Revert of 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 3a6f2db319847a10c0e1d43e28c366f80a0bb220..7defc51fd4b093d6b995c1b282d38af7ea943d12 100644
--- a/cc/trees/proxy_impl.cc
+++ b/cc/trees/proxy_impl.cc
@@ -146,7 +146,14 @@
 
   LayerTreeHostImpl* host_impl = layer_tree_host_impl_.get();
   bool success = host_impl->InitializeRenderer(output_surface);
-  channel_impl_->DidInitializeOutputSurface(success);
+  RendererCapabilities capabilities;
+  if (success) {
+    capabilities =
+        host_impl->GetRendererCapabilities().MainThreadCapabilities();
+  }
+
+  channel_impl_->DidInitializeOutputSurface(success, capabilities);
+
   if (success)
     scheduler_->DidCreateAndInitializeOutputSurface();
 }
@@ -268,6 +275,13 @@
   DCHECK(!blocked_main_commit().layer_tree_host);
   blocked_main_commit().layer_tree_host = layer_tree_host;
   scheduler_->NotifyReadyToCommit();
+}
+
+void ProxyImpl::UpdateRendererCapabilitiesOnImplThread() {
+  DCHECK(IsImplThread());
+  channel_impl_->SetRendererCapabilitiesMainCopy(
+      layer_tree_host_impl_->GetRendererCapabilities()
+          .MainThreadCapabilities());
 }
 
 void ProxyImpl::DidLoseOutputSurfaceOnImplThread() {