Moving proxy resolution logic out of NetworkDelegate and into ProxyDelegate for DataReductionProxy

net/proxy/proxy_service.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 NET_PROXY_PROXY_SERVICE_H_
 #define NET_PROXY_PROXY_SERVICE_H_
 
 #include <stddef.h>
 
 #include <set>
@@ skipping 19 matching lines @@
 
 namespace base {
 class SingleThreadTaskRunner;
 class TimeDelta;
 }  // namespace base
 
 namespace net {
 
 class DhcpProxyScriptFetcher;
 class HostResolver;
-class NetworkDelegate;
+class ProxyDelegate;
 class ProxyResolver;
 class ProxyResolverFactory;
 class ProxyResolverScriptData;
 class ProxyScriptDecider;
 class ProxyScriptFetcher;
 
 // 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 ProxyResolverV8 for example.
 class NET_EXPORT ProxyService : public NetworkChangeNotifier::IPAddressObserver,
@@ skipping 73 matching lines @@
   //   1.  WPAD auto-detection
   //   2.  PAC URL
   //   3.  named proxy
   //
   // Profiling information for the request is saved to |net_log| if non-NULL.
   int ResolveProxy(const GURL& url,
                    int load_flags,
                    ProxyInfo* results,
                    const CompletionCallback& callback,
                    PacRequest** pac_request,
-                   NetworkDelegate* network_delegate,
+                   ProxyDelegate* proxy_delegate,
                    const BoundNetLog& net_log);
 
   // Returns true if the proxy information could be determined without spawning
   // an asynchronous task.  Otherwise, |result| is unmodified.
   bool TryResolveProxySynchronously(const GURL& raw_url,
                                     int load_flags,
                                     ProxyInfo* result,
-                                    NetworkDelegate* network_delegate,
+                                    ProxyDelegate* proxy_delegate,
                                     const BoundNetLog& net_log);
 
   // This method is called after a failure to connect or resolve a host name.
   // It gives the proxy service an opportunity to reconsider the proxy to use.
   // The |results| parameter contains the results returned by an earlier call
   // to ResolveProxy.  The |net_error| parameter contains the network error
   // code associated with the failure. See "net/base/net_error_list.h" for a
   // list of possible values. The semantics of this call are otherwise
   // similar to ResolveProxy.
   //
   // NULL can be passed for |pac_request| if the caller will not need to
   // cancel the request.
   //
   // Returns ERR_FAILED if there is not another proxy config to try.
   //
   // Profiling information for the request is saved to |net_log| if non-NULL.
   int ReconsiderProxyAfterError(const GURL& url,
                                 int load_flags,
                                 int net_error,
                                 ProxyInfo* results,
                                 const CompletionCallback& callback,
                                 PacRequest** pac_request,
-                                NetworkDelegate* network_delegate,
+                                ProxyDelegate* proxy_delegate,
                                 const BoundNetLog& net_log);
 
   // Explicitly trigger proxy fallback for the given |results| by updating our
   // list of bad proxies to include the first entry of |results|, and,
   // additional bad proxies (can be none). Will retry after |retry_delay| if
   // positive, and will use the default proxy retry duration otherwise. Proxies
   // marked as bad will not be retried until |retry_delay| has passed. Returns
   // true if there will be at least one proxy remaining in the list after
   // fallback and false otherwise. This method should be used to add proxies to
   // the bad proxy list only for reasons other than a network error. If a proxy
   // needs to be added to the bad proxy list because a network error was
   // encountered when trying to connect to it, use |ReconsiderProxyAfterError|.
   bool MarkProxiesAsBadUntil(
       const ProxyInfo& results,
       base::TimeDelta retry_delay,
       const std::vector<ProxyServer>& additional_bad_proxies,
       const BoundNetLog& net_log);
 
   // Called to report that the last proxy connection succeeded.  If |proxy_info|
   // has a non empty proxy_retry_info map, the proxies that have been tried (and
-  // failed) for this request will be marked as bad. |network_delegate| will
+  // failed) for this request will be marked as bad. |proxy_delegate| will
   // be notified of any proxy fallbacks.
   void ReportSuccess(const ProxyInfo& proxy_info,
-                     NetworkDelegate* network_delegate);
+                     ProxyDelegate* proxy_delegate);
 
   // Call this method with a non-null |pac_request| to cancel the PAC request.
   void CancelPacRequest(PacRequest* pac_request);
 
   // Returns the LoadState for this |pac_request| which must be non-NULL.
   LoadState GetLoadState(const PacRequest* pac_request) const;
 
   // Sets the ProxyScriptFetcher and DhcpProxyScriptFetcher dependencies. This
   // is needed if the ProxyResolver is of type ProxyResolverWithoutFetch.
   // ProxyService takes ownership of proxy_script_fetcher.
@@ skipping 119 matching lines @@
 
   // Callback for when the proxy resolver has been initialized with a
   // PAC script.
   void OnInitProxyResolverComplete(int result);
 
   // Returns ERR_IO_PENDING if the request cannot be completed synchronously.
   // Otherwise it fills |result| with the proxy information for |url|.
   // Completing synchronously means we don't need to query ProxyResolver.
   int TryToCompleteSynchronously(const GURL& url,
                                  int load_flags,
-                                 NetworkDelegate* network_delegate,
+                                 ProxyDelegate* proxy_delegate,
                                  ProxyInfo* result);
 
   // Identical to ResolveProxy, except that |callback| is permitted to be null.
   // if |callback.is_null()|, this function becomes a thin wrapper around
   // |TryToCompleteSynchronously|.
   int ResolveProxyHelper(const GURL& url,
                          int load_flags,
                          ProxyInfo* results,
                          const CompletionCallback& callback,
                          PacRequest** pac_request,
-                         NetworkDelegate* network_delegate,
+                         ProxyDelegate* proxy_delegate,
                          const BoundNetLog& net_log);
 
   // Cancels all of the requests sent to the ProxyResolver. These will be
   // restarted when calling SetReady().
   void SuspendAllPendingRequests();
 
   // Advances the current state to |STATE_READY|, and resumes any pending
   // requests which had been stalled waiting for initialization to complete.
   void SetReady();
 
   // Returns true if |pending_requests_| contains |req|.
   bool ContainsPendingRequest(PacRequest* req);
 
   // Removes |req| from the list of pending requests.
   void RemovePendingRequest(PacRequest* req);
 
   // Called when proxy resolution has completed (either synchronously or
   // asynchronously). Handles logging the result, and cleaning out
   // bad entries from the results list.
   int DidFinishResolvingProxy(const GURL& url,
                               int load_flags,
-                              NetworkDelegate* network_delegate,
+                              ProxyDelegate* proxy_delegate,
                               ProxyInfo* result,
                               int result_code,
                               const BoundNetLog& net_log,
                               base::TimeTicks start_time,
                               bool script_executed);
 
   // Start initialization using |fetched_config_|.
   void InitializeUsingLastFetchedConfig();
 
   // Start the initialization skipping past the "decision" phase.
@@ skipping 77 matching lines @@
 
   // Whether child ProxyScriptDeciders should use QuickCheck
   bool quick_check_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(ProxyService);
 };
 
 }  // namespace net
 
 #endif  // NET_PROXY_PROXY_SERVICE_H_