Mac: Clean up ifdefs in output surface

content/browser/compositor/browser_compositor_output_surface.h

Index: content/browser/compositor/browser_compositor_output_surface.h
diff --git a/content/browser/compositor/browser_compositor_output_surface.h b/content/browser/compositor/browser_compositor_output_surface.h
index e2dbb9b2f0c8f13fb179c0194f2a06007fff1d5d..60fdd3b6baaf0886c4ec2854084b5f5408847bf0 100644
--- a/content/browser/compositor/browser_compositor_output_surface.h
+++ b/content/browser/compositor/browser_compositor_output_surface.h
@@ -71,7 +71,7 @@ class CONTENT_EXPORT BrowserCompositorOutputSurface
       const gpu::GpuProcessHostedCALayerTreeParamsMac* params_mac) = 0;
 
 #if defined(OS_MACOSX)
-  virtual void SetSurfaceSuspendedForRecycle(bool suspended) = 0;
+  virtual void SetSurfaceSuspendedForRecycle(bool suspended);

[danakj, 2016/05/26 21:33:51]

why not abstract?

[ccameron, 2016/05/26 22:46:16]

I wanted to get rid of all of the #if defined(OS_MACOSX) in
GpuBrowserCompositorOutputSurface. I changed this back.

 #endif
 
   cc::SyntheticBeginFrameSource* begin_frame_source() {