Add the ability for DevTools to wrap network transactions.

The eventual goal is to allow it to simulate flaky network connections.

Docs:
https://docs.google.com/a/google.com/document/d/1SkuWqLYIUpMDI05n7vgx8zdkunyUsxGs9tvUPDOqEJY/edit
https://docs.google.com/a/google.com/document/d/19O_UeUfCFZg5cEnH5jkkZ6_tqsfaLQLYUEIGyXw3oTo/edit

BUG=245436

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=273584

Review URL: https://codereview.chromium.org/182993003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@274253 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 43 insertions, 0 deletions

diff --git a/chrome/browser/devtools/devtools_network_transaction_factory.h b/chrome/browser/devtools/devtools_network_transaction_factory.h
new file mode 100644
index 0000000..9faec2c
--- /dev/null
+++ b/chrome/browser/devtools/devtools_network_transaction_factory.h
@@ -0,0 +1,43 @@
+// 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_TRANSACTION_FACTORY_H_
+#define CHROME_BROWSER_DEVTOOLS_DEVTOOLS_NETWORK_TRANSACTION_FACTORY_H_
+
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "net/base/request_priority.h"
+#include "net/http/http_transaction_factory.h"
+
+class DevToolsNetworkController;
+
+namespace net {
+class HttpCache;
+class HttpNetworkSession;
+class HttpTransaction;
+}
+
+// NetworkTransactionFactory wraps HttpNetworkTransactions.
+class DevToolsNetworkTransactionFactory : public net::HttpTransactionFactory {
+ public:
+  DevToolsNetworkTransactionFactory(
+      DevToolsNetworkController* controller,
+      net::HttpNetworkSession* session);
+  virtual ~DevToolsNetworkTransactionFactory();
+
+  // net::HttpTransactionFactory methods:
+  virtual int CreateTransaction(
+      net::RequestPriority priority,
+      scoped_ptr<net::HttpTransaction>* trans) OVERRIDE;
+  virtual net::HttpCache* GetCache() OVERRIDE;
+  virtual net::HttpNetworkSession* GetSession() OVERRIDE;
+
+ private:
+  DevToolsNetworkController* controller_;
+  scoped_ptr<net::HttpTransactionFactory> network_layer_;
+
+  DISALLOW_COPY_AND_ASSIGN(DevToolsNetworkTransactionFactory);
+};
+
+#endif  // CHROME_BROWSER_DEVTOOLS_DEVTOOLS_NETWORK_TRANSACTION_FACTORY_H_