Add LOCAL_ prefix to non-UMA histogram macros.

chrome/browser/chrome_browser_main_mac.mm

 // 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 "chrome/browser/chrome_browser_main_mac.h"
 
 #import <Cocoa/Cocoa.h>
 #include <sys/sysctl.h>
 
 #include "apps/app_shim/app_shim_host_manager_mac.h"
@@ skipping 119 matching lines @@
 
   // If it's not any of the expected OS versions or later than them, it must
   // be prehistoric.
   return cpu64_known ? (cpu64 ? SABER_TOOTHED_CAT_64 : SABER_TOOTHED_CAT_32) :
                        SABER_TOOTHED_CAT_DUNNO;
 }
 
 void RecordCatSixtyFour() {
   CatSixtyFour cat_sixty_four = CatSixtyFourValue();
 
-  // Set this higher than the highest value in the CatSixtyFour enum to
-  // provide some headroom and then leave it alone. See HISTOGRAM_ENUMERATION
-  // in base/metrics/histogram.h.
+  // Set this higher than the highest value in the CatSixtyFour enum to provide
+  // some headroom and then leave it alone. See UMA_HISTOGRAM_ENUMERATION in
+  // base/metrics/histogram.h.
   const int kMaxCatsAndSixtyFours = 32;
   COMPILE_ASSERT(kMaxCatsAndSixtyFours >= CAT_SIXTY_FOUR_MAX,
                  CatSixtyFour_enum_grew_too_large);
 
   UMA_HISTOGRAM_ENUMERATION("OSX.CatSixtyFour",
                             cat_sixty_four,
                             kMaxCatsAndSixtyFours);
 }
 
 }  // namespace
@@ skipping 129 matching lines @@
       MacStartupProfiler::POST_PROFILE_INIT);
   ChromeBrowserMainPartsPosix::PostProfileInit();
   g_browser_process->metrics_service()->RecordBreakpadRegistration(
       breakpad::IsCrashReporterEnabled());
 }
 
 void ChromeBrowserMainPartsMac::DidEndMainMessageLoop() {
   AppController* appController = [NSApp delegate];
   [appController didEndMainMessageLoop];
 }