Move VISUAL_STATE promise to activation

cc/trees/layer_tree_host.cc

 // Copyright 2011 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/layer_tree_host.h"
 
 #include <algorithm>
 #include <stack>
 #include <string>
 
@@ skipping 1261 matching lines @@
   for (; it != swap_promise_monitor_.end(); it++)
     (*it)->OnSetNeedsCommitOnMain();
 }
 
 void LayerTreeHost::QueueSwapPromise(scoped_ptr<SwapPromise> swap_promise) {
   DCHECK(swap_promise);
   swap_promise_list_.push_back(swap_promise.Pass());
 }
 
 void LayerTreeHost::BreakSwapPromises(SwapPromise::DidNotSwapReason reason) {
-  for (size_t i = 0; i < swap_promise_list_.size(); i++)
-    swap_promise_list_[i]->DidNotSwap(reason);
+  for (auto* swap_promise : swap_promise_list_)
+    swap_promise->DidNotSwap(reason);
   swap_promise_list_.clear();
 }
 
 void LayerTreeHost::set_surface_id_namespace(uint32_t id_namespace) {
   surface_id_namespace_ = id_namespace;
 }
 
 SurfaceSequence LayerTreeHost::CreateSurfaceSequence() {
   return SurfaceSequence(surface_id_namespace_, next_surface_sequence_++);
 }
 
 void LayerTreeHost::SetChildrenNeedBeginFrames(
     bool children_need_begin_frames) const {
   proxy_->SetChildrenNeedBeginFrames(children_need_begin_frames);
 }
 
 void LayerTreeHost::SendBeginFramesToChildren(
     const BeginFrameArgs& args) const {
   client_->SendBeginFramesToChildren(args);
 }
 
 void LayerTreeHost::SetAuthoritativeVSyncInterval(
     const base::TimeDelta& interval) {
   proxy_->SetAuthoritativeVSyncInterval(interval);
 }
 
 }  // namespace cc