Convert ProtocolHandlerRegistry to be a ProfileKeyedService.

base/message_loop_unittest.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 <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/compiler_specific.h"
 #include "base/eintr_wrapper.h"
@@ skipping 2036 matching lines @@
   // Post quit task;
   MessageLoop::current()->PostTask(FROM_HERE, base::Bind(
       &MessageLoop::Quit, base::Unretained(MessageLoop::current())));
 
   // Now kick things off
   MessageLoop::current()->Run();
 
   EXPECT_EQ(foo->test_count(), 1);
   EXPECT_EQ(foo->result(), "a");
 }
+
+TEST(MessageLoopTest, IsType) {
+  MessageLoop loop(MessageLoop::TYPE_UI);
+  EXPECT_TRUE(loop.IsType(MessageLoop::TYPE_UI));
+  EXPECT_FALSE(loop.IsType(MessageLoop::TYPE_IO));
+  EXPECT_FALSE(loop.IsType(MessageLoop::TYPE_DEFAULT));
+}