[Cast, Android] Reimplement ReceiverAction.CAST message for the new cast_sender.js

chrome/android/java/src/org/chromium/chrome/browser/media/router/cast/CreateRouteRequest.java

Index: chrome/android/java/src/org/chromium/chrome/browser/media/router/cast/CreateRouteRequest.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/media/router/cast/CreateRouteRequest.java b/chrome/android/java/src/org/chromium/chrome/browser/media/router/cast/CreateRouteRequest.java
index 0aebed5956734bb387c4bc05bd69ee6c4c6a9da5..4a2013404f83d94013cb47740525d92865fb5e8d 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/media/router/cast/CreateRouteRequest.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/media/router/cast/CreateRouteRequest.java
@@ -133,6 +133,30 @@ public class CreateRouteRequest implements GoogleApiClient.ConnectionCallbacks,
         mRouteProvider = routeProvider;
     }
 
+    public MediaSource getSource() {
+        return mSource;
+    }
+
+    public MediaSink getSink() {
+        return mSink;
+    }
+
+    public String getPresentationId() {
+        return mPresentationId;
+    }
+
+    public String getOrigin() {
+        return mOrigin;
+    }
+
+    public int getTabId() {
+        return mTabId;
+    }
+
+    public int getNativeRequestId() {
+        return mRequestId;
+    }
+
     /**
      * Starts the process of launching the application on the Cast device.
      * @param applicationContext application context
@@ -234,7 +258,6 @@ public class CreateRouteRequest implements GoogleApiClient.ConnectionCallbacks,
     private void reportSuccess(Cast.ApplicationConnectionResult result) {
         if (mState != STATE_LAUNCH_SUCCEEDED) throwInvalidState();
 
-        MediaRoute route = new MediaRoute(mSink.getId(), mSource.getUrn(), mPresentationId);
         CastSession session = new CastSession(
                 mApiClient,
                 result.getSessionId(),
@@ -246,7 +269,7 @@ public class CreateRouteRequest implements GoogleApiClient.ConnectionCallbacks,
                 mSource,
                 mRouteProvider);
         mCastListener.setSession(session);
-        mRouteProvider.onRouteCreated(mRequestId, route, session, mOrigin, mTabId);
+        mRouteProvider.onSessionCreated(session);
 
         terminate();
     }