Convert ProtocolHandlerRegistry to be a ProfileKeyedService.

net/url_request/url_request.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 "net/url_request/url_request.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
@@ skipping 139 matching lines @@
       identifier_(GenerateURLRequestIdentifier()),
       blocked_on_delegate_(false),
       ALLOW_THIS_IN_INITIALIZER_LIST(before_request_callback_(
           base::Bind(&URLRequest::BeforeRequestComplete,
                      base::Unretained(this)))),
       has_notified_completion_(false),
       creation_time_(base::TimeTicks::Now()) {
   SIMPLE_STATS_COUNTER("URLRequestCount");
 
   // Sanity check out environment.
-  DCHECK(MessageLoop::current()) <<
-      "The current MessageLoop must exist";
-  DCHECK_EQ(MessageLoop::TYPE_IO, MessageLoop::current()->type()) <<
+  DCHECK(MessageLoop::current()) << "The current MessageLoop must exist";
+
+  DCHECK(MessageLoop::current()->IsType(MessageLoop::TYPE_IO)) << ""
       "The current MessageLoop must be TYPE_IO";
 
   CHECK(context);
   context->url_requests()->insert(this);
 
   net_log_.BeginEvent(NetLog::TYPE_REQUEST_ALIVE);
 }
 
 URLRequest::~URLRequest() {
   Cancel();
@@ skipping 731 matching lines @@
       new base::debug::StackTrace(NULL, 0);
   *stack_trace_copy = stack_trace;
   stack_trace_.reset(stack_trace_copy);
 }
 
 const base::debug::StackTrace* URLRequest::stack_trace() const {
   return stack_trace_.get();
 }
 
 }  // namespace net