Use string for Histogram names since these are all ASCII anyway wide-characte...

chrome/browser/history/text_database_manager.cc

 // Copyright (c) 2006-2008 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/history/text_database_manager.h"
 
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
 #include "base/histogram.h"
 #include "base/logging.h"
@@ skipping 291 matching lines @@
     if (!visit_database_->UpdateVisitRow(visits[our_visit_row_index]))
       return false;
   }
 
   // Now index the data.
   std::string url_str = URLDatabase::GURLToDatabaseURL(url);
   bool success = db->AddPageData(visit_time, url_str,
                                  ConvertStringForIndexer(title),
                                  ConvertStringForIndexer(body));
 
-  HISTOGRAM_TIMES(L"History.AddFTSData",
+  HISTOGRAM_TIMES("History.AddFTSData",
                   TimeTicks::Now() - beginning_time);
 
   if (history_publisher_)
     history_publisher_->PublishPageContent(visit_time, url, title, body);
 
   return success;
 }
 
 void TextDatabaseManager::DeletePageData(Time time, const GURL& url,
                                          ChangeSet* change_set) {
@@ skipping 216 matching lines @@
   while (i != recent_changes_.rend() && i->second.Expired(now)) {
     AddPageData(i->first, i->second.url_id(), i->second.visit_id(),
                 i->second.visit_time(), i->second.title(), i->second.body());
     i = recent_changes_.Erase(i);
   }
 
   ScheduleFlushOldChanges();
 }
 
 }  // namespace history
-