Revert of Plumb activation time to main

cc/trees/proxy_impl.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/trees/proxy_impl.h"
 
 #include <string.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 308 matching lines @@
 
 void ProxyImpl::OnCanDrawStateChanged(bool can_draw) {
   TRACE_EVENT1("cc", "ProxyImpl::OnCanDrawStateChanged", "can_draw", can_draw);
   DCHECK(IsImplThread());
   scheduler_->SetCanDraw(can_draw);
 }
 
 void ProxyImpl::NotifyReadyToActivate() {
   TRACE_EVENT0("cc", "ProxyImpl::NotifyReadyToActivate");
   DCHECK(IsImplThread());
-  scheduler_->NotifyReadyToActivate(
-      layer_tree_host_impl_->pending_tree()
-          ? layer_tree_host_impl_->pending_tree()->source_frame_number()
-          : -1);
+  scheduler_->NotifyReadyToActivate();
 }
 
 void ProxyImpl::NotifyReadyToDraw() {
   TRACE_EVENT0("cc", "ProxyImpl::NotifyReadyToDraw");
   DCHECK(IsImplThread());
   scheduler_->NotifyReadyToDraw();
 }
 
 void ProxyImpl::SetNeedsRedrawOnImplThread() {
   TRACE_EVENT0("cc", "ProxyImpl::SetNeedsRedrawOnImplThread");
@@ skipping 343 matching lines @@
 ProxyImpl::BlockedMainCommitOnly& ProxyImpl::blocked_main_commit() {
   DCHECK(IsMainThreadBlocked() && commit_completion_event_);
   return main_thread_blocked_commit_vars_unsafe_;
 }
 
 base::SingleThreadTaskRunner* ProxyImpl::MainThreadTaskRunner() {
   return task_runner_provider_->MainThreadTaskRunner();
 }
 
 }  // namespace cc