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

chrome/browser/spellchecker/spellcheck_platform_mac_unittest.cc

 // Copyright (c) 2011 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 "chrome/browser/spellchecker/spellcheck_platform.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 14 matching lines @@
     content::RunMessageLoop();
   }
 
   std::vector<SpellCheckResult> results_;
   spellcheck_platform::TextCheckCompleteCallback callback_;
   bool callback_finished_;
 
  private:
   void QuitMessageLoop() {
     CHECK(base::MessageLoop::current() == &message_loop_);
-    base::MessageLoop::current()->Quit();
+    base::MessageLoop::current()->QuitWhenIdle();
   }
 
   void CompletionCallback(const std::vector<SpellCheckResult>& results) {
     results_ = results;
     callback_finished_ = true;
     message_loop_.PostTask(FROM_HERE, base::Bind(
                              &SpellcheckPlatformMacTest::QuitMessageLoop,
                              base::Unretained(this)));
   }
 
@@ skipping 337 matching lines @@
 // RequestTextCheck results.
 TEST_F(SpellcheckPlatformMacTest, SpellCheckIgnoresOrthography)  {
   base::string16 test_string(base::ASCIIToUTF16("Icland is awesome."));
   spellcheck_platform::RequestTextCheck(0, test_string, callback_);
   WaitForCallback();
   EXPECT_TRUE(callback_finished_);
   EXPECT_EQ(1U, results_.size());
 }
 
 }  // namespace