[MediaRouter] The minimal change to make everything build on Android.

chrome/chrome_tests_unit.gypi

Index: chrome/chrome_tests_unit.gypi
diff --git a/chrome/chrome_tests_unit.gypi b/chrome/chrome_tests_unit.gypi
index 795f7c1d40969700fa32e20a1c5e04869f2f01bd..bdb458553fe3fce5feea6142164a7e841279ab3c 100644
--- a/chrome/chrome_tests_unit.gypi
+++ b/chrome/chrome_tests_unit.gypi
@@ -1466,16 +1466,18 @@
       'browser/media/router/issue_manager_unittest.cc',
       'browser/media/router/issue_unittest.cc',
       'browser/media/router/media_route_unittest.cc',
-      'browser/media/router/media_router_mojo_impl_unittest.cc',
-      'browser/media/router/media_router_type_converters_unittest.cc',
       'browser/media/router/media_sink_unittest.cc',
       'browser/media/router/media_source_helper_unittest.cc',
       'browser/media/router/media_source_unittest.cc',
       'browser/media/router/presentation_media_sinks_observer_unittest.cc',
       'browser/media/router/presentation_service_delegate_impl_unittest.cc',
-      'browser/media/router/presentation_session_state_observer_unittest.cc',      
+      'browser/media/router/presentation_session_state_observer_unittest.cc',
+    ],
+    'chrome_unit_tests_media_router_non_android_sources': [
+      'browser/media/router/media_router_mojo_impl_unittest.cc',
+      'browser/media/router/media_router_type_converters_unittest.cc',
       'browser/ui/webui/media_router/media_cast_mode_unittest.cc',
-      'browser/ui/webui/media_router/media_router_dialog_controller_unittest.cc',
+      'browser/ui/webui/media_router/media_router_dialog_controller_impl_unittest.cc',
       'browser/ui/webui/media_router/media_router_test.cc',
       'browser/ui/webui/media_router/media_router_test.h',
       'browser/ui/webui/media_router/media_router_webui_message_handler_unittest.cc',
@@ -2157,6 +2159,11 @@
           'dependencies': [
             'browser/media/router/media_router.gyp:media_router_test_support',
           ],
+          'conditions': [
+            ['OS!="android"', {
+              'sources': [ '<@(chrome_unit_tests_media_router_non_android_sources)' ],
+            }],
+          ],
         }],
         ['use_ash==1', {
           'sources': [ '<@(chrome_test_support_unit_ash_sources)' ],