New file api/video/BUILD.gn

Build targets involving files under api/video/ are moved into this
file, from api/BUILD.gn. In addition, drop "_api" part of target
names, and move the header file api/videosinkinterface.h to
api/video/video_sink_interface.h.

Bug: webrtc:9253
Change-Id: I2896d3f063db8dff902bc29738578395b2fcc155
Reviewed-on: https://webrtc-review.googlesource.com/75500
Commit-Queue: Niels Moller <nisse@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23207}
diff --git a/sdk/BUILD.gn b/sdk/BUILD.gn
index 7e3dcfb..eea2090 100644
--- a/sdk/BUILD.gn
+++ b/sdk/BUILD.gn
@@ -134,8 +134,8 @@
         ":native_video",
         ":videoframebuffer_objc",
         "../api:libjingle_peerconnection_api",
-        "../api:video_frame_api",
-        "../api:video_frame_api_i420",
+        "../api/video:video_frame",
+        "../api/video:video_frame_i420",
         "../common_video",
         "../media:rtc_media_base",
         "../rtc_base:checks",
@@ -162,8 +162,8 @@
       ]
       deps = [
         ":common_objc",
-        "//api:video_frame_api",
-        "//api:video_frame_api_i420",
+        "//api/video:video_frame",
+        "//api/video:video_frame_i420",
         "//common_video",
         "//rtc_base:checks",
         "//rtc_base:rtc_base_approved",
@@ -212,7 +212,7 @@
         ":videosource_objc",
         "../api:libjingle_peerconnection_api",
         "../api:optional",
-        "../api:video_frame_api",
+        "../api/video:video_frame",
         "../common_video",
         "../media:rtc_media_base",
         "../rtc_base:checks",
@@ -297,7 +297,7 @@
           ":video_objc",
           ":videoframebuffer_objc",
           ":videorenderer_objc",
-          "../api:video_frame_api",
+          "../api/video:video_frame",
           "../rtc_base:checks",
           "../rtc_base:rtc_base_approved",
         ]
@@ -677,8 +677,8 @@
         ":videorendereradapter_objc",
         ":videosource_objc",
         "../api:libjingle_peerconnection_api",
-        "../api:video_frame_api",
         "../api/audio_codecs:builtin_audio_decoder_factory",
+        "../api/video:video_frame",
         "../api/video_codecs:video_codecs_api",
         "../common_video",
         "../media:rtc_media_base",
@@ -720,7 +720,7 @@
             ":videosource_objc",
             ":videotoolbox_objc",
             "../../system_wrappers:system_wrappers_default",
-            "../api:video_frame_api_i420",
+            "../api/video:video_frame_i420",
             "../common_video:common_video",
             "../media:rtc_media_base",
             "../media:rtc_media_tests_utils",
@@ -1023,7 +1023,7 @@
         ":videoframebuffer_objc",
         ":videorenderer_objc",
         "../api:libjingle_peerconnection_api",
-        "../api:video_frame_api",
+        "../api/video:video_frame",
         "../api/video_codecs:video_codecs_api",
         "../common_video",
         "../rtc_base:rtc_base",
@@ -1063,8 +1063,8 @@
         ":videoframebuffer_objc",
         ":videorenderer_objc",
         ":wrapped_native_codec_objc",
-        "../api:video_frame_api",
-        "../api:video_frame_api_i420",
+        "../api/video:video_frame",
+        "../api/video:video_frame_i420",
         "../api/video_codecs:video_codecs_api",
         "../common_video",
         "../media:rtc_audio_video",
@@ -1119,7 +1119,7 @@
         ":videocodec_objc",
         ":videoframebuffer_objc",
         ":videosource_objc",
-        "../api:video_frame_api",
+        "../api/video:video_frame",
         "../api/video_codecs:video_codecs_api",
         "../common_video",
         "../media:rtc_audio_video",