Disable enforced throttling for URL requests....

net/url_request/url_request_http_job.cc

 // Copyright (c) 2010 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 "net/url_request/url_request_http_job.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
@@ skipping 201 matching lines @@
     rv = transaction_->RestartWithAuth(username_, password_, &start_callback_);
     username_.clear();
     password_.clear();
   } else {
     DCHECK(request_->context());
     DCHECK(request_->context()->http_transaction_factory());
 
     rv = request_->context()->http_transaction_factory()->CreateTransaction(
         &transaction_);
     if (rv == OK) {
-      if (!throttling_entry_->IsDuringExponentialBackoff() ||
-          !net::URLRequestThrottlerManager::GetInstance()->
-              enforce_throttling()) {
-        rv = transaction_->Start(
-            &request_info_, &start_callback_, request_->net_log());
-      } else {
-        // Special error code for the exponential back-off module.
-        rv = ERR_TEMPORARILY_THROTTLED;
-      }
+      rv = transaction_->Start(
+          &request_info_, &start_callback_, request_->net_log());
       // Make sure the context is alive for the duration of the
       // transaction.
       context_ = request_->context();
     }
   }
 
   if (rv == ERR_IO_PENDING)
     return;
 
   // The transaction started synchronously, but we need to notify the
@@ skipping 720 matching lines @@
     // At shutdown time, care is taken to be sure that we don't delete this
     // globally useful instance "too soon," so this check is just defensive
     // coding to assure that IF the system is shutting down, we don't have any
     // problem if the manager was deleted ahead of time.
     if (manager)  // Defensive programming.
       manager->FetchDictionary(request_info_.url, sdch_dictionary_url_);
   }
 }
 
 }  // namespace net