Add Finch experiment for selectively bypassing proxies.

chrome/browser/net/chrome_network_delegate.cc

 // 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.
 
 #include "chrome/browser/net/chrome_network_delegate.h"
 
 #include <stdlib.h>
 
 #include <vector>
 
@@ skipping 456 matching lines @@
 
   if (force_safe_search && rv == net::OK && new_url->is_empty())
     ForceGoogleSafeSearch(request, new_url);
 
   if (connect_interceptor_)
     connect_interceptor_->WitnessURLRequest(request);
 
   return rv;
 }
 
+void ChromeNetworkDelegate::OnResolveProxy(
+    const GURL& url, int load_flags, net::ProxyInfo* result) {
+  if (!on_resolve_proxy_handler_.is_null()) {
+    on_resolve_proxy_handler_.Run(url, load_flags,
+                                  data_reduction_proxy_params_, result);
+  }
+}
+
 int ChromeNetworkDelegate::OnBeforeSendHeaders(
     net::URLRequest* request,
     const net::CompletionCallback& callback,
     net::HttpRequestHeaders* headers) {
   TRACE_EVENT_ASYNC_STEP_PAST0("net", "URLRequest", request, "SendRequest");
   return extensions_delegate_->OnBeforeSendHeaders(request, callback, headers);
 }
 
 void ChromeNetworkDelegate::OnBeforeSendProxyHeaders(
     net::URLRequest* request,
@@ skipping 337 matching lines @@
     data_reduction_proxy::DataReductionProxyRequestType request_type) {
   DCHECK_GE(received_content_length, 0);
   DCHECK_GE(original_content_length, 0);
   StoreAccumulatedContentLength(received_content_length,
                                 original_content_length,
                                 request_type,
                                 reinterpret_cast<Profile*>(profile_));
   received_content_length_ += received_content_length;
   original_content_length_ += original_content_length;
 }