Enable cpplint for more webrtc subfolders and fix all uncovered cpplint errors.

webrtc/common_video/i420_video_frame_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.
  */
 
-#include "webrtc/video_frame.h"
-
 #include <math.h>
 #include <string.h>
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webrtc/base/bind.h"
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/test/fake_texture_frame.h"
+#include "webrtc/video_frame.h"
 
 namespace webrtc {
 
 bool EqualPlane(const uint8_t* data1,
                 const uint8_t* data2,
                 int stride,
                 int width,
                 int height);
 bool EqualFrames(const VideoFrame& frame1, const VideoFrame& frame2);
 int ExpectedSize(int plane_stride, int image_height, PlaneType type);
@@ skipping 137 matching lines @@
   frame2.set_rotation(kVideoRotation_90);
 
   EXPECT_NE(frame2.timestamp(), frame1.timestamp());
   EXPECT_NE(frame2.ntp_time_ms(), frame1.ntp_time_ms());
   EXPECT_NE(frame2.render_time_ms(), frame1.render_time_ms());
   EXPECT_NE(frame2.rotation(), frame1.rotation());
 }
 
 TEST(TestVideoFrame, Reset) {
   VideoFrame frame;
-  ASSERT_TRUE(frame.CreateEmptyFrame(5, 5, 5, 5, 5) == 0);
+  ASSERT_EQ(frame.CreateEmptyFrame(5, 5, 5, 5, 5), 0);
   frame.set_ntp_time_ms(1);
   frame.set_timestamp(2);
   frame.set_render_time_ms(3);
   ASSERT_TRUE(frame.video_frame_buffer() != NULL);
 
   frame.Reset();
   EXPECT_EQ(0u, frame.ntp_time_ms());
   EXPECT_EQ(0u, frame.render_time_ms());
   EXPECT_EQ(0u, frame.timestamp());
   EXPECT_TRUE(frame.video_frame_buffer() == NULL);
@@ skipping 108 matching lines @@
 int ExpectedSize(int plane_stride, int image_height, PlaneType type) {
   if (type == kYPlane) {
     return (plane_stride * image_height);
   } else {
     int half_height = (image_height + 1) / 2;
     return (plane_stride * half_height);
   }
 }
 
 }  // namespace webrtc