Make the file chooser use PP_ArrayOutput

ppapi/thunk/ppb_file_chooser_api.h

Index: ppapi/thunk/ppb_file_chooser_api.h
diff --git a/ppapi/thunk/ppb_file_chooser_api.h b/ppapi/thunk/ppb_file_chooser_api.h
index 494f7bd0d7cb73ef1d2f66ad22054c585a4dee2d..ed947822755c485551e92abd888c78180cfdc589 100644
--- a/ppapi/thunk/ppb_file_chooser_api.h
+++ b/ppapi/thunk/ppb_file_chooser_api.h
@@ -14,13 +14,24 @@ class PPB_FileChooser_API {
  public:
   virtual ~PPB_FileChooser_API() {}
 
-  virtual int32_t Show(const PP_CompletionCallback& callback) = 0;
-  virtual PP_Resource GetNextChosenFile() = 0;
+  virtual int32_t Show(const PP_ArrayOutput& output,
+                       const PP_CompletionCallback& callback) = 0;
 
   // Trusted API.
   virtual int32_t ShowWithoutUserGesture(
-      bool save_as,
-      const char* suggested_file_name,
+      PP_Bool save_as,
+      PP_Var suggested_file_name,
+      const PP_ArrayOutput& output,
+      const PP_CompletionCallback& callback) = 0;
+
+  // Version 0.5 API.
+  virtual int32_t Show0_5(const PP_CompletionCallback& callback) = 0;
+  virtual PP_Resource GetNextChosenFile() = 0;
+
+  // Trusted version 0.5 API.
+  virtual int32_t ShowWithoutUserGesture0_5(
+      PP_Bool save_as,
+      PP_Var suggested_file_name,
       const PP_CompletionCallback& callback) = 0;
 };