Inject MessageLoop into Capturer

remoting/host/mock_objects.h

 // Copyright (c) 2010 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 REMOTING_HOST_MOCK_OBJECTS_H_
 #define REMOTING_HOST_MOCK_OBJECTS_H_
 
 #include "remoting/host/capturer.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace remoting {
 
 class MockCapturer : public Capturer {
  public:
-  MockCapturer() {}
+  MockCapturer() : Capturer(NULL) {}
 
   MOCK_METHOD0(ScreenConfigurationChanged, void());
   MOCK_METHOD1(InvalidateRects, void(const InvalidRects& inval_rects));
   MOCK_METHOD0(InvalidateFullScreen, void());
   MOCK_METHOD0(CalculateInvalidRects, void());
   MOCK_METHOD1(CaptureInvalidRects, void(CaptureCompletedCallback* callback));
   MOCK_METHOD2(CaptureRects, void(const InvalidRects& rects,
                                   CaptureCompletedCallback* callback));
   MOCK_CONST_METHOD0(width, int());
   MOCK_CONST_METHOD0(height, int());
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockCapturer);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_MOCK_OBJECTS_H_