Added API for getting the send-side estimated bandwidth.

BUG=
TEST=

Review URL: https://webrtc-codereview.appspot.com/372006

git-svn-id: http://webrtc.googlecode.com/svn/trunk@1591 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/src/video_engine/vie_encoder.h b/src/video_engine/vie_encoder.h
index 6734759..9afdaac 100644
--- a/src/video_engine/vie_encoder.h
+++ b/src/video_engine/vie_encoder.h
@@ -1,5 +1,5 @@
 /*
- *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
+ *  Copyright (c) 2012 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
@@ -88,6 +88,7 @@
   WebRtc_Word32 SendKeyFrame();
   WebRtc_Word32 SendCodecStatistics(WebRtc_UWord32& num_key_frames,
                                     WebRtc_UWord32& num_delta_frames);
+  WebRtc_Word32 EstimatedBandwidth(WebRtc_UWord32* available_bandwidth) const;
   // Loss protection.
   WebRtc_Word32 UpdateProtectionMethod();