Modified the pepper file chooser API to support filtering files by extensions.

ppapi/c/dev/ppb_file_chooser_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/ppb_file_chooser_dev.idl modified Thu Mar 15 09:29:39 2012. */
+/* From dev/ppb_file_chooser_dev.idl modified Thu May 17 09:04:27 2012. */
 
 #ifndef PPAPI_C_DEV_PPB_FILE_CHOOSER_DEV_H_
 #define PPAPI_C_DEV_PPB_FILE_CHOOSER_DEV_H_
 
 #include "ppapi/c/pp_array_output.h"
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_resource.h"
@@ skipping 40 matching lines @@
 struct PPB_FileChooser_Dev_0_6 {
   /**
    * This function creates a file chooser dialog resource.  The chooser is
    * associated with a particular instance, so that it may be positioned on the
    * screen relative to the tab containing the instance.
    *
    * @param[in] instance A <code>PP_Instance</code> identifying one instance
    * of a module.
    * @param[in] mode A <code>PP_FileChooserMode_Dev</code> value that controls
    * the behavior of the file chooser dialog.
-   * @param[in] accept_mime_types A comma-separated list of MIME types such as
-   * "audio/ *,text/plain" (note there should be no space between the '/' and
-   * the '*', but one is added to avoid confusing C++ comments).  The dialog
-   * may restrict selectable files to the specified MIME types. An empty string
-   * or an undefined var may be given to indicate that all types should be
-   * accepted.
+   * @param[in] accept_types A comma-separated list of MIME types and file
+   * extensions such as "audio/ *,text/plain,.html" (note there should be no
+   * space between the '/' and the '*', but one is added to avoid confusing C++
+   * comments). The dialog may restrict selectable files to the specified MIME
+   * types and file extensions. If a string in the comma-separated list begins
+   * with a period (.) then the string is interpreted as a file extension,
+   * otherwise it is interpreted as a MIME-type. An empty string or an undefined
+   * var may be given to indicate that all types should be accepted.
    *
    * @return A <code>PP_Resource</code> containing the file chooser if
    * successful or 0 if it could not be created.
    */
   PP_Resource (*Create)(PP_Instance instance,
                         PP_FileChooserMode_Dev mode,
-                        struct PP_Var accept_mime_types);
+                        struct PP_Var accept_types);
   /**
    * Determines if the provided resource is a file chooser.
    *
    * @param[in] resource A <code>PP_Resource</code> corresponding to a generic
    * resource.
    *
    * @return A <code>PP_Bool</code> that is <code>PP_TRUE</code> if the given
    * resource is a file chooser resource, otherwise <code>PP_FALSE</code>.
    */
   PP_Bool (*IsFileChooser)(PP_Resource resource);
@@ skipping 20 matching lines @@
   int32_t (*Show)(PP_Resource chooser,
                   struct PP_ArrayOutput output,
                   struct PP_CompletionCallback callback);
 };
 
 typedef struct PPB_FileChooser_Dev_0_6 PPB_FileChooser_Dev;
 
 struct PPB_FileChooser_Dev_0_5 {
   PP_Resource (*Create)(PP_Instance instance,
                         PP_FileChooserMode_Dev mode,
-                        struct PP_Var accept_mime_types);
+                        struct PP_Var accept_types);
   PP_Bool (*IsFileChooser)(PP_Resource resource);
   int32_t (*Show)(PP_Resource chooser, struct PP_CompletionCallback callback);
   PP_Resource (*GetNextChosenFile)(PP_Resource chooser);
 };
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_DEV_PPB_FILE_CHOOSER_DEV_H_ */