Fix of unused variable warnings related to DHISTOGRAM* in release builds.

    
Make DHISTOGRAM* keep a mention of passed variables.
Add Histogram::DebugNow() for use in DHISTOGRAM* as a start_time.


BUG=87490
TEST=None


Review URL: http://codereview.chromium.org/8225001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@105722 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 5 insertions, 5 deletions

diff --git a/chrome/browser/spellchecker/spellchecker_mac.mm b/chrome/browser/spellchecker/spellchecker_mac.mm
index fa9c049..a9dcc73 100644
--- a/chrome/browser/spellchecker/spellchecker_mac.mm
+++ b/chrome/browser/spellchecker/spellchecker_mac.mm
@@ -1,4 +1,4 @@
-// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -245,12 +245,12 @@ bool CheckSpelling(const string16& word_to_check, int tag) {
 void FillSuggestionList(const string16& wrong_word,
                         std::vector<string16>* optional_suggestions) {
   NSString* NS_wrong_word = base::SysUTF16ToNSString(wrong_word);
-  TimeTicks begin_time = TimeTicks::Now();
+  TimeTicks debug_begin_time = base::Histogram::DebugNow();
   // The suggested words for |wrong_word|.
   NSArray* guesses =
       [[NSSpellChecker sharedSpellChecker] guessesForWord:NS_wrong_word];
   DHISTOGRAM_TIMES("Spellcheck.SuggestTime",
-                   TimeTicks::Now() - begin_time);
+                   base::Histogram::DebugNow() - debug_begin_time);
 
   for (int i = 0; i < static_cast<int>([guesses count]); i++) {
     if (i < SpellCheckCommon::kMaxSuggestions) {
diff --git a/chrome/renderer/spellchecker/spellcheck.cc b/chrome/renderer/spellchecker/spellcheck.cc
index fb87366..952c2a7 100644
--- a/chrome/renderer/spellchecker/spellcheck.cc
+++ b/chrome/renderer/spellchecker/spellcheck.cc
@@ -195,7 +195,7 @@ void SpellCheck::InitializeHunspell() {
   bdict_file_.reset(new file_util::MemoryMappedFile);
 
   if (bdict_file_->Initialize(file_)) {
-    TimeTicks start_time = TimeTicks::Now();
+    TimeTicks debug_start_time = base::Histogram::DebugNow();
 
     hunspell_.reset(
         new Hunspell(bdict_file_->data(), bdict_file_->length()));
@@ -207,7 +207,7 @@ void SpellCheck::InitializeHunspell() {
     }
 
     DHISTOGRAM_TIMES("Spellcheck.InitTime",
-                     TimeTicks::Now() - start_time);
+                     base::Histogram::DebugNow() - debug_start_time);
   } else {
     NOTREACHED() << "Could not mmap spellchecker dictionary.";
   }