Don't use base::MessageLoop::{Quit,QuitClosure} in extensions/, ipc/

extensions/browser/value_store/value_store_frontend_unittest.cc

 // Copyright 2014 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 "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "content/public/test/test_browser_thread.h"
@@ skipping 38 matching lines @@
     storage_->Get(key, base::Bind(&ValueStoreFrontendTest::GetAndWait,
                                   base::Unretained(this), output));
     base::MessageLoop::current()->Run();  // wait for GetAndWait
     return !!output->get();
   }
 
  protected:
   void GetAndWait(scoped_ptr<base::Value>* output,
                   scoped_ptr<base::Value> result) {
     *output = result.Pass();
-    base::MessageLoop::current()->Quit();
+    base::MessageLoop::current()->QuitWhenIdle();
   }
 
   scoped_ptr<ValueStoreFrontend> storage_;
   base::ScopedTempDir temp_dir_;
   base::FilePath db_path_;
   base::MessageLoop message_loop_;
   content::TestBrowserThread ui_thread_;
   content::TestBrowserThread file_thread_;
 };
 
@@ skipping 35 matching lines @@
 
   {
     ASSERT_TRUE(Get("key1", &value));
     std::string result;
     ASSERT_TRUE(value->GetAsString(&result));
     EXPECT_EQ("new1", result);
   }
 
   ASSERT_FALSE(Get("key2", &value));
 }