Revert of Removed unused cricket::VideoCapturer methods

webrtc/media/base/capturemanager_unittest.cc

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 142 matching lines @@
 
   EXPECT_TRUE(capture_manager_.StopVideoCapture(&video_capturer_,
                                                 format_qvga_));
   EXPECT_EQ_WAIT(cricket::CS_STOPPED, capture_state(), kMsCallbackWait);
   EXPECT_EQ(2, callback_count());
   // Last stop call should fail as it is one more than the number of start
   // calls.
   EXPECT_FALSE(capture_manager_.StopVideoCapture(&video_capturer_,
                                                  format_vga_));
 }
+
+TEST_F(CaptureManagerTest, TestForceRestart) {
+  EXPECT_TRUE(capture_manager_.StartVideoCapture(&video_capturer_,
+                                                 format_qvga_));
+  capture_manager_.AddVideoSink(&video_capturer_, &video_renderer_);
+  EXPECT_EQ_WAIT(1, callback_count(), kMsCallbackWait);
+  EXPECT_TRUE(video_capturer_.CaptureFrame());
+  EXPECT_EQ(1, NumFramesRendered());
+  EXPECT_TRUE(WasRenderedResolution(format_qvga_));
+  // Now restart with vga.
+  EXPECT_TRUE(capture_manager_.RestartVideoCapture(
+      &video_capturer_, format_qvga_, format_vga_,
+      cricket::CaptureManager::kForceRestart));
+  EXPECT_TRUE(video_capturer_.CaptureFrame());
+  EXPECT_EQ(2, NumFramesRendered());
+  EXPECT_TRUE(WasRenderedResolution(format_vga_));
+  EXPECT_TRUE(capture_manager_.StopVideoCapture(&video_capturer_,
+                                                format_vga_));
+}
+
+TEST_F(CaptureManagerTest, TestRequestRestart) {
+  EXPECT_TRUE(capture_manager_.StartVideoCapture(&video_capturer_,
+                                                 format_vga_));
+  capture_manager_.AddVideoSink(&video_capturer_, &video_renderer_);
+  EXPECT_EQ_WAIT(1, callback_count(), kMsCallbackWait);
+  EXPECT_TRUE(video_capturer_.CaptureFrame());
+  EXPECT_EQ(1, NumFramesRendered());
+  EXPECT_TRUE(WasRenderedResolution(format_vga_));
+  // Now request restart with qvga.
+  EXPECT_TRUE(capture_manager_.RestartVideoCapture(
+      &video_capturer_, format_vga_, format_qvga_,
+      cricket::CaptureManager::kRequestRestart));
+  EXPECT_TRUE(video_capturer_.CaptureFrame());
+  EXPECT_EQ(2, NumFramesRendered());
+  EXPECT_TRUE(WasRenderedResolution(format_vga_));
+  EXPECT_TRUE(capture_manager_.StopVideoCapture(&video_capturer_,
+                                                format_qvga_));
+}