Add nanosecond timer.

include/core/SkTime.h

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkTime_DEFINED
@@ skipping 10 matching lines @@
         uint16_t fYear;          //!< e.g. 2005
         uint8_t  fMonth;         //!< 1..12
         uint8_t  fDayOfWeek;     //!< 0..6, 0==Sunday
         uint8_t  fDay;           //!< 1..31
         uint8_t  fHour;          //!< 0..23
         uint8_t  fMinute;        //!< 0..59
         uint8_t  fSecond;        //!< 0..59
     };
     static void GetDateTime(DateTime*);
 
-    static SkMSec GetMSecs();
+    static SkMSec GetMSecs() { return GetNSecs() / 1000000; }
+
+    static SkNSec GetNSecs();
 };
 
 #if defined(SK_DEBUG) && defined(SK_BUILD_FOR_WIN32)
     extern SkMSec gForceTickCount;
 #endif
 
 #define SK_TIME_FACTOR      1
 
 ///////////////////////////////////////////////////////////////////////////////
 
@@ skipping 14 matching lines @@
         }
     }
 private:
     const char* fLabel;
     SkMSec      fNow;
     SkMSec      fMinToDump;
 };
 #define SkAutoTime(...) SK_REQUIRE_LOCAL_VAR(SkAutoTime)
 
 #endif