Fixed loader issue in unit tests caused by some test not using that mock and ...

chrome/browser/chromeos/login/google_authenticator_unittest.cc

Index: chrome/browser/chromeos/login/google_authenticator_unittest.cc
===================================================================
--- chrome/browser/chromeos/login/google_authenticator_unittest.cc	(revision 42415)
+++ chrome/browser/chromeos/login/google_authenticator_unittest.cc	(working copy)
@@ -67,6 +67,11 @@
 
   // Tears down the test fixture.
   virtual void TearDown() {
+    // Prevent bogus gMock leak check from firing.
+    chromeos::CrosLibrary::TestApi* test_api =
+        chromeos::CrosLibrary::Get()->GetTestApi();
+    test_api->SetLibraryLoader(NULL);
+    test_api->SetCryptohomeLibrary(NULL);
   }
 
   unsigned char fake_hash_[32];