Fix up some types in the API.

ppapi/c/ppb_core.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_PPB_CORE_H_
 #define PPAPI_C_PPB_CORE_H_
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_stdint.h"
 #include "ppapi/c/pp_time.h"
 #include "ppapi/c/pp_var.h"
 
 struct PP_CompletionCallback;
 
-#define PPB_CORE_INTERFACE "PPB_Core;0.3"
+#define PPB_CORE_INTERFACE "PPB_Core;0.4"
 
 /**
  * @file
  * This file defines the PPB_Core interface defined by the browser and
  * and containing pointers to functions related to memory management,
  * time, and threads.
  */
 
 /**
  * @addtogroup Interfaces
@@ skipping 20 matching lines @@
    * from a resource.
    *
    * @param[in] config A PP_Resource containing the resource.
    */
 /*Same as ReleaseVar for Resources. */
   void (*ReleaseResource)(PP_Resource resource);
 
   /**
    * MemAlloc is a pointer to a function that allocate memory.
    *
-   * @param[in] num_bytes A size_t number of bytes to allocate.
+   * @param[in] num_bytes A number of bytes to allocate.
    * @return A pointer to the memory if successful, NULL If the
    * allocation fails.
    */
-  void* (*MemAlloc)(size_t num_bytes);
+  void* (*MemAlloc)(uint32_t num_bytes);
 
   /**
    * MemFree is a pointer to a function that deallocates memory.
    *
    * @param[in] ptr A pointer to the memory to deallocate. It is safe to
    * pass NULL to this function.
    */
   void (*MemFree)(void* ptr);
 
   /**
@@ skipping 60 matching lines @@
    */
   PP_Bool (*IsMainThread)();
 };
 /**
  * @}
  */
 
 
 #endif  /* PPAPI_C_DEV_PPB_CORE_DEV_H_ */