Inject timestamps to resource messages.

content/common/child_resource_message_filter.cc

Index: content/common/child_resource_message_filter.cc
diff --git a/content/common/child_resource_message_filter.cc b/content/common/child_resource_message_filter.cc
new file mode 100644
index 0000000000000000000000000000000000000000..f968861677e9d40d066be965558bf5a3b6808b6e
--- /dev/null
+++ b/content/common/child_resource_message_filter.cc
@@ -0,0 +1,33 @@
+// Copyright (c) 2013 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/common/child_resource_message_filter.h"
+
+#include "base/thread_task_runner_handle.h"
+#include "content/common/resource_dispatcher.h"
+#include "content/common/resource_messages.h"
+
+namespace content {
+
+ChildResourceMessageFilter::ChildResourceMessageFilter(
+    ResourceDispatcher* resource_dispatcher)
+    : main_thread_task_runner_(base::ThreadTaskRunnerHandle::Get()),
+      resource_dispatcher_(resource_dispatcher) {}
+
+ChildResourceMessageFilter::~ChildResourceMessageFilter() {}
+
+bool ChildResourceMessageFilter::OnMessageReceived(
+    const IPC::Message& message) {
+  if (message.type() == ResourceMsg_RequestComplete::ID ||
+      message.type() == ResourceMsg_ReceivedResponse::ID ||
+      message.type() == ResourceMsg_ReceivedRedirect::ID) {
+    main_thread_task_runner_->PostTask(FROM_HERE, base::Bind(
+        &ResourceDispatcher::set_io_timestamp,
+        base::Unretained(resource_dispatcher_),
+        base::TimeTicks::Now()));
+  }
+  return false;
+}
+
+}  // namespace content