Upstream Chrome for Android Cast.

chrome/app/android/chrome_main_delegate_android.cc

Index: chrome/app/android/chrome_main_delegate_android.cc
diff --git a/chrome/app/android/chrome_main_delegate_android.cc b/chrome/app/android/chrome_main_delegate_android.cc
index e0bd8e477784665ad0489d79f5a16572d5b0d38c..f1c5e5c99e3488f694a250619d96ca609988a72c 100644
--- a/chrome/app/android/chrome_main_delegate_android.cc
+++ b/chrome/app/android/chrome_main_delegate_android.cc
@@ -8,8 +8,10 @@
 #include "base/trace_event/trace_event.h"
 #include "chrome/browser/android/chrome_jni_registrar.h"
 #include "chrome/browser/android/chrome_startup_flags.h"
+#include "chrome/browser/media/android/remote/remote_media_player_manager.h"
 #include "chrome/browser/android/uma_utils.h"
 #include "components/startup_metric_utils/startup_metric_utils.h"
+#include "content/browser/media/android/browser_media_player_manager.h"
 #include "content/public/browser/browser_main_runner.h"
 
 // ChromeMainDelegateAndroid is created when the library is loaded. It is always
@@ -20,6 +22,10 @@ ChromeMainDelegateAndroid::ChromeMainDelegateAndroid() {
 
 ChromeMainDelegateAndroid::~ChromeMainDelegateAndroid() {
 }
+static content::BrowserMediaPlayerManager* CreateRemoteMediaPlayerManager(
+  content::RenderFrameHost* render_frame_host) {
+  return new remote_media::RemoteMediaPlayerManager(render_frame_host);
+}
 
 void ChromeMainDelegateAndroid::SandboxInitialized(
     const std::string& process_type) {
@@ -53,6 +59,10 @@ int ChromeMainDelegateAndroid::RunProcess(
 
 bool ChromeMainDelegateAndroid::BasicStartupComplete(int* exit_code) {
   SetChromeSpecificCommandLineFlags();
+
+  content::BrowserMediaPlayerManager::RegisterFactory(
+      &CreateRemoteMediaPlayerManager);
+
   return ChromeMainDelegate::BasicStartupComplete(exit_code);
 }