Move VideoFrame and related declarations to webrtc/api/video.

webrtc/api/BUILD.gn

 # Copyright (c) 2015 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.
 
 import("../build/webrtc.gni")
 if (is_android) {
@@ skipping 160 matching lines @@
 }
 
 rtc_source_set("transport_api") {
   sources = [
     "call/transport.h",
   ]
 }
 
 rtc_source_set("video_frame_api") {
   sources = [
+    "video/i420_buffer.cc",
+    "video/i420_buffer.h",
+    "video/video_frame.cc",
+    "video/video_frame.h",
+    "video/video_frame_buffer.h",
     "video/video_rotation.h",
   ]
 
   deps = [
     "../base:rtc_base_approved",
+    "../system_wrappers",
   ]
 
   # TODO(nisse): This logic is duplicated in multiple places.
   # Define in a single place.
   if (rtc_build_libyuv) {
     deps += [ "$rtc_libyuv_dir" ]
     public_deps = [
       "$rtc_libyuv_dir",
     ]
   } else {
@@ skipping 135 matching lines @@
     public_deps = [
       ":audio_mixer_api",
     ]
 
     deps = [
       "//testing/gmock",
       "//webrtc/test:test_support",
     ]
   }
 }