Pepper and WebKit API change to support a plugin knowing if a scrollbar is an overlay one.

webkit/plugins/ppapi/resource_creation_impl.cc

 // Copyright (c) 2011 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 "webkit/plugins/ppapi/resource_creation_impl.h"
 
 #include "ppapi/c/pp_size.h"
 #include "ppapi/shared_impl/input_event_impl.h"
 #include "ppapi/shared_impl/var.h"
 #include "webkit/plugins/ppapi/common.h"
 #include "webkit/plugins/ppapi/ppb_audio_impl.h"
 #include "webkit/plugins/ppapi/ppb_broker_impl.h"
 #include "webkit/plugins/ppapi/ppb_buffer_impl.h"
 #include "webkit/plugins/ppapi/ppb_context_3d_impl.h"
 #include "webkit/plugins/ppapi/ppb_directory_reader_impl.h"
 #include "webkit/plugins/ppapi/ppb_file_chooser_impl.h"
 #include "webkit/plugins/ppapi/ppb_file_io_impl.h"
 #include "webkit/plugins/ppapi/ppb_file_ref_impl.h"
 #include "webkit/plugins/ppapi/ppb_file_system_impl.h"
 #include "webkit/plugins/ppapi/ppb_flash_menu_impl.h"
 #include "webkit/plugins/ppapi/ppb_flash_net_connector_impl.h"
 #include "webkit/plugins/ppapi/ppb_font_impl.h"
 #include "webkit/plugins/ppapi/ppb_graphics_2d_impl.h"
 #include "webkit/plugins/ppapi/ppb_graphics_3d_impl.h"
 #include "webkit/plugins/ppapi/ppb_image_data_impl.h"
 #include "webkit/plugins/ppapi/ppb_input_event_impl.h"
 #include "webkit/plugins/ppapi/ppb_scrollbar_impl.h"
+#include "webkit/plugins/ppapi/ppb_scrollbar_group_impl.h"
 #include "webkit/plugins/ppapi/ppb_surface_3d_impl.h"
 #include "webkit/plugins/ppapi/ppb_transport_impl.h"
 #include "webkit/plugins/ppapi/ppb_url_loader_impl.h"
 #include "webkit/plugins/ppapi/ppb_url_request_info_impl.h"
 #include "webkit/plugins/ppapi/ppb_video_decoder_impl.h"
 #include "webkit/plugins/ppapi/ppb_video_layer_impl.h"
 
 using ppapi::InputEventData;
 using ppapi::StringVar;
 
@@ skipping 214 matching lines @@
   data.event_time_stamp = time_stamp;
   data.event_modifiers = modifiers;
   data.mouse_button = mouse_button;
   data.mouse_position = *mouse_position;
   data.mouse_click_count = click_count;
 
   return PPB_InputEvent_Impl::Create(instance_, data);
 }
 
 PP_Resource ResourceCreationImpl::CreateScrollbar(PP_Instance instance,
+                                                  PP_Resource scrollbar_group,
                                                   PP_Bool vertical) {
-  return ReturnResource(new PPB_Scrollbar_Impl(instance_, PP_ToBool(vertical)));
+  return PPB_Scrollbar_Impl::Create(
+      instance_, scrollbar_group, PP_ToBool(vertical));
+}
+
+PP_Resource ResourceCreationImpl::CreateScrollbarGroup(PP_Instance instance) {
+  return ReturnResource(new PPB_ScrollbarGroup_Impl(instance_));
 }
 
 PP_Resource ResourceCreationImpl::CreateSurface3D(
     PP_Instance instance,
     PP_Config3D_Dev config,
     const int32_t* attrib_list) {
   return PPB_Surface3D_Impl::Create(instance_, config, attrib_list);
 }
 
 PP_Resource ResourceCreationImpl::CreateTransport(PP_Instance instance,
@@ skipping 35 matching lines @@
   data.event_modifiers = modifiers;
   data.wheel_delta = *wheel_delta;
   data.wheel_ticks = *wheel_ticks;
   data.wheel_scroll_by_page = PP_ToBool(scroll_by_page);
 
   return PPB_InputEvent_Impl::Create(instance_, data);
 }
 
 }  // namespace ppapi
 }  // namespace webkit