Remove the restriction that ChromeURLRequestContextGetter needs to be release...

chrome/browser/external_tab_container.cc

 // Copyright (c) 2006-2008 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/external_tab_container.h"
 
 #include <string>
 
 #include "app/l10n_util.h"
 #include "app/win_util.h"
@@ skipping 154 matching lines @@
 
     NotificationService::current()->Notify(
         NotificationType::EXTERNAL_TAB_CLOSED,
         Source<NavigationController>(&tab_contents_->controller()),
         Details<ExternalTabContainer>(this));
 
     delete tab_contents_;
     tab_contents_ = NULL;
   }
 
-  if (request_context_.get()) {
-    AutomationRequestContext::CleanupRequestContext(
-        request_context_.release());
-  }
+  request_context_ = NULL;
 }
 
 bool ExternalTabContainer::Reinitialize(
     AutomationProvider* automation_provider,
     AutomationResourceMessageFilter* filter) {
   if (!automation_provider || !filter) {
     NOTREACHED();
     return false;
   }
 
@@ skipping 503 matching lines @@
     automation_->Send(new AutomationMsg_RequestGoToHistoryEntryOffset(
         0, tab_handle_, offset));
     return false;
   }
 
   return true;
 }
 
 void ExternalTabContainer::InitializeAutomationRequestContext(
     int tab_handle) {
-  if (request_context_.get()) {
-    AutomationRequestContext::CleanupRequestContext(
-        request_context_.release());
-  }
-
   request_context_ =
       AutomationRequestContext::CreateAutomationURLRequestContextForTab(
           tab_handle, tab_contents_->profile(),
           automation_resource_message_filter_);
 
   DCHECK(request_context_.get() != NULL);
   tab_contents_->set_request_context(request_context_.get());
 }