Simplify ScreenCapturer interface.

media/video/capture/screen/screen_capturer_unittest.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.h"
 
 #include "base/bind.h"
 #if defined(OS_MACOSX)
 #include "base/mac/mac_util.h"
 #endif  // defined(OS_MACOSX)
@@ skipping 27 matching lines @@
 };
 
 scoped_refptr<SharedBuffer> ScreenCapturerTest::CreateSharedBuffer(
     uint32 size) {
   return scoped_refptr<SharedBuffer>(new SharedBuffer(size));
 }
 
 TEST_F(ScreenCapturerTest, StartCapturer) {
   capturer_ = ScreenCapturer::Create();
   capturer_->Start(&delegate_);
-  capturer_->Stop();
 }
 
 TEST_F(ScreenCapturerTest, Capture) {
   // Assume that Start() treats the screen as invalid initially.
   EXPECT_CALL(delegate_,
               OnCaptureCompleted(DirtyRegionIsNonEmptyRect()));
   EXPECT_CALL(delegate_, OnCursorShapeChangedPtr(_))
       .Times(AnyNumber());
 
   EXPECT_CALL(delegate_, CreateSharedBuffer(_))
       .Times(AnyNumber())
       .WillRepeatedly(Return(scoped_refptr<SharedBuffer>()));
 
   capturer_ = ScreenCapturer::Create();
   capturer_->Start(&delegate_);
   capturer_->CaptureFrame();
-  capturer_->Stop();
 }
 
 #if defined(OS_WIN)
 
 TEST_F(ScreenCapturerTest, UseSharedBuffers) {
   EXPECT_CALL(delegate_,
               OnCaptureCompleted(DirtyRegionIsNonEmptyRect()));
   EXPECT_CALL(delegate_, OnCursorShapeChangedPtr(_))
       .Times(AnyNumber());
 
   EXPECT_CALL(delegate_, CreateSharedBuffer(_))
       .Times(AnyNumber())
       .WillRepeatedly(Invoke(this, &ScreenCapturerTest::CreateSharedBuffer));
   EXPECT_CALL(delegate_, ReleaseSharedBuffer(_))
       .Times(AnyNumber());
 
   capturer_ = ScreenCapturer::Create();
   capturer_->Start(&delegate_);
   capturer_->CaptureFrame();
-  capturer_->Stop();
   capturer_.reset();
 }
 
 #endif  // defined(OS_WIN)
 
 }  // namespace media