Move VISUAL_STATE promise to activation

content/renderer/gpu/queue_message_promise.cc

Index: content/renderer/gpu/queue_message_promise.cc
diff --git a/content/renderer/gpu/queue_message_promise.cc b/content/renderer/gpu/queue_message_promise.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d2d1cb26ae8722dddfa1d90196e339da76295c3c
--- /dev/null
+++ b/content/renderer/gpu/queue_message_promise.cc
@@ -0,0 +1,52 @@
+// Copyright 2014 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 "content/renderer/gpu/queue_message_promise.h"
+
+#include "content/renderer/gpu/frame_update_message_queue.h"
+#include "ipc/ipc_message.h"
+#include "ipc/ipc_sync_message_filter.h"
+
+namespace content {
+
+QueueMessagePromise::QueueMessagePromise(
+    scoped_refptr<IPC::SyncMessageFilter> message_sender,
+    scoped_refptr<content::FrameUpdateMessageQueue> message_queue,
+    int source_frame_number)
+    : message_sender_(message_sender),
+      message_queue_(message_queue),
+      source_frame_number_(source_frame_number)
+#if DCHECK_IS_ON()
+      ,
+      completed_(false)
+#endif
+{
+  DCHECK(message_sender_.get());
+  DCHECK(message_queue_.get());
+}
+
+QueueMessagePromise::~QueueMessagePromise() {
+  // The promise should have either been kept or broken before it's deleted.
+#if DCHECK_IS_ON()
+  DCHECK(completed_);
+#endif
+}
+
+void QueueMessagePromise::DeliverMessages(
+    ScopedVector<IPC::Message>* messages) {
+  for (ScopedVector<IPC::Message>::iterator i = messages->begin();
+       i != messages->end();
+       ++i) {
+    message_sender_->Send(*i);
+  }
+  messages->weak_clear();
+}
+
+void QueueMessagePromise::PromiseCompleted() {
+#if DCHECK_IS_ON()
+  completed_ = true;
+#endif
+}
+
+}  // namespace content