MediaCaptureFromElement: add content_browsertests

content/content_tests.gypi

Index: content/content_tests.gypi
diff --git a/content/content_tests.gypi b/content/content_tests.gypi
index 5b89362cb04cf2528635190edc8d3b6a2f6fe7d7..58bafb4d5ed3e9686d19dea09880a5c8b6c14bc0 100644
--- a/content/content_tests.gypi
+++ b/content/content_tests.gypi
@@ -314,7 +314,7 @@
     'content_browsertests_webrtc_sources': [
       'browser/media/webrtc/webrtc_audio_debug_recordings_browsertest.cc',
       'browser/media/webrtc/webrtc_browsertest.cc',
-      'browser/media/webrtc/webrtc_canvas_capture_browsertest.cc',
+      'browser/media/webrtc/webrtc_capture_from_element_browsertest.cc',
       'browser/media/webrtc/webrtc_datachannel_browsertest.cc',
       'browser/media/webrtc/webrtc_getusermedia_browsertest.cc',
       'browser/media/webrtc/webrtc_internals_browsertest.cc',
@@ -468,8 +468,8 @@
       'browser/fileapi/timed_task_helper_unittest.cc',
       'browser/fileapi/transient_file_util_unittest.cc',
       'browser/fileapi/upload_file_system_file_element_reader_unittest.cc',
-      'browser/frame_host/frame_tree_unittest.cc',
       'browser/frame_host/frame_tree_node_blame_context_unittest.cc',
+      'browser/frame_host/frame_tree_unittest.cc',
       'browser/frame_host/navigation_controller_impl_unittest.cc',
       'browser/frame_host/navigation_entry_impl_unittest.cc',
       'browser/frame_host/navigation_handle_impl_unittest.cc',
@@ -610,9 +610,9 @@
       'browser/service_worker/embedded_worker_test_helper.h',
       'browser/service_worker/link_header_support_unittest.cc',
       'browser/service_worker/service_worker_cache_writer_unittest.cc',
+      'browser/service_worker/service_worker_context_core_unittest.cc',
       'browser/service_worker/service_worker_context_request_handler_unittest.cc',
       'browser/service_worker/service_worker_context_unittest.cc',
-      'browser/service_worker/service_worker_context_core_unittest.cc',
       'browser/service_worker/service_worker_controllee_request_handler_unittest.cc',
       'browser/service_worker/service_worker_database_unittest.cc',
       'browser/service_worker/service_worker_dispatcher_host_unittest.cc',
@@ -716,6 +716,7 @@
       'renderer/android/email_detector_unittest.cc',
       'renderer/android/phone_number_detector_unittest.cc',
       'renderer/bmp_image_decoder_unittest.cc',
+      'renderer/categorized_worker_pool_unittest.cc',
       'renderer/device_sensors/device_light_event_pump_unittest.cc',
       'renderer/device_sensors/device_motion_event_pump_unittest.cc',
       'renderer/device_sensors/device_orientation_event_pump_unittest.cc',
@@ -744,7 +745,6 @@
       'renderer/media/video_capture_message_filter_unittest.cc',
       'renderer/media/webmediaplayer_ms_unittest.cc',
       'renderer/peripheral_content_heuristic_unittest.cc',
-      'renderer/categorized_worker_pool_unittest.cc',
       'renderer/render_thread_impl_unittest.cc',
       'renderer/render_widget_unittest.cc',
       'renderer/scheduler/resource_dispatch_throttler_unittest.cc',