- Added support for keeping track of load times....

base/time.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 "base/time.h"
 #include "base/string_util.h"
 #include "base/sys_string_conversions.h"
 #include "base/third_party/nspr/prtime.h"
 
 #include "base/logging.h"
@@ skipping 42 matching lines @@
     return Time();  // Preserve 0 so we can tell it doesn't exist.
   return (tt * kMicrosecondsPerSecond) + kTimeTToMicrosecondsOffset;
 }
 
 time_t Time::ToTimeT() const {
   if (us_ == 0)
     return 0;  // Preserve 0 so we can tell it doesn't exist.
   return (us_ - kTimeTToMicrosecondsOffset) / kMicrosecondsPerSecond;
 }
 
+// static
+Time Time::FromDoubleT(double dt) {
+  return (dt * static_cast<double>(kMicrosecondsPerSecond)) +
+      kTimeTToMicrosecondsOffset;
+}
+
 double Time::ToDoubleT() const {
   if (us_ == 0)
     return 0;  // Preserve 0 so we can tell it doesn't exist.
   return (static_cast<double>(us_ - kTimeTToMicrosecondsOffset) /
           static_cast<double>(kMicrosecondsPerSecond));
 }
 
 Time Time::LocalMidnight() const {
   Exploded exploded;
   LocalExplode(&exploded);
@@ skipping 14 matching lines @@
   PRStatus result = PR_ParseTimeString(ascii_time_string.c_str(), PR_FALSE,
                                        &result_time);
   if (PR_SUCCESS != result)
     return false;
   result_time += kTimeTToMicrosecondsOffset;
   *parsed_time = Time(result_time);
   return true;
 }
 
 }  // namespace base