Revert of Remove code used by --disable-delegated-renderer on Mac

content/content_tests.gypi

Index: content/content_tests.gypi
diff --git a/content/content_tests.gypi b/content/content_tests.gypi
index c34c79069e109e8114226f05d07f66e748eb72a1..94bbcee802a150a491bef9bee0e0f5f11c0fa20f 100644
--- a/content/content_tests.gypi
+++ b/content/content_tests.gypi
@@ -96,6 +96,10 @@
       'browser/geolocation/mock_location_arbitrator.h',
       'browser/geolocation/mock_location_provider.cc',
       'browser/geolocation/mock_location_provider.h',
+      'browser/renderer_host/compositing_iosurface_shader_programs_mac.cc',
+      'browser/renderer_host/compositing_iosurface_shader_programs_mac.h',
+      'browser/renderer_host/compositing_iosurface_transformer_mac.cc',
+      'browser/renderer_host/compositing_iosurface_transformer_mac.h',
       'browser/renderer_host/media/mock_media_observer.cc',
       'browser/renderer_host/media/mock_media_observer.h',
       'browser/renderer_host/test/no_transport_image_transport_factory_android.cc',
@@ -543,6 +547,7 @@
         'browser/quota/quota_temporary_storage_evictor_unittest.cc',
         'browser/quota/storage_monitor_unittest.cc',
         'browser/quota/usage_tracker_unittest.cc',
+        'browser/renderer_host/compositing_iosurface_transformer_mac_unittest.cc',
         'browser/renderer_host/input/gesture_event_queue_unittest.cc',
         'browser/renderer_host/input/gesture_text_selector_unittest.cc',
         'browser/renderer_host/input/input_router_impl_unittest.cc',