[Presentation API] Change ListenForSessionMessages API to client-style.

chrome/browser/media/router/test_helper.h

 // Copyright 2015 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.
 
 #ifndef CHROME_BROWSER_MEDIA_ROUTER_TEST_HELPER_H_
 #define CHROME_BROWSER_MEDIA_ROUTER_TEST_HELPER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 96 matching lines @@
   void SendRouteBinaryMessage(
       const mojo::String& media_route_id,
       mojo::Array<uint8> data,
       const SendRouteMessageCallback& callback) override {
     SendRouteBinaryMessageInternal(media_route_id, data.storage(), callback);
   }
   MOCK_METHOD3(SendRouteBinaryMessageInternal,
                void(const mojo::String& media_route_id,
                     const std::vector<uint8>& data,
                     const SendRouteMessageCallback& callback));
-  void ListenForRouteMessages(mojo::Array<mojo::String> route_ids,
-                              const ListenForRouteMessagesCallback& callback) {
-    ListenForRouteMessagesInteral(route_ids.storage(), callback);
-  }
-  MOCK_METHOD2(ListenForRouteMessagesInteral,
-               void(const std::vector<mojo::String>& route_ids,
+  MOCK_METHOD2(ListenForRouteMessages,
+               void(const mojo::String& route_id,
                     const ListenForRouteMessagesCallback& callback));
   MOCK_METHOD1(ClearIssue, void(const mojo::String& issue_id));
   MOCK_METHOD0(StartObservingMediaRoutes, void());
   MOCK_METHOD0(StopObservingMediaRoutes, void());
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockMediaRouteProvider);
 };
 
 class MockMediaSinksObserver : public MediaSinksObserver {
@@ skipping 19 matching lines @@
 
   MOCK_METHOD1(IsEventPageSuspended, bool(const std::string& extension_id));
   MOCK_METHOD2(WakeEventPage,
                bool(const std::string& extension_id,
                     const base::Callback<void(bool)>& callback));
 };
 
 }  // namespace media_router
 
 #endif  // CHROME_BROWSER_MEDIA_ROUTER_TEST_HELPER_H_