Add SetCodecSettings method for configuring VideoCodec settings.

webrtc/modules/video_coding/codecs/test/videoprocessor.cc

Index: webrtc/modules/video_coding/codecs/test/videoprocessor.cc
diff --git a/webrtc/modules/video_coding/codecs/test/videoprocessor.cc b/webrtc/modules/video_coding/codecs/test/videoprocessor.cc
index 21fd67fbee84b749d6ed689c0dd8d92c8f28f3d4..9b8b72a42dc3ea1cc7a0704870b46794eb0ef20d 100644
--- a/webrtc/modules/video_coding/codecs/test/videoprocessor.cc
+++ b/webrtc/modules/video_coding/codecs/test/videoprocessor.cc
@@ -99,23 +99,6 @@ const char* ExcludeFrameTypesToStr(ExcludeFrameTypes e) {
   }
 }
 
-TestConfig::TestConfig()
-    : name(""),
-      description(""),
-      test_number(0),
-      input_filename(""),
-      output_filename(""),
-      output_dir("out"),
-      networking_config(),
-      exclude_frame_types(kExcludeOnlyFirstKeyFrame),
-      frame_length_in_bytes(0),
-      use_single_core(false),
-      keyframe_interval(0),
-      codec_settings(nullptr),
-      verbose(true) {}
-
-TestConfig::~TestConfig() {}
-
 VideoProcessorImpl::VideoProcessorImpl(webrtc::VideoEncoder* encoder,
                                        webrtc::VideoDecoder* decoder,
                                        FrameReader* analysis_frame_reader,