Add texture support in WebrtcVideoCapturerAdapter.

content/renderer/media/webrtc/webrtc_video_capturer_adapter.cc

Index: content/renderer/media/webrtc/webrtc_video_capturer_adapter.cc
diff --git a/content/renderer/media/webrtc/webrtc_video_capturer_adapter.cc b/content/renderer/media/webrtc/webrtc_video_capturer_adapter.cc
index eb56669612e19bb62aa1f7fa7885c98298d44234..1582cd60ab19f6e56c23716c9e7fafdfb2aa1596 100644
--- a/content/renderer/media/webrtc/webrtc_video_capturer_adapter.cc
+++ b/content/renderer/media/webrtc/webrtc_video_capturer_adapter.cc
@@ -7,8 +7,10 @@
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/memory/aligned_memory.h"
+#include "content/renderer/media/native_handle_impl.h"
 #include "media/base/video_frame.h"
 #include "third_party/libyuv/include/libyuv/convert.h"
+#include "third_party/webrtc/system_wrappers/interface/ref_count.h"
 
 namespace content {
 
@@ -85,7 +87,8 @@ void WebRtcVideoCapturerAdapter::OnFrameCaptured(
     const scoped_refptr<media::VideoFrame>& frame) {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(media::VideoFrame::I420 == frame->format() ||
-         media::VideoFrame::YV12 == frame->format());
+         media::VideoFrame::YV12 == frame->format() ||
+         media::VideoFrame::NATIVE_TEXTURE == frame->format());
   if (first_frame_timestamp_ == media::kNoTimestamp())
     first_frame_timestamp_ = frame->timestamp();
 
@@ -101,13 +104,16 @@ void WebRtcVideoCapturerAdapter::OnFrameCaptured(
   captured_frame.pixel_height = 1;
   captured_frame.pixel_width = 1;
 
-  // TODO(perkj):
-  // Libjingle expects contiguous layout of image planes as input.
-  // The only format where that is true in Chrome is I420 where the
-  // coded_size == visible_rect().size().
-  if (frame->format() != media::VideoFrame::I420 ||
-      frame->coded_size() != frame->visible_rect().size()) {
+  if (frame->format() == media::VideoFrame::NATIVE_TEXTURE) {
+    captured_frame.handle =
+        new webrtc::RefCountImpl<NativeHandleImpl>(frame.get());
+  } else if (frame->format() != media::VideoFrame::I420 ||
+             frame->coded_size() != frame->visible_rect().size()) {
     // Cropping and or switching UV planes is needed.
+    // TODO(perkj):
+    // Libjingle expects contiguous layout of image planes as input.
+    // The only format where that is true in Chrome is I420 where the
+    // coded_size == visible_rect().size().
     UpdateI420Buffer(frame);
     captured_frame.data = buffer_;
     captured_frame.data_size = buffer_size_;