_context_id,
-      const gfx::ScopedRefCountedIOSurfaceMachPort& io_surface,
-      const gfx::Size& size,
-      float scale_factor,
-      std::vector<ui::LatencyInfo> latency_info) = 0;
-#endif
-
 #if defined(OS_WIN)
   virtual void SendAcceleratedSurfaceCreatedChildWindow(
       SurfaceHandle parent_window,