Remove code related to REMB suppressor experiment.

Stats indicate this isn't helping. Ditching the whole thing.

BUG=4082
R=mflodman@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/47569004

Cr-Commit-Position: refs/heads/master@{#8734}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8734 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/modules/bitrate_controller/bitrate_controller_impl.cc b/webrtc/modules/bitrate_controller/bitrate_controller_impl.cc
index 477276b..d6f64fb 100644
--- a/webrtc/modules/bitrate_controller/bitrate_controller_impl.cc
+++ b/webrtc/modules/bitrate_controller/bitrate_controller_impl.cc
@@ -93,8 +93,7 @@
       last_bitrate_bps_(0),
       last_fraction_loss_(0),
       last_rtt_ms_(0),
-      last_reserved_bitrate_bps_(0),
-      remb_suppressor_(new RembSuppressor(clock)) {
+      last_reserved_bitrate_bps_(0) {
 }
 
 BitrateControllerImpl::~BitrateControllerImpl() {
@@ -127,9 +126,6 @@
 void BitrateControllerImpl::OnReceivedEstimatedBitrate(uint32_t bitrate) {
   {
     CriticalSectionScoped cs(critsect_);
-    if (remb_suppressor_->SuppresNewRemb(bitrate)) {
-      return;
-    }
     bandwidth_estimation_.UpdateReceiverEstimate(bitrate);
   }
   MaybeTriggerOnNetworkChanged();
@@ -208,14 +204,4 @@
   return false;
 }
 
-void BitrateControllerImpl::SetBitrateSent(uint32_t bitrate_sent_bps) {
-  CriticalSectionScoped cs(critsect_);
-  remb_suppressor_->SetBitrateSent(bitrate_sent_bps);
-}
-
-void BitrateControllerImpl::SetCodecMode(webrtc::VideoCodecMode mode) {
-  CriticalSectionScoped cs(critsect_);
-  remb_suppressor_->SetEnabled(mode == kScreensharing);
-}
-
 }  // namespace webrtc