Lint clean video/ and add lint presubmit check.

webrtc/video/video_send_stream_tests.cc

 /*
  *  Copyright (c) 2013 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.
  */
 #include <algorithm>  // max
@@ skipping 1104 matching lines @@
   class FrameObserver : public I420FrameCallback {
    public:
     FrameObserver() : output_frame_event_(EventWrapper::Create()) {}
 
     void FrameCallback(VideoFrame* video_frame) override {
       output_frames_.push_back(*video_frame);
       output_frame_event_->Set();
     }
 
     void WaitOutputFrame() {
-      const unsigned long kWaitFrameTimeoutMs = 3000;
+      const uint32_t kWaitFrameTimeoutMs = 3000;
       EXPECT_EQ(kEventSignaled, output_frame_event_->Wait(kWaitFrameTimeoutMs))
           << "Timeout while waiting for output frames.";
     }
 
     const std::vector<VideoFrame>& output_frames() const {
       return output_frames_;
     }
 
    private:
     // Delivered output frames.
@@ skipping 280 matching lines @@
     VideoEncoderConfig encoder_config_;
   } test;
 
   RunBaseTest(&test, FakeNetworkPipe::Config());
 }
 
 static const size_t kVideoCodecConfigObserverNumberOfTemporalLayers = 4;
 template <typename T>
 class VideoCodecConfigObserver : public test::SendTest,
                                  public test::FakeEncoder {
-
  public:
   VideoCodecConfigObserver(VideoCodecType video_codec_type,
                            const char* codec_name)
       : SendTest(VideoSendStreamTest::kDefaultTimeoutMs),
         FakeEncoder(Clock::GetRealTimeClock()),
         video_codec_type_(video_codec_type),
         codec_name_(codec_name),
         num_initializations_(0) {
     memset(&encoder_settings_, 0, sizeof(encoder_settings_));
   }
@@ skipping 773 matching lines @@
         EXPECT_GT(vp9_header.num_ref_pics, 0u);
         observation_complete_->Set();
       }
     }
   } test;
 
   RunBaseTest(&test, FakeNetworkPipe::Config());
 }
 
 }  // namespace webrtc