Add Finch experiment for selectively bypassing proxies.

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 <string>
 #include <vector>
 
@@ skipping 106 matching lines @@
   //
   // We use the three possible proxy access types in the following order,
   // doing fallback if one doesn't work.  See "pac_script_decider.h"
   // for the specifics.
   //   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 net::CompletionCallback& callback,
                    PacRequest** pac_request,
+                   NetworkDelegate* network_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,
                                 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,
   // optionally, another bad proxy. 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.
   bool MarkProxiesAsBadUntil(const ProxyInfo& results,
@@ skipping 183 matching lines @@
   // starts initializing for it.
   void ApplyProxyConfigIfAvailable();
 
   // 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, ProxyInfo* result);
+  int TryToCompleteSynchronously(const GURL& url,
+                                 int load_flags,
+                                 NetworkDelegate* network_delegate,
+                                 ProxyInfo* result);
 
   // 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(ProxyInfo* result,
+  int DidFinishResolvingProxy(const GURL& url,
+                              int load_flags,
+                              NetworkDelegate* network_delegate,
+                              ProxyInfo* result,
                               int result_code,
                               const BoundNetLog& net_log);
 
   // Start initialization using |fetched_config_|.
   void InitializeUsingLastFetchedConfig();
 
   // Start the initialization skipping past the "decision" phase.
   void InitializeUsingDecidedConfig(
       int decider_result,
       ProxyResolverScriptData* script_data,
@@ skipping 109 matching lines @@
 
   base::WaitableEvent event_;
   CompletionCallback callback_;
   ProxyInfo proxy_info_;
   int result_;
 };
 
 }  // namespace net
 
 #endif  // NET_PROXY_PROXY_SERVICE_H_