[PPAPI] Fix a bunch of spelling mistakes

ppapi/c/dev/ppp_text_input_dev.h

 /* 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 dev/ppp_text_input_dev.idl modified Tue Mar 13 20:19:19 2012. */
+/* From dev/ppp_text_input_dev.idl modified Thu Mar 28 10:55:30 2013. */
 
 #ifndef PPAPI_C_DEV_PPP_TEXT_INPUT_DEV_H_
 #define PPAPI_C_DEV_PPP_TEXT_INPUT_DEV_H_
 
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_stdint.h"
 
 #define PPP_TEXTINPUT_DEV_INTERFACE_0_1 "PPP_TextInput(Dev);0.1"
 #define PPP_TEXTINPUT_DEV_INTERFACE PPP_TEXTINPUT_DEV_INTERFACE_0_1
 
 /**
  * @file
  * This file defines the <code>PPP_TextInput_Dev</code> interface.
  */
 
 
 /**
  * @addtogroup Interfaces
  * @{
  */
 /**
  * <code>PPP_TextInput_Dev</code> is a set of function pointers that the
  * plugin has to implement to provide hints for text input system (IME).
  */
 struct PPP_TextInput_Dev_0_1 {
   /**
-   * Requests the plugin to send back the text arround the current caret or
+   * Requests the plugin to send back the text around the current caret or
    * selection by <code>PPB_TextInput_Dev::UpdateSurroundingText</code>.
    * It is recommended to include the <code>desired_number_of_characters</code>
    * characters before and after the selection, but not mandatory.
    */
   void (*RequestSurroundingText)(PP_Instance instance,
                                  uint32_t desired_number_of_characters);
 };
 
 typedef struct PPP_TextInput_Dev_0_1 PPP_TextInput_Dev;
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_DEV_PPP_TEXT_INPUT_DEV_H_ */