Use FrameIsAd to decide whether to isolate a frame in TopDocumentIsolation mode.

content/test/BUILD.gn

Index: content/test/BUILD.gn
diff --git a/content/test/BUILD.gn b/content/test/BUILD.gn
index c44a09eb3dca9575344e6fbf4ce4a3979a417718..96b0900b4a099b09f75881c864c6663687d8a4c3 100644
--- a/content/test/BUILD.gn
+++ b/content/test/BUILD.gn
@@ -252,6 +252,7 @@ static_library("test_support") {
     "//cc/ipc:interfaces",
     "//cc/surfaces",
     "//components/leveldb/public/interfaces",
+    "//components/variations",
     "//components/viz/common",
     "//components/viz/host",
     "//components/viz/service",
@@ -350,9 +351,9 @@ static_library("test_support") {
     deps += [
       "//third_party/webrtc/api:libjingle_peerconnection",
       "//third_party/webrtc/api:rtc_stats_api",
-      "//third_party/webrtc/rtc_base:rtc_base_approved",
       "//third_party/webrtc/media:rtc_media_base",
       "//third_party/webrtc/modules/video_capture",
+      "//third_party/webrtc/rtc_base:rtc_base_approved",
       "//third_party/webrtc/stats:rtc_stats",
       "//third_party/webrtc_overrides:init_webrtc",
     ]
@@ -1699,10 +1700,10 @@ test("content_unittests") {
       "//third_party/webrtc/api:rtc_stats_api",
       "//third_party/webrtc/api:video_frame_api",
       "//third_party/webrtc/api/video_codecs:video_codecs_api",
-      "//third_party/webrtc/rtc_base:rtc_base",
       "//third_party/webrtc/media:rtc_media",
       "//third_party/webrtc/modules/desktop_capture:primitives",
       "//third_party/webrtc/modules/video_capture",
+      "//third_party/webrtc/rtc_base:rtc_base",
       "//third_party/webrtc/stats:rtc_stats_test_utils",
       "//third_party/webrtc_overrides:init_webrtc",
       "//ui/shell_dialogs:shell_dialogs",