Use shared D3D9 texture to transport the compositor's backing buffer to the browser...

content/content_common.gypi

Index: content/content_common.gypi
===================================================================
--- content/content_common.gypi	(revision 108480)
+++ content/content_common.gypi	(working copy)
@@ -137,6 +137,10 @@
     'common/gpu/gpu_process_launch_causes.h',
     'common/gpu/gpu_watchdog.h',
     'common/gpu/image_transport_surface.h',
+    'common/gpu/image_transport_surface.cc',
+    'common/gpu/image_transport_surface_linux.cc',
+    'common/gpu/image_transport_surface_mac.cc',
+    '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/transport_texture.cc',
@@ -264,10 +268,6 @@
       'sources!': [
         'common/process_watcher_posix.cc',
       ],
-      'sources': [
-        'common/gpu/image_transport_surface.cc',
-        'common/gpu/image_transport_surface_mac.cc',
-      ],
       'link_settings': {
         'mac_bundle_resources': [
           'common/common.sb',
@@ -290,11 +290,7 @@
         'common/gpu/x_util.h',
       ],
     }],
-    ['ui_compositor_image_transport==1', {
-      'sources': [
-        'common/gpu/image_transport_surface.cc',
-        'common/gpu/image_transport_surface_linux.cc',
-      ],
+    ['OS=="linux"', {
       'include_dirs': [
         '<(DEPTH)/third_party/angle/include',
       ],