Run the MessageLoop longer in order to clear out extra DeleteSoon()s.

chrome/browser/extensions/test_extension_environment.cc

Index: chrome/browser/extensions/test_extension_environment.cc
diff --git a/chrome/browser/extensions/test_extension_environment.cc b/chrome/browser/extensions/test_extension_environment.cc
index 5d207de932e33b5dd43fa7e6055d8ffbb2f31af6..4ff5e9377a19bee40a5e91944d9f11868c856ce9 100644
--- a/chrome/browser/extensions/test_extension_environment.cc
+++ b/chrome/browser/extensions/test_extension_environment.cc
@@ -38,9 +38,7 @@ TestExtensionEnvironment::~TestExtensionEnvironment() {
   profile_.reset();
   // Delete the profile, and then cycle the message loop to clear
   // out delayed deletions.
-  base::RunLoop run_loop;
-  loop_.PostTask(FROM_HERE, run_loop.QuitClosure());
-  run_loop.Run();
+  base::RunLoop().RunUntilIdle();
 }
 
 TestingProfile* TestExtensionEnvironment::profile() const {