Media Remoting: Add browser tests.

chrome/browser/media/cast_remoting_connector.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/media/cast_remoting_connector.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/logging.h"
@@ skipping 159 matching lines @@
     return RemotingSinkCapabilities::RENDERING_ONLY;
   }
 #endif  // !defined(OS_ANDROID) && !defined(OS_IOS)
   return RemotingSinkCapabilities::NONE;
 }
 }  // namespace
 
 CastRemotingConnector::CastRemotingConnector(
     media_router::MediaRouter* router,
     const media_router::MediaSource::Id& media_source_id)
-    : media_router::MediaRoutesObserver(router),
+    : media_router::MediaRoutesObserver(router, media_source_id),
       media_source_id_(media_source_id),
       enabled_features_(GetFeatureEnabledCapabilities()),
       session_counter_(0),
       active_bridge_(nullptr),
       weak_factory_(this) {}
 
 CastRemotingConnector::~CastRemotingConnector() {
   // Assume nothing about destruction/shutdown sequence of a tab. For example,
   // it's possible the owning WebContents will be destroyed before the Mojo
   // message pipes to the RemotingBridges have been closed.
@@ skipping 313 matching lines @@
         media_router::MediaRoutesObserver::router(), route.media_route_id(),
         this));
     // TODO(miu): In the future, scan the route ID for sink capabilities
     // properties and pass these to the source in the OnSinkAvailable()
     // notification.
     for (RemotingBridge* notifyee : bridges_)
       notifyee->OnSinkAvailable(enabled_features_);
     break;
   }
 }