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

ppapi/proxy/ppb_file_chooser_proxy.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/proxy/ppb_file_chooser_proxy.h"
 
 #include <queue>
 
 #include "base/bind.h"
 #include "ppapi/c/dev/ppb_file_chooser_dev.h"
@@ skipping 186 matching lines @@
       callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
 }
 
 PPB_FileChooser_Proxy::~PPB_FileChooser_Proxy() {
 }
 
 // static
 PP_Resource PPB_FileChooser_Proxy::CreateProxyResource(
     PP_Instance instance,
     PP_FileChooserMode_Dev mode,
-    const char* accept_mime_types) {
+    const char* accept_types) {
   Dispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
   if (!dispatcher)
     return 0;
 
   HostResource result;
   dispatcher->Send(new PpapiHostMsg_PPBFileChooser_Create(
       API_ID_PPB_FILE_CHOOSER, instance,
       mode,
-      accept_mime_types ? accept_mime_types : "",
+      accept_types ? accept_types : "",
       &result));
 
   if (result.is_null())
     return 0;
   return (new FileChooser(result))->GetReference();
 }
 
 bool PPB_FileChooser_Proxy::OnMessageReceived(const IPC::Message& msg) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(PPB_FileChooser_Proxy, msg)
     // Plugin -> host messages.
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFileChooser_Create, OnMsgCreate)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFileChooser_Show, OnMsgShow)
 
     // Host -> plugin messages.
     IPC_MESSAGE_HANDLER(PpapiMsg_PPBFileChooser_ChooseComplete,
                         OnMsgChooseComplete)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void PPB_FileChooser_Proxy::OnMsgCreate(
     PP_Instance instance,
     int mode,
-    std::string accept_mime_types,
+    std::string accept_types,
     HostResource* result) {
   thunk::EnterResourceCreation enter(instance);
   if (enter.succeeded()) {
     result->SetHostResource(instance, enter.functions()->CreateFileChooser(
         instance,
         static_cast<PP_FileChooserMode_Dev>(mode),
-        accept_mime_types.c_str()));
+        accept_types.c_str()));
   }
 }
 
 void PPB_FileChooser_Proxy::OnMsgShow(
     const HostResource& chooser,
     PP_Bool save_as,
     SerializedVarReceiveInput suggested_file_name,
     bool require_user_gesture) {
   scoped_refptr<RefCountedArrayOutputAdapter<PP_Resource> > output(
       new RefCountedArrayOutputAdapter<PP_Resource>);
@@ skipping 45 matching lines @@
       files.push_back(cur_create_info);
     }
   }
 
   dispatcher()->Send(new PpapiMsg_PPBFileChooser_ChooseComplete(
       API_ID_PPB_FILE_CHOOSER, chooser, result, files));
 }
 
 }  // namespace proxy
 }  // namespace ppapi