[Presentation API] (MR side) 1-UA: notify receiver page when receiver connection becomes available

content/browser/presentation/presentation_service_impl_unittest.cc

 // 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.
 
 #include "content/browser/presentation/presentation_service_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 128 matching lines @@
                    const SendMessageCallback& send_message_cb) override {
     SendMessageRawPtr(render_process_id, render_frame_id, session,
                       message_request.release(), send_message_cb);
   }
   MOCK_METHOD4(ListenForConnectionStateChange,
                void(int render_process_id,
                     int render_frame_id,
                     const content::PresentationSessionInfo& connection,
                     const content::PresentationConnectionStateChangedCallback&
                         state_changed_cb));
+  MOCK_METHOD1(RegisterReceiverAvailableCallback,
+               void(const content::ReceiverConnectionAvailableCallback&));
+  MOCK_METHOD3(RegisterOffscreenPresentationClient,
+               void(int render_process_id,
+                    int render_frame_id,
+                    OffscreenPresentationClient*));
 
   void set_screen_availability_listening_supported(bool value) {
     screen_availability_listening_supported_ = value;
   }
 
  private:
   bool screen_availability_listening_supported_ = true;
 };
 
 class MockPresentationServiceClient
@@ skipping 698 matching lines @@
   mock_delegate_.set_screen_availability_listening_supported(false);
   GURL url(kPresentationUrl1);
   base::RunLoop run_loop;
   EXPECT_CALL(mock_client_, OnScreenAvailabilityNotSupported(url))
       .WillOnce(InvokeWithoutArgs(&run_loop, &base::RunLoop::Quit));
   ListenForScreenAvailabilityAndWait(kPresentationUrl1, false);
   run_loop.Run();
 }
 
 }  // namespace content