Revert 94426 - Removed wchat_t from Time::FromString.

base/time.h

 // Copyright (c) 2011 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 time, internally represented as
 // microseconds (s/1,000,000) since a platform-dependent epoch.  Each
 // platform's epoch, along with other system-dependent clock interface
 // routines, is defined in time_PLATFORM.cc.
 //
 // TimeDelta represents a duration of time, internally represented in
@@ skipping 299 matching lines @@
   static Time FromInternalValue(int64 us) {
     return Time(us);
   }
 
   // Converts a string representation of time to a Time object.
   // An example of a time string which is converted is as below:-
   // "Tue, 15 Nov 1994 12:45:26 GMT". If the timezone is not specified
   // in the input string, we assume local time.
   // TODO(iyengar) Move the FromString/FromTimeT/ToTimeT/FromFileTime to
   // a new time converter class.
-  static bool FromString(const char* time_string, Time* parsed_time);
+  static bool FromString(const wchar_t* time_string, Time* parsed_time);
 
   // For serializing, use FromInternalValue to reconstitute. Please don't use
   // this and do arithmetic on it, as it is more error prone than using the
   // provided operators.
   int64 ToInternalValue() const {
     return us_;
   }
 
   // Fills the given exploded structure with either the local time or UTC from
   // this time structure (containing UTC).
@@ skipping 226 matching lines @@
 #endif
 };
 
 inline TimeTicks TimeDelta::operator+(TimeTicks t) const {
   return TimeTicks(t.ticks_ + delta_);
 }
 
 }  // namespace base
 
 #endif  // BASE_TIME_H_