Remove runtime toggling of throttling frames

cc/trees/remote_channel_impl.cc

Index: cc/trees/remote_channel_impl.cc
diff --git a/cc/trees/remote_channel_impl.cc b/cc/trees/remote_channel_impl.cc
index d8b93194a28912e77cd9b68e8e7490cf9a07f99f..43fe70eb87c522eb94e2278dc9956b42b4af57da 100644
--- a/cc/trees/remote_channel_impl.cc
+++ b/cc/trees/remote_channel_impl.cc
@@ -178,10 +178,6 @@ void RemoteChannelImpl::SetVisible(bool visible) {
       base::Bind(&ProxyImpl::SetVisibleOnImpl, proxy_impl_weak_ptr_, visible));
 }
 
-void RemoteChannelImpl::SetThrottleFrameProduction(bool throttle) {
-  NOTREACHED() << "Should not be called on the remote client LayerTreeHost";
-}
-
 const RendererCapabilities& RemoteChannelImpl::GetRendererCapabilities() const {
   NOTREACHED() << "Should not be called on the remote client LayerTreeHost";
   return main().renderer_capabilities;