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

ppapi/cpp/trusted/file_chooser_trusted.cc

 // 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.
 
 #include "ppapi/cpp/trusted/file_chooser_trusted.h"
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/cpp/completion_callback.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/cpp/module_impl.h"
@@ skipping 12 matching lines @@
   return PPB_FILECHOOSER_TRUSTED_INTERFACE_0_6;
 }
 
 }  // namespace
 
 FileChooser_Trusted::FileChooser_Trusted() : save_as_(false) {
 }
 
 FileChooser_Trusted::FileChooser_Trusted(const InstanceHandle& instance,
                                          PP_FileChooserMode_Dev mode,
-                                         const Var& accept_mime_types,
+                                         const Var& accept_types,
                                          bool save_as,
                                          const std::string& suggested_file_name)
-    : FileChooser_Dev(instance, mode, accept_mime_types),
+    : FileChooser_Dev(instance, mode, accept_types),
       save_as_(save_as),
       suggested_file_name_(suggested_file_name) {
 }
 
 FileChooser_Trusted::FileChooser_Trusted(const FileChooser_Trusted& other)
     : FileChooser_Dev(other),
       save_as_(other.save_as_),
       suggested_file_name_(other.suggested_file_name_) {
 }
 
@@ skipping 25 matching lines @@
     return get_interface<PPB_FileChooserTrusted_0_5>()->ShowWithoutUserGesture(
         pp_resource(),
         PP_FromBool(save_as_),
         Var(suggested_file_name_).pp_var(),
         PP_MakeCompletionCallback(&CallbackConverter, data));
   }
   return callback.MayForce(PP_ERROR_NOINTERFACE);
 }
 
 }  // namespace pp