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

webrtc/tools/frame_editing/frame_editing_lib.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 <stdio.h>
 #include <stdlib.h>
 
 #include <string>
 
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
+#include "webrtc/tools/frame_editing/frame_editing_lib.h"
 #include "webrtc/typedefs.h"
 
 using std::string;
 
 namespace webrtc {
 
 int EditFrames(const string& in_path, int width, int height,
                int first_frame_to_process, int interval,
                int last_frame_to_process, const string& out_path) {
   if (last_frame_to_process < first_frame_to_process) {
@@ skipping 51 matching lines @@
   if (num_bytes_read > 0 && num_bytes_read < frame_length) {
     printf("Frame to small! Last frame truncated.\n");
   }
   fclose(in_fid);
   fclose(out_fid);
 
   printf("Done editing!\n");
   return 0;
 }
 }  // namespace webrtc