cc: Delete all the RendererCapabilities.

cc/trees/proxy_impl.cc

Index: cc/trees/proxy_impl.cc
diff --git a/cc/trees/proxy_impl.cc b/cc/trees/proxy_impl.cc
index 7defc51fd4b093d6b995c1b282d38af7ea943d12..3a6f2db319847a10c0e1d43e28c366f80a0bb220 100644
--- a/cc/trees/proxy_impl.cc
+++ b/cc/trees/proxy_impl.cc
@@ -146,14 +146,7 @@ void ProxyImpl::InitializeOutputSurfaceOnImpl(OutputSurface* output_surface) {
 
   LayerTreeHostImpl* host_impl = layer_tree_host_impl_.get();
   bool success = host_impl->InitializeRenderer(output_surface);
-  RendererCapabilities capabilities;
-  if (success) {
-    capabilities =
-        host_impl->GetRendererCapabilities().MainThreadCapabilities();
-  }
-
-  channel_impl_->DidInitializeOutputSurface(success, capabilities);
-
+  channel_impl_->DidInitializeOutputSurface(success);
   if (success)
     scheduler_->DidCreateAndInitializeOutputSurface();
 }
@@ -277,13 +270,6 @@ void ProxyImpl::NotifyReadyToCommitOnImpl(
   scheduler_->NotifyReadyToCommit();
 }
 
-void ProxyImpl::UpdateRendererCapabilitiesOnImplThread() {
-  DCHECK(IsImplThread());
-  channel_impl_->SetRendererCapabilitiesMainCopy(
-      layer_tree_host_impl_->GetRendererCapabilities()
-          .MainThreadCapabilities());
-}
-
 void ProxyImpl::DidLoseOutputSurfaceOnImplThread() {
   TRACE_EVENT0("cc", "ProxyImpl::DidLoseOutputSurfaceOnImplThread");
   DCHECK(IsImplThread());