Add option for not adding '.0' to the end of doubles that have no fractional

chrome/test/webdriver/webdriver_logging.cc

 // 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/test/webdriver/webdriver_logging.h"
 
 #include <cmath>
 
 #include "base/file_path.h"
 #include "base/file_util.h"
@@ skipping 138 matching lines @@
 const FilePath& FileLog::path() const {
   return path_;
 }
 
 InMemoryLog::InMemoryLog() { }
 
 InMemoryLog::~InMemoryLog() {  }
 
 void InMemoryLog::Log(LogLevel level, const base::Time& time,
                       const std::string& message) {
-  // base's JSONWriter doesn't obey the spec, and writes
-  // doubles without a fraction with a '.0' postfix. base's Value class
-  // only includes doubles or int types. Instead of returning the timestamp
-  // in unix epoch time, we return it based on the start of chromedriver so
-  // a 32-bit int doesn't overflow.
-  // TODO(kkania): Add int64_t to base Values or fix the JSONWriter/Reader and
-  // use unix epoch time.
-  base::TimeDelta delta(time - base::Time::FromDoubleT(start_time));
+  base::TimeDelta delta = time - base::Time::UnixEpoch();
   DictionaryValue* entry = new DictionaryValue();
   entry->SetInteger("level", level);
-  entry->SetInteger("timestamp", delta.InMilliseconds());
+  entry->SetDouble("timestamp", std::floor(delta.InMillisecondsF()));
   entry->SetString("message", message);
   base::AutoLock auto_lock(entries_lock_);
   entries_list_.Append(entry);
 }
 
 const ListValue* InMemoryLog::entries_list() const {
   return &entries_list_;
 }
 
 Logger::Logger() : min_log_level_(kAllLogLevel) { }
@@ skipping 43 matching lines @@
     log = FileLog::CreateFileLog(FILE_PATH_LITERAL("chromedriver.log"),
                                  min_log_level);
   } else {
     log = new FileLog(log_path, min_log_level);
   }
   FileLog::SetGlobalLog(log);
   return log->IsOpen();
 }
 
 }  // namespace webdriver