NoTransportImageTransportFactory is compiled into only test targets.

content/content_browser.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_static',
     '../crypto/crypto.gyp:crypto',
     '../google_apis/google_apis.gyp:google_apis',
     '../net/net.gyp:net',
@@ skipping 1380 matching lines @@
       'browser/compositor/browser_compositor_view_mac.mm',
       'browser/compositor/browser_compositor_view_mac.h',
       'browser/compositor/browser_compositor_view_private_mac.mm',
       'browser/compositor/browser_compositor_view_private_mac.h',
       'browser/compositor/delegated_frame_host.cc',
       'browser/compositor/delegated_frame_host.h',
       'browser/compositor/gpu_process_transport_factory.cc',
       'browser/compositor/gpu_process_transport_factory.h',
       'browser/compositor/image_transport_factory.cc',
       'browser/compositor/image_transport_factory.h',
-      'browser/compositor/no_transport_image_transport_factory.cc',
-      'browser/compositor/no_transport_image_transport_factory.h',
       'browser/compositor/onscreen_display_client.cc',
       'browser/compositor/onscreen_display_client.h',
       'browser/compositor/overlay_candidate_validator_ozone.cc',
       'browser/compositor/overlay_candidate_validator_ozone.h',
       'browser/compositor/owned_mailbox.h',
       'browser/compositor/owned_mailbox.cc',
       'browser/compositor/reflector_impl.cc',
       'browser/compositor/reflector_impl.h',
       'browser/compositor/resize_lock.cc',
       'browser/compositor/resize_lock.h',
@@ skipping 179 matching lines @@
       ],
     }],
     ['OS!="ios"', {
       'dependencies': [
         '../sandbox/sandbox.gyp:sandbox',
       ],
     }],
     ['OS!="android" and OS!="ios"', {
       'dependencies': [
         'browser/tracing/tracing_resources.gyp:tracing_resources',
+        '../ui/compositor/compositor.gyp:compositor',
       ],
+      'sources': [ '<@(compositor_browser_sources)' ],
+    }, {
+      'sources/': [
+        ['exclude', '^public/browser/context_factory.h'],
+      ]
     }],
     ['OS!="ios"', {
       'dependencies': [
         '../third_party/libyuv/libyuv.gyp:libyuv',
       ],
     }],
     ['enable_webrtc==1', {
       'dependencies': [
         '../jingle/jingle.gyp:jingle_glue',
       ],
@@ skipping 167 matching lines @@
     }, {
       'sources/': [
         ['exclude', '^browser/renderer_host/render_widget_host_view_aura.cc'],
         ['exclude', '^browser/renderer_host/render_widget_host_view_aura.h'],
         ['exclude', '^browser/web_contents/touch_editable_impl_aura.cc'],
         ['exclude', '^browser/web_contents/touch_editable_impl_aura.h'],
         ['exclude', '^browser/renderer_host/ui_events_helper.cc'],
         ['exclude', '^browser/renderer_host/ui_events_helper.h'],
       ],
     }],
-    ['use_aura==1 or OS=="mac"', {
-      'dependencies': [
-        '../ui/compositor/compositor.gyp:compositor',
-      ],
-      'sources': [ '<@(compositor_browser_sources)' ],
-    }, {
-      'sources/': [
-        ['exclude', '^public/browser/context_factory.h'],
-      ]
-    }],
     ['enable_plugins==1', {
       'dependencies': [
         '../ppapi/ppapi_internal.gyp:ppapi_ipc',
         '../ppapi/ppapi_internal.gyp:ppapi_shared',
       ],
       'sources': [
         '<@(plugin_browser_sources)',
       ],
     }],
     ['enable_web_speech==1', {
@@ skipping 33 matching lines @@
       'sources': [
         'browser/media/cdm/browser_cdm_manager.cc',
         'browser/media/cdm/browser_cdm_manager.h',
         # This works on Android because enable_browser_cdms==1 on Android.
         'browser/media/media_web_contents_observer.cc',
         'browser/media/media_web_contents_observer.h',
       ],
     }],
   ],
 }