Enables fullscreen subtitle and media control from Blink

content/browser/android/content_video_view.cc

Index: content/browser/android/content_video_view.cc
diff --git a/content/browser/android/content_video_view.cc b/content/browser/android/content_video_view.cc
index 116e7b4d5981785cdfb1d39937ea652643bad0dd..f943bffb83be0a9ac06ee6d898d999dda2a5bba1 100644
--- a/content/browser/android/content_video_view.cc
+++ b/content/browser/android/content_video_view.cc
@@ -46,9 +46,16 @@ ContentVideoView::ContentVideoView(
     : manager_(manager) {
   DCHECK(!g_content_video_view);
   JNIEnv *env = AttachCurrentThread();
-  j_content_video_view_ = JavaObjectWeakGlobalRef(env,
-      Java_ContentVideoView_createContentVideoView(env, context.obj(),
-          reinterpret_cast<intptr_t>(this), client.obj()).obj());
+  if (CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kEnableOverlayFullscreenVideoSubtitle)) {
+    j_content_video_view_ = JavaObjectWeakGlobalRef(env,
+        Java_ContentVideoView_createContentVideoView(env, context.obj(),
+            reinterpret_cast<intptr_t>(this), client.obj()).obj());
+  } else {
+    j_content_video_view_ = JavaObjectWeakGlobalRef(env,
+        Java_ContentVideoView_createContentVideoViewLegacy(env, context.obj(),
+            reinterpret_cast<intptr_t>(this), client.obj()).obj());
+  }
   g_content_video_view = this;
 }