Add a command line flag --v8-proxy-resolver, to select the new PAC implementa...

net/proxy/proxy_service.h

 // Copyright (c) 2006-2008 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 NET_PROXY_PROXY_SERVICE_H_
 #define NET_PROXY_PROXY_SERVICE_H_
 
 #include <deque>
 #include <string>
 
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
 #include "base/thread.h"
 #include "base/waitable_event.h"
 #include "net/base/completion_callback.h"
 #include "net/proxy/proxy_server.h"
 #include "net/proxy/proxy_info.h"
 
 class GURL;
+class URLRequestContext;
 
 namespace net {
 
 class ProxyScriptFetcher;
 class ProxyConfigService;
 class ProxyResolver;
 
 // This class can be used to resolve the proxy server to use when loading a
 // HTTP(S) URL.  It uses the given ProxyResolver to handle the actual proxy
 // resolution.  See ProxyResolverWinHttp for example.
@@ skipping 43 matching lines @@
   // Returns ERR_FAILED if there is not another proxy config to try.
   //
   int ReconsiderProxyAfterError(const GURL& url,
                                 ProxyInfo* results,
                                 CompletionCallback* callback,
                                 PacRequest** pac_request);
 
   // Call this method with a non-null |pac_request| to cancel the PAC request.
   void CancelPacRequest(PacRequest* pac_request);
 
-  // Set the ProxyScriptFetcher dependency. This is needed if the ProxyResolver
+  // Sets the ProxyScriptFetcher dependency. This is needed if the ProxyResolver
   // is of type ProxyResolverWithoutFetch. ProxyService takes ownership of
   // |proxy_script_fetcher|.
   void SetProxyScriptFetcher(ProxyScriptFetcher* proxy_script_fetcher);
 
-  // Create a proxy service using the specified settings. If |pi| is NULL then
+  // Creates a proxy service using the specified settings. If |pi| is NULL then
   // the system's default proxy settings will be used (on Windows this will
   // use IE's settings).
   static ProxyService* Create(const ProxyInfo* pi);
 
-  // Create a proxy service that always fails to fetch the proxy configuration,
+  // Creates a proxy service using the specified settings. If |pi| is NULL then
+  // the system's default proxy settings will be used. This is basically the
+  // same as Create(const ProxyInfo*), however under the hood it uses a
+  // different implementation (V8). |url_request_context| is the URL request
+  // context that will be used if a PAC script needs to be fetched.
+  // ##########################################################################
+  // # See the warnings in net/proxy/proxy_resolver_v8.h describing the
+  // # multi-threading model. In order for this to be safe to use, *ALL* the
+  // # other V8's running in the process must use v8::Locker.
+  // ##########################################################################
+  static ProxyService* CreateUsingV8Resolver(
+      const ProxyInfo* pi,
+      URLRequestContext* url_request_context);
+
+  // Creates a proxy service that always fails to fetch the proxy configuration,
   // so it falls back to direct connect.
   static ProxyService* CreateNull();
 
  private:
   friend class PacRequest;
 
   ProxyResolver* resolver() { return resolver_.get(); }
   base::Thread* pac_thread() { return pac_thread_.get(); }
 
   // Identifies the proxy configuration.
@@ skipping 117 matching lines @@
   base::WaitableEvent event_;
   CompletionCallbackImpl<SyncProxyServiceHelper> callback_;
   ProxyInfo proxy_info_;
   int result_;
 };
 
 }  // namespace net
 
 #endif  // NET_PROXY_PROXY_SERVICE_H_