Removing last usage of default request context. Fixing up login_utils to not need it by allowing ac…

chrome/browser/profiles/profile_impl.cc

Index: chrome/browser/profiles/profile_impl.cc
===================================================================
--- chrome/browser/profiles/profile_impl.cc	(revision 145957)
+++ chrome/browser/profiles/profile_impl.cc	(working copy)
@@ -513,11 +513,6 @@
   ChromePluginServiceFilter::GetInstance()->UnregisterResourceContext(
       io_data_.GetResourceContextNoInit());
 
-  if (io_data_.HasMainRequestContext() &&
-      default_request_context_ == GetRequestContext()) {
-    default_request_context_ = NULL;
-  }
-
   // Destroy OTR profile and its profile services first.
   if (off_the_record_profile_.get()) {
     ProfileDestroyer::DestroyOffTheRecordProfileNow(
@@ -703,15 +698,7 @@
 }
 
 net::URLRequestContextGetter* ProfileImpl::GetRequestContext() {
-  net::URLRequestContextGetter* request_context =
-      io_data_.GetMainRequestContextGetter();
-  // The first request context is always a normal (non-OTR) request context.
-  // Even when Chromium is started in OTR mode, a normal profile is always
-  // created first.
-  if (!default_request_context_)
-    default_request_context_ = request_context;
-
-  return request_context;
+  return io_data_.GetMainRequestContextGetter();
 }
 
 net::URLRequestContextGetter* ProfileImpl::GetRequestContextForRenderProcess(