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

mojo/shell/capability_filter_test.cc

 // Copyright 2015 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 "mojo/shell/capability_filter_test.h"
 
 #include "base/stl_util.h"
 #include "base/strings/stringprintf.h"
 #include "mojo/application/public/cpp/application_connection.h"
 #include "mojo/application/public/cpp/application_impl.h"
@@ skipping 65 matching lines @@
                         const String& service_url) override {
     Validate(base::StringPrintf("C %s %s", app_url.data(), service_url.data()));
   }
 
   void Validate(const std::string& result) {
     DVLOG(1) << "Validate: " << result;
     auto i = expectations_.find(result);
     if (i != expectations_.end()) {
       expectations_.erase(i);
       if (expectations_.empty())
-        loop_->Quit();
+        loop_->QuitWhenIdle();
     } else {
       // This is a test failure, and will result in PrintUnexpectedExpecations()
       // being called.
       unexpected_.insert(result);
-      loop_->Quit();
+      loop_->QuitWhenIdle();
     }
   }
 
   scoped_ptr<ApplicationImpl> app_;
   std::set<std::string> expectations_;
   std::set<std::string> unexpected_;
   base::MessageLoop* loop_;
   WeakBindingSet<Validator> validator_bindings_;
 
   DISALLOW_COPY_AND_ASSIGN(ConnectionValidator);
@@ skipping 221 matching lines @@
 void CapabilityFilterTest::RunTest() {
   loop()->Run();
   EXPECT_TRUE(validator_->expectations_met());
   if (!validator_->expectations_met())
     validator_->PrintUnmetExpectations();
 }
 
 }  // namespace test
 }  // namespace shell
 }  // namespace mojo