Revert "Pull chromium at 2c3ffb2355a27c32f45e508ef861416b820c823b"

base/time/time.h

 // 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.
 
 // Time represents an absolute point in coordinated universal time (UTC),
 // internally represented as microseconds (s/1,000,000) since the Windows epoch
 // (1601-01-01 00:00:00 UTC) (See http://crbug.com/14734).  System-dependent
 // clock interface routines are defined in time_PLATFORM.cc.
 //
 // TimeDelta represents a duration of time, internally represented in
@@ skipping 160 matching lines @@
     return *this;
   }
   TimeDelta& operator/=(int64 a) {
     delta_ /= a;
     return *this;
   }
   int64 operator/(TimeDelta a) const {
     return delta_ / a.delta_;
   }
 
-  // Multiplicative computations with floats.
-  TimeDelta multiply_by(double a) const {
-    return TimeDelta(delta_ * a);
-  }
-  TimeDelta divide_by(double a) const {
-    return TimeDelta(delta_ / a);
-  }
-
   // Defined below because it depends on the definition of the other classes.
   Time operator+(Time t) const;
   TimeTicks operator+(TimeTicks t) const;
 
   // Comparison operators.
   bool operator==(TimeDelta other) const {
     return delta_ == other.delta_;
   }
   bool operator!=(TimeDelta other) const {
     return delta_ != other.delta_;
@@ skipping 563 matching lines @@
 inline TimeTicks TimeDelta::operator+(TimeTicks t) const {
   return TimeTicks(t.ticks_ + delta_);
 }
 
 // For logging use only.
 BASE_EXPORT std::ostream& operator<<(std::ostream& os, TimeTicks time_ticks);
 
 }  // namespace base
 
 #endif  // BASE_TIME_TIME_H_