Rename Call::Create{Receive,Send}Stream().

Renaming the methods to include Video. Long-term there will hopefully be
AudioSendStream/AudioReceiveStreams as well.

BUG=
R=mflodman@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/3439004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@5135 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/call.h b/call.h
index 5f4c7b6..7b3de93 100644
--- a/call.h
+++ b/call.h
@@ -60,7 +60,7 @@
 
   virtual VideoSendStream::Config GetDefaultSendConfig() = 0;
 
-  virtual VideoSendStream* CreateSendStream(
+  virtual VideoSendStream* CreateVideoSendStream(
       const VideoSendStream::Config& config) = 0;
 
   // Returns the internal state of the send stream, for resume sending with a
@@ -70,7 +70,7 @@
 
   virtual VideoReceiveStream::Config GetDefaultReceiveConfig() = 0;
 
-  virtual VideoReceiveStream* CreateReceiveStream(
+  virtual VideoReceiveStream* CreateVideoReceiveStream(
       const VideoReceiveStream::Config& config) = 0;
   virtual void DestroyReceiveStream(VideoReceiveStream* receive_stream) = 0;