Make GPU back-pressure work with remote CALayers

content/content_common.gypi

 # 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.
 
 {
   'dependencies': [
     '../base/base.gyp:base',
     '../components/tracing.gyp:tracing',
     '../gpu/command_buffer/command_buffer.gyp:gles2_utils',
     '../net/net.gyp:net',
@@ skipping 283 matching lines @@
       'common/gpu/gpu_process_launch_causes.h',
       'common/gpu/gpu_result_codes.h',
       'common/gpu/gpu_surface_lookup.cc',
       'common/gpu/gpu_surface_lookup.h',
       'common/gpu/gpu_watchdog.h',
       'common/gpu/image_transport_surface.cc',
       'common/gpu/image_transport_surface.h',
       'common/gpu/image_transport_surface_android.cc',
       'common/gpu/image_transport_surface_calayer_mac.mm',
       'common/gpu/image_transport_surface_calayer_mac.h',
-      'common/gpu/image_transport_surface_fbo_mac.cc',
+      'common/gpu/image_transport_surface_fbo_mac.mm',
       'common/gpu/image_transport_surface_fbo_mac.h',
       'common/gpu/image_transport_surface_linux.cc',
       'common/gpu/image_transport_surface_mac.mm',
       'common/gpu/image_transport_surface_iosurface_mac.cc',
       'common/gpu/image_transport_surface_iosurface_mac.h',
       'common/gpu/image_transport_surface_win.cc',
       'common/gpu/media/gpu_video_decode_accelerator.cc',
       'common/gpu/media/gpu_video_decode_accelerator.h',
       'common/gpu/media/gpu_video_encode_accelerator.cc',
       'common/gpu/media/gpu_video_encode_accelerator.h',
@@ skipping 572 matching lines @@
       'defines': ['USE_SECCOMP_BPF'],
     }],
     ['use_ozone==1', {
       'dependencies': [
         '../ui/ozone/ozone.gyp:ozone',
         '../ui/ozone/gpu/ozone_gpu.gyp:ozone_gpu',
       ],
     }],
   ],
 }