Use webrtc::DesktopCapturer for screen capturer implementation.

media/video/capture/screen/screen_capturer_mock_objects.cc

 // Copyright (c) 2012 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 "media/video/capture/screen/screen_capturer_mock_objects.h"
 
 #include "media/video/capture/screen/screen_capturer.h"
 #include "testing/gmock/include/gmock/gmock.h"
+#include "third_party/webrtc/modules/desktop_capture/desktop_region.h"
 
 namespace media {
 
 MockScreenCapturer::MockScreenCapturer() {
 }
 
 MockScreenCapturer::~MockScreenCapturer() {
 }
 
-MockScreenCapturerDelegate::MockScreenCapturerDelegate() {
+MockScreenCapturerCallback::MockScreenCapturerCallback() {
 }
 
-MockScreenCapturerDelegate::~MockScreenCapturerDelegate() {
-}
-
-void MockScreenCapturerDelegate::OnCursorShapeChanged(
-    scoped_ptr<MouseCursorShape> cursor_shape) {
-  // Notify the mock method.
-  OnCursorShapeChangedPtr(cursor_shape.get());
+MockScreenCapturerCallback::~MockScreenCapturerCallback() {
 }
 
 }  // namespace media