Add the ability for DevTools to wrap network transactions.

chrome/browser/net/network_controller.h

Index: chrome/browser/net/network_controller.h
diff --git a/chrome/browser/net/network_controller.h b/chrome/browser/net/network_controller.h
new file mode 100644
index 0000000000000000000000000000000000000000..57942520c98eb2546d099f4cd33d22e230365f20
--- /dev/null
+++ b/chrome/browser/net/network_controller.h
@@ -0,0 +1,62 @@
+// 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.
+
+#ifndef CHROME_BROWSER_NET_NETWORK_CONTROLLER_H_
+#define CHROME_BROWSER_NET_NETWORK_CONTROLLER_H_
+
+#include <string>
+
+#include "base/containers/hash_tables.h"
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+
+class NetworkTransaction;
+class GURL;
+class Profile;
+
+namespace content {
+class BrowserContext;
+class ResourceContext;
+}  // namespace content
+
+// NetworkController tracks NetworkTransactions.
+class NetworkController {
+
+ public:
+  NetworkController();
+  virtual ~NetworkController();
+
+  void AddTransaction(
+      uint64 transaction_id,
+      NetworkTransaction* transaction);
+
+  void RemoveTransaction(uint64 transaction_id);
+
+  static void DisableNetwork(
+      Profile* profile,
+      const std::string& client_id,
+      bool disable_network);
+
+  static void DisableNetworkOnIO(
+      content::ResourceContext* resourceContext,
+      const std::string& client_id,
+      bool disable_network);
+
+  void DisableNetwork(
+      const std::string& client_id,
+      bool disable_network);
+
+  bool IsBlockedURL(const GURL& url);
+
+ private:
+  typedef base::hash_map<uint64, NetworkTransaction*> Transactions;
+  Transactions transactions_;
+
+  typedef base::hash_set<std::string> ClientsSet;
+  ClientsSet clients_set_;
+
+  DISALLOW_COPY_AND_ASSIGN(NetworkController);
+};
+
+#endif  // CHROME_BROWSER_NET_NETWORK_CONTROLLER_H_