Fix race initialising DevtoolsNetworkController

brightray/browser/net/devtools_network_controller_handle.cc

@@ -0,0 +1,60 @@
+// Copyright (c) 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-CHROMIUM file.
+
+#include "browser/net/devtools_network_controller_handle.h"
+
+#include "base/bind.h"
+#include "browser/net/devtools_network_conditions.h"
+#include "browser/net/devtools_network_controller.h"
+#include "content/public/browser/browser_thread.h"
+
+using content::BrowserThread;
+
+namespace brightray {
+
+DevToolsNetworkControllerHandle::DevToolsNetworkControllerHandle() {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+}
+
+DevToolsNetworkControllerHandle::~DevToolsNetworkControllerHandle() {
+  BrowserThread::DeleteSoon(BrowserThread::IO,
+                            FROM_HERE,
+                            controller_.release());
+}
+
+void DevToolsNetworkControllerHandle::SetNetworkState(
+    const std::string& client_id,
+    scoped_ptr<DevToolsNetworkConditions> conditions) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+
+  BrowserThread::PostTask(
+      BrowserThread::IO, FROM_HERE,
+      base::Bind(&DevToolsNetworkControllerHandle::SetNetworkStateOnIO,
+                 base::Unretained(this), client_id, base::Passed(&conditions)));
+}
+
+DevToolsNetworkController* DevToolsNetworkControllerHandle::GetController() {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+
+  LazyInitialize();
+  return controller_.get();
+}
+
+void DevToolsNetworkControllerHandle::LazyInitialize() {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+
+  if (!controller_)
+    controller_.reset(new DevToolsNetworkController);
+}
+
+void DevToolsNetworkControllerHandle::SetNetworkStateOnIO(
+    const std::string& client_id,
+    scoped_ptr<DevToolsNetworkConditions> conditions) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+
+  LazyInitialize();
+  controller_->SetNetworkState(client_id, std::move(conditions));
+}
+
+}  // namespace brightray