Revert 87415 - Convert more interfaces to the new thunk system. This goes up to and including

webkit/plugins/ppapi/ppb_file_chooser_impl.cc

Index: webkit/plugins/ppapi/ppb_file_chooser_impl.cc
===================================================================
--- webkit/plugins/ppapi/ppb_file_chooser_impl.cc	(revision 87436)
+++ webkit/plugins/ppapi/ppb_file_chooser_impl.cc	(working copy)
@@ -25,7 +25,6 @@
 #include "webkit/plugins/ppapi/resource_tracker.h"
 #include "webkit/glue/webkit_glue.h"
 
-using ppapi::thunk::PPB_FileChooser_API;
 using WebKit::WebCString;
 using WebKit::WebFileChooserCompletion;
 using WebKit::WebFileChooserParams;
@@ -37,6 +36,53 @@
 
 namespace {
 
+PP_Resource Create(PP_Instance instance_id,
+                   const PP_FileChooserOptions_Dev* options) {
+  PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id);
+  if (!instance)
+    return 0;
+
+  if ((options->mode != PP_FILECHOOSERMODE_OPEN) &&
+      (options->mode != PP_FILECHOOSERMODE_OPENMULTIPLE))
+    return 0;
+
+  PPB_FileChooser_Impl* chooser = new PPB_FileChooser_Impl(instance, options);
+  return chooser->GetReference();
+}
+
+PP_Bool IsFileChooser(PP_Resource resource) {
+  return BoolToPPBool(!!Resource::GetAs<PPB_FileChooser_Impl>(resource));
+}
+
+int32_t Show(PP_Resource chooser_id, PP_CompletionCallback callback) {
+  scoped_refptr<PPB_FileChooser_Impl> chooser(
+      Resource::GetAs<PPB_FileChooser_Impl>(chooser_id));
+  if (!chooser)
+    return PP_ERROR_BADRESOURCE;
+
+  return chooser->Show(callback);
+}
+
+PP_Resource GetNextChosenFile(PP_Resource chooser_id) {
+  scoped_refptr<PPB_FileChooser_Impl> chooser(
+      Resource::GetAs<PPB_FileChooser_Impl>(chooser_id));
+  if (!chooser)
+    return 0;
+
+  scoped_refptr<PPB_FileRef_Impl> file_ref(chooser->GetNextChosenFile());
+  if (!file_ref)
+    return 0;
+
+  return file_ref->GetReference();
+}
+
+const PPB_FileChooser_Dev ppb_filechooser = {
+  &Create,
+  &IsFileChooser,
+  &Show,
+  &GetNextChosenFile
+};
+
 class FileChooserCompletionImpl : public WebFileChooserCompletion {
  public:
   FileChooserCompletionImpl(PPB_FileChooser_Impl* file_chooser)
@@ -74,29 +120,14 @@
 }
 
 // static
-PP_Resource PPB_FileChooser_Impl::Create(
-    PP_Instance pp_instance,
-    const PP_FileChooserOptions_Dev* options) {
-  PluginInstance* instance = ResourceTracker::Get()->GetInstance(pp_instance);
-  if (!instance)
-    return 0;
-
-  if ((options->mode != PP_FILECHOOSERMODE_OPEN) &&
-      (options->mode != PP_FILECHOOSERMODE_OPENMULTIPLE))
-    return 0;
-
-  PPB_FileChooser_Impl* chooser = new PPB_FileChooser_Impl(instance, options);
-  return chooser->GetReference();
+const PPB_FileChooser_Dev* PPB_FileChooser_Impl::GetInterface() {
+  return &ppb_filechooser;
 }
 
 PPB_FileChooser_Impl* PPB_FileChooser_Impl::AsPPB_FileChooser_Impl() {
   return this;
 }
 
-PPB_FileChooser_API* PPB_FileChooser_Impl::AsPPB_FileChooser_API() {
-  return this;
-}
-
 void PPB_FileChooser_Impl::StoreChosenFiles(
     const std::vector<std::string>& files) {
   chosen_files_.clear();
@@ -145,7 +176,7 @@
   callback->Run(result);  // Will complete abortively if necessary.
 }
 
-int32_t PPB_FileChooser_Impl::Show(PP_CompletionCallback callback) {
+int32_t PPB_FileChooser_Impl::Show(const PP_CompletionCallback& callback) {
   int32_t rv = ValidateCallback(callback);
   if (rv != PP_OK)
     return rv;
@@ -166,11 +197,11 @@
   return PP_OK_COMPLETIONPENDING;
 }
 
-PP_Resource PPB_FileChooser_Impl::GetNextChosenFile() {
+scoped_refptr<PPB_FileRef_Impl> PPB_FileChooser_Impl::GetNextChosenFile() {
   if (next_chosen_file_index_ >= chosen_files_.size())
-    return 0;
+    return NULL;
 
-  return chosen_files_[next_chosen_file_index_++]->GetReference();
+  return chosen_files_[next_chosen_file_index_++];
 }
 
 }  // namespace ppapi