[PPAPI] Fix a bunch of spelling mistakes

ppapi/c/pp_resource.h

-/* Copyright (c) 2011 The Chromium Authors. All rights reserved.
+/* Copyright (c) 2012 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.
  */
 
-/* From pp_resource.idl modified Sat Jul 16 16:50:26 2011. */
+/* From pp_resource.idl modified Thu Mar 28 10:09:51 2013. */
 
 #ifndef PPAPI_C_PP_RESOURCE_H_
 #define PPAPI_C_PP_RESOURCE_H_
 
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_stdint.h"
 
 /**
  * @file
  * This file defines the <code>PP_Resource</code> type which represents data
  * associated with the module.
  */
 
 
 /**
  * @addtogroup Typedefs
  * @{
  */
 /**
- * This typdef represents an opaque handle assigned by the browser to the
+ * This typedef represents an opaque handle assigned by the browser to the
  * resource. The handle is guaranteed never to be 0 for a valid resource, so a
  * module can initialize it to 0 to indicate a "NULL handle." Some interfaces
  * may return a NULL resource to indicate failure.
  *
  * While a Var represents something callable to JS or from the module to
  * the DOM, a resource has no meaning or visibility outside of the module
  * interface.
  *
  * Resources are reference counted. Use <code>AddRefResource()</code>
  * and <code>ReleaseResource()</code> in <code>ppb_core.h</code> to manage the
  * reference count of a resource. The data will be automatically destroyed when
  * the internal reference count reaches 0.
  */
 typedef int32_t PP_Resource;
 PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_Resource, 4);
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_PP_RESOURCE_H_ */