[Predictor CleanUp] Remove unused variables from Predictor class APIs.

chrome/browser/profiles/profile_impl.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/profiles/profile_impl.h"
 
 #include <stddef.h>
 #include <utility>
 #include <vector>
 
@@ skipping 901 matching lines @@
         prefs_.get(), CreateExtensionPrefStore(this, true)));
   }
   return otr_prefs_.get();
 }
 
 net::URLRequestContextGetter* ProfileImpl::CreateRequestContext(
     content::ProtocolHandlerMap* protocol_handlers,
     content::URLRequestInterceptorScopedVector request_interceptors) {
   return io_data_.CreateMainRequestContextGetter(
                      protocol_handlers, std::move(request_interceptors),
-                     g_browser_process->local_state(),
                      g_browser_process->io_thread())
       .get();
 }
 
 net::URLRequestContextGetter* ProfileImpl::GetRequestContext() {
   return GetDefaultStoragePartition(this)->GetURLRequestContext();
 }
 
 net::URLRequestContextGetter* ProfileImpl::GetRequestContextForRenderProcess(
     int renderer_child_id) {
@@ skipping 346 matching lines @@
 ProfileImpl::CreateDomainReliabilityMonitor(PrefService* local_state) {
   domain_reliability::DomainReliabilityService* service =
       domain_reliability::DomainReliabilityServiceFactory::GetInstance()->
           GetForBrowserContext(this);
   if (!service)
     return scoped_ptr<domain_reliability::DomainReliabilityMonitor>();
 
   return service->CreateMonitor(
       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
 }