GN: Port frame_analyzer and rgba_to_i420_converter targets

webrtc/tools/frame_analyzer/video_quality_analysis.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/tools/frame_analyzer/video_quality_analysis.h"
 
 #include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
 
 #include <string>
 
 #define STATS_LINE_LENGTH 32
 #define Y4M_FILE_HEADER_MAX_SIZE 200
 #define Y4M_FRAME_DELIMITER "FRAME"
 #define Y4M_FRAME_HEADER_SIZE 6
 
 namespace webrtc {
 namespace test {
 
 using std::string;
 
+ResultsContainer::ResultsContainer() {}
+ResultsContainer::~ResultsContainer() {}
+
 int GetI420FrameSize(int width, int height) {
   int half_width = (width + 1) >> 1;
   int half_height = (height + 1) >> 1;
 
   int y_plane = width * height;  // I420 Y plane.
   int u_plane = half_width * half_height;  // I420 U plane.
   int v_plane = half_width * half_height;  // I420 V plane.
 
   return y_plane + u_plane + v_plane;
 }
@@ skipping 316 matching lines @@
     for (iter = results->frames.begin(); iter != results->frames.end() - 1;
          ++iter) {
       fprintf(output, "%f,", iter->ssim_value);
     }
     fprintf(output, "%f] score\n", iter->ssim_value);
   }
 }
 
 }  // namespace test
 }  // namespace webrtc