Add compile assertions to enforce the sizes of all structs and enums in the C...

ppapi/c/pp_time.h

 // Copyright (c) 2010 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.
 
 #ifndef PPAPI_C_PP_TIME_H_
 #define PPAPI_C_PP_TIME_H_
 
 /**
  * @file
  * Defines the API ...
  *
  * @addtogroup PP
  * @{
  */
 
+#include "ppapi/c/pp_macros.h"
+
 /**
  * PP_Time represents the "wall clock time" according to the browser and is
  * defined as the number of seconds since the Epoch (00:00:00 UTC, January 1,
  * 1970).
  */
 typedef double PP_Time;
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_Time, 8);
 
 /**
  * Represents time ticks which is measured in seconds and is used for indicating
  * the time that certain messages were received. In contrast to PP_Time, it
  * does not correspond to any actual wall clock time and will not change
  * discontinuously if the user changes their computer clock.
  *
  * The units are in seconds, but are not measured relative to any particular
  * epoch, so the most you can do is compare two values.
  */
 typedef double PP_TimeTicks;
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_TimeTicks, 8);
 
 /**
  * @}
  * End addtogroup PP
  */
 #endif  // PPAPI_C_PP_TIME_H_