Allow hostnames in socket.connect().

chrome/browser/extensions/api/socket/socket_api.h

 // Copyright (c) 2012 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_EXTENSIONS_API_SOCKET_SOCKET_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_SOCKET_SOCKET_API_H_
 #pragma once
 
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/extensions/api/api_function.h"
 #include "chrome/common/extensions/api/experimental_socket.h"
+#include "net/base/address_list.h"
+#include "net/base/host_resolver.h"
 
 #include <string>
 
 namespace net {
 class IOBuffer;
 }
 
+class IOThread;
+
 namespace extensions {
 
 class APIResourceController;
 class APIResourceEventNotifier;
 
 class SocketExtensionFunction : public AsyncAPIFunction {
  protected:
   virtual ~SocketExtensionFunction() {}
 
   // AsyncAPIFunction:
@@ skipping 44 matching lines @@
   virtual void Work() OVERRIDE;
 
  private:
   int socket_id_;
 };
 
 class SocketConnectFunction : public SocketExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION_NAME("experimental.socket.connect")
 
+  SocketConnectFunction();
+
  protected:
-  virtual ~SocketConnectFunction() {}
+  virtual ~SocketConnectFunction();
 
   // AsyncAPIFunction:
   virtual bool Prepare() OVERRIDE;
   virtual void AsyncWorkStart() OVERRIDE;
-  void OnCompleted(int result);
 
  private:
+  void StartDnsLookup();
+  void OnDnsLookup(int resolve_result);
+  void StartConnect();
+  void OnConnect(int result);
+
   int socket_id_;
-  std::string address_;
+  std::string hostname_;
+  std::string resolved_address_;
   int port_;
+
+  // This instance is widely available through BrowserProcess, but we need to
+  // acquire it on the UI thread and then use it on the IO thread, so we keep a
+  // plain pointer to it here as we move from thread to thread.
+  IOThread* io_thread_;
+
+  scoped_ptr<net::HostResolver::RequestHandle> request_handle_;
+  scoped_ptr<net::AddressList> addresses_;
 };
 
 class SocketDisconnectFunction : public SocketExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION_NAME("experimental.socket.disconnect")
 
  protected:
   virtual ~SocketDisconnectFunction() {}
 
   // AsyncAPIFunction:
@@ skipping 132 matching lines @@
   virtual bool Prepare() OVERRIDE;
   virtual void Work() OVERRIDE;
 
  private:
   scoped_ptr<api::experimental_socket::SetNoDelay::Params> params_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_SOCKET_SOCKET_API_H_