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

webkit/plugins/ppapi/ppapi_plugin_instance.h

Index: webkit/plugins/ppapi/ppapi_plugin_instance.h
===================================================================
--- webkit/plugins/ppapi/ppapi_plugin_instance.h	(revision 95420)
+++ webkit/plugins/ppapi/ppapi_plugin_instance.h	(working copy)
@@ -40,6 +40,7 @@
 struct PPP_Messaging;
 struct PPP_Pdf;
 struct PPP_PolicyUpdate_Dev;
+struct PPP_Resize_Dev;
 struct PPP_Selection_Dev;
 struct PPP_Zoom_Dev;
 
@@ -199,6 +200,8 @@
                  int identifier);
   void SelectFindResult(bool forward);
   void StopFind();
+  void WillStartLiveResize();
+  void WillEndLiveResize();
 
   bool SupportsPrintInterface();
   int PrintBegin(const gfx::Rect& printable_area, int printer_dpi);
@@ -292,6 +295,7 @@
   bool LoadPolicyUpdateInterface();
   bool LoadPrintInterface();
   bool LoadPrivateInterface();
+  bool LoadResizeInterface();
   bool LoadSelectionInterface();
   bool LoadZoomInterface();
 
@@ -389,6 +393,7 @@
   const PPP_Instance_Private* plugin_private_interface_;
   const PPP_Pdf* plugin_pdf_interface_;
   const PPP_PolicyUpdate_Dev* plugin_policy_updated_interface_;
+  const PPP_Resize_Dev* plugin_resize_interface_;
   const PPP_Selection_Dev* plugin_selection_interface_;
   const PPP_Zoom_Dev* plugin_zoom_interface_;