Fix OS_MACOS typos. Should be OS_MACOSX.

chrome/browser/autofill/autofill_browsertest.cc

 // Copyright (c) 2012 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 <string>
 
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 703 matching lines @@
            "<label for=\"phone\">Phone number:</label>"
            " <input type=\"text\" id=\"phone\"><br>"
            "</form>")));
 
   // Invoke Autofill.
   TryBasicFormFill();
   ExpectFieldValue("state_freeform", "");
 }
 
 // http://crbug.com/150084
-#if defined(OS_MAC)
+#if defined(OS_MACOSX)
 #define MAYBE_AutofillFormWithNonAutofillableField \
     AutofillFormWithNonAutofillableField
 #else
 #define MAYBE_AutofillFormWithNonAutofillableField \
     DISABLED_AutofillFormWithNonAutofillableField
 #endif
 
 // Test that we properly autofill forms with non-autofillable fields.
 IN_PROC_BROWSER_TEST_F(AutofillTest,
                        MAYBE_AutofillFormWithNonAutofillableField) {
@@ skipping 954 matching lines @@
 // TODO(isherman): this looks redundant, consider removing.
 // DISABLED: http://crbug.com/150084
 IN_PROC_BROWSER_TEST_F(AutofillTest,
                        DISABLED_MergeAggregatedDuplicatedProfiles) {
   int num_of_profiles =
       AggregateProfilesIntoAutofillPrefs("dataset_no_address.txt");
 
   ASSERT_GT(num_of_profiles,
             static_cast<int>(personal_data_manager()->GetProfiles().size()));
 }