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

webrtc/common_video/libyuv/scaler_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 96 matching lines @@
                           width_, height_,
                           width_, half_width_, half_width_);
   EXPECT_EQ(0, test_scaler_.Scale(test_frame_, &test_frame2));
   EXPECT_GT(width_ * height_, test_frame2.allocated_size(kYPlane));
   EXPECT_GT(size_uv_, test_frame2.allocated_size(kUPlane));
   EXPECT_GT(size_uv_, test_frame2.allocated_size(kVPlane));
   EXPECT_EQ(half_width_, test_frame2.width());
   EXPECT_EQ(half_height_, test_frame2.height());
 }
 
-//TODO (mikhal): Converge the test into one function that accepts the method.
+// TODO(mikhal): Converge the test into one function that accepts the method.
 TEST_F(TestScaler, DISABLED_ON_ANDROID(PointScaleTest)) {
   double avg_psnr;
   FILE* source_file2;
   ScaleMethod method = kScalePoint;
   std::string out_name = webrtc::test::OutputPath() +
                          "LibYuvTest_PointScale_176_144.yuv";
   ScaleSequence(method,
                 source_file_, out_name,
                 width_, height_,
                 half_width_, half_height_);
@@ skipping 187 matching lines @@
     double psnr = I420PSNR(&in_frame, &out_frame);
     avg_psnr += psnr;
   }
   avg_psnr = avg_psnr / frame_count;
   assert(0 == fclose(output_file));
   delete [] input_buffer;
   delete [] output_buffer;
   return avg_psnr;
 }
 
-// TODO (mikhal): Move part to a separate scale test.
+// TODO(mikhal): Move part to a separate scale test.
 void TestScaler::ScaleSequence(ScaleMethod method,
                    FILE* source_file, std::string out_name,
                    int src_width, int src_height,
                    int dst_width, int dst_height) {
   FILE* output_file;
   EXPECT_EQ(0, test_scaler_.Set(src_width, src_height,
                                dst_width, dst_height,
                                kI420, kI420, method));
 
   output_file = fopen(out_name.c_str(), "wb");
@@ skipping 36 matching lines @@
   if (frame_count) {
     printf("Scaling[%d %d] => [%d %d]: ",
            src_width, src_height, dst_width, dst_height);
     printf("Average time per frame[ms]: %.2lf\n",
              (static_cast<double>(total_clock) / frame_count));
   }
   ASSERT_EQ(0, fclose(output_file));
 }
 
 }  // namespace webrtc