Add LOCAL_ prefix to non-UMA histogram macros.

chrome/browser/spellchecker/spellcheck_platform_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.
 
 // Integration with OS X native spellchecker.
 
 #include "chrome/browser/spellchecker/spellcheck_platform_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/logging.h"
 #include "base/mac/foundation_util.h"
 #include "base/mac/scoped_nsexception_enabler.h"
-#include "base/metrics/histogram.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/time/time.h"
 #include "chrome/common/spellcheck_common.h"
 #include "chrome/common/spellcheck_messages.h"
 #include "chrome/common/spellcheck_result.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "content/public/browser/browser_thread.h"
 
 using base::TimeTicks;
 using content::BrowserMessageFilter;
@@ skipping 163 matching lines @@
 
   // If the length of the misspelled word == 0,
   // then there is no misspelled word.
   bool word_correct = (spell_range.length == 0);
   return word_correct;
 }
 
 void FillSuggestionList(const base::string16& wrong_word,
                         std::vector<base::string16>* optional_suggestions) {
   NSString* NS_wrong_word = base::SysUTF16ToNSString(wrong_word);
-  TimeTicks debug_begin_time = base::Histogram::DebugNow();
   // The suggested words for |wrong_word|.
   NSArray* guesses = [SharedSpellChecker() guessesForWord:NS_wrong_word];
-  DHISTOGRAM_TIMES("Spellcheck.SuggestTime",
-                   base::Histogram::DebugNow() - debug_begin_time);
-
   for (int i = 0; i < static_cast<int>([guesses count]); ++i) {
     if (i < chrome::spellcheck_common::kMaxSuggestions) {
       optional_suggestions->push_back(base::SysNSStringToUTF16(
                                       [guesses objectAtIndex:i]));
     }
   }
 }
 
 void AddWord(const base::string16& word) {
     NSString* word_to_add = base::SysUTF16ToNSString(word);
@@ skipping 81 matching lines @@
 
 ScopedEnglishLanguageForTest::ScopedEnglishLanguageForTest()
     : state_(new SpellcheckerStateInternal) {
 }
 
 ScopedEnglishLanguageForTest::~ScopedEnglishLanguageForTest() {
   delete state_;
 }
 
 }  // namespace spellcheck_mac