More trivial cleanupi of ppapi/c headers

ppapi/c/ppb.h

Index: ppapi/c/ppb.h
===================================================================
--- ppapi/c/ppb.h	(revision 92804)
+++ ppapi/c/ppb.h	(working copy)
@@ -2,20 +2,26 @@
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
+
+/* From ppb.idl modified Sat Jul 16 16:50:26 2011. */
+
 #ifndef PPAPI_C_PPB_H_
 #define PPAPI_C_PPB_H_
 
+#include "ppapi/c/pp_macros.h"
+#include "ppapi/c/pp_stdint.h"
+
 /**
  * @file
  * This file defines a function pointer type for the
  * <code>PPB_GetInterface</code> function.
  */
 
+
 /**
  * @addtogroup Typedefs
  * @{
  */
-
 /**
  * This function pointer type defines the signature for the
  * <code>PPB_GetInterface</code> function. A generic
@@ -37,5 +43,6 @@
 /**
  * @}
  */
+
 #endif  /* PPAPI_C_PPB_H_ */