Revert of Delete unused and almost unused frame-related methods.

webrtc/media/engine/webrtcvideoframe.cc

Index: webrtc/media/engine/webrtcvideoframe.cc
diff --git a/webrtc/media/engine/webrtcvideoframe.cc b/webrtc/media/engine/webrtcvideoframe.cc
index 4f89c8b85d100562d14cb891c6b11e8f67f247d1..f77ca70fa3d7537c24e76045c43ee121df4b5d44 100644
--- a/webrtc/media/engine/webrtcvideoframe.cc
+++ b/webrtc/media/engine/webrtcvideoframe.cc
@@ -63,6 +63,20 @@
                static_cast<uint8_t*>(frame->data), frame->data_size,
                frame->time_stamp / rtc::kNumNanosecsPerMicrosec,
                frame->rotation, apply_rotation);
+}
+
+// TODO(nisse): Deprecated, delete as soon as Chrome is updated.
+bool WebRtcVideoFrame::InitToBlack(int w, int h,
+                                   int64_t time_stamp_ns) {
+  rtc::scoped_refptr<webrtc::I420Buffer> buffer(
+      new rtc::RefCountedObject<webrtc::I420Buffer>(w, h));
+  buffer->SetToBlack();
+
+  video_frame_buffer_ = new rtc::RefCountedObject<webrtc::I420Buffer>(w, h);
+  SetTimeStamp(time_stamp_ns);
+  rotation_ = webrtc::kVideoRotation_0;
+
+  return true;
 }
 
 int WebRtcVideoFrame::width() const {