Add the ability for DevTools to wrap network transactions.

chrome/browser/devtools/devtools_network_controller.h

+// 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_DEVTOOLS_DEVTOOLS_NETWORK_CONTROLLER_H_
+#define CHROME_BROWSER_DEVTOOLS_DEVTOOLS_NETWORK_CONTROLLER_H_
+
+#include <string>
+
+#include "base/containers/hash_tables.h"
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+
+class DevToolsNetworkTransaction;
+class GURL;
+class Profile;
+
+namespace content {
+class BrowserContext;
+class ResourceContext;
+}  // namespace content
+
+// DevToolsNetworkController tracks DevToolsNetworkTransactions.
+class DevToolsNetworkController {
+
+ public:
+  DevToolsNetworkController();
+  virtual ~DevToolsNetworkController();
+
+  uint64 GenerateTransactionId();
+
+  void AddTransaction(
+      uint64 transaction_id,
+      DevToolsNetworkTransaction* transaction);
+
+  void RemoveTransaction(uint64 transaction_id);
+
+  static void DisableNetwork(
+      Profile* profile,
+      const std::string& client_id,

[mmenke, 2014/04/18 15:41:42]

Think you need to document what a client ID is.

[eustas, 2014/04/21 11:34:59]

Done.

+      bool disable_network);
+
+  static void DisableNetworkOnIO(
+      content::ResourceContext* resource_context,
+      const std::string& client_id,
+      bool disable_network);
+
+  void DisableNetwork(
+      const std::string& client_id,
+      bool disable_network);
+
+  bool ShouldFail(const DevToolsNetworkTransaction* transaction);
+
+ private:
+  uint64 last_transaction_id_;
+  typedef base::hash_map<uint64, DevToolsNetworkTransaction*> Transactions;
+  Transactions transactions_;
+
+  typedef base::hash_set<std::string> ClientsSet;
+  ClientsSet clients_set_;
+
+  DISALLOW_COPY_AND_ASSIGN(DevToolsNetworkController);
+};
+
+#endif  // CHROME_BROWSER_DEVTOOLS_DEVTOOLS_NETWORK_CONTROLLER_H_