When using the week-of-year syntax, don't construct an intermediate time value when formatting; use…

content/renderer/date_time_formatter.cc

 // Copyright (c) 2013 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 "content/renderer/date_time_formatter.h"
 
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "third_party/WebKit/public/platform/WebCString.h"
 #include "third_party/WebKit/public/web/WebDateTimeChooserParams.h"
@@ skipping 112 matching lines @@
       calendar.set(UCAL_YEAR_WOY, week_year_);
       calendar.set(UCAL_WEEK_OF_YEAR, week_);
     } else {
       calendar.set(UCAL_YEAR, year_);
       calendar.set(UCAL_MONTH, month_);
       calendar.set(UCAL_DATE, day_);
       calendar.set(UCAL_HOUR_OF_DAY, hour_);
       calendar.set(UCAL_MINUTE, minute_);
       calendar.set(UCAL_SECOND, second_);
     }
-    UDate time = calendar.getTime(success);
     icu::SimpleDateFormat formatter(*pattern_, success);
     icu::UnicodeString formatted_time;
-    formatter.format(time, formatted_time, success);
+    formatter.format(calendar, formatted_time, NULL, success);
     UTF16ToUTF8(formatted_time.getBuffer(),
                 static_cast<size_t>(formatted_time.length()),
                 &result);
     if (success <= U_ZERO_ERROR)
       return result;
   }
   LOG(WARNING) << "Calendar not created: error " <<  success;
   return std::string();
 }
 
@@ skipping 72 matching lines @@
   month_ = 0;
   day_ = 0;
   hour_ = 0;
   minute_ = 0;
   second_ = 0;
   week_year_ = 0;
   week_ = 0;
 }
 
 }  // namespace content