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

webkit/plugins/ppapi/plugin_module.cc

Index: webkit/plugins/ppapi/plugin_module.cc
===================================================================
--- webkit/plugins/ppapi/plugin_module.cc	(revision 95420)
+++ webkit/plugins/ppapi/plugin_module.cc	(working copy)
@@ -31,6 +31,7 @@
 #include "ppapi/c/dev/ppb_opengles_dev.h"
 #include "ppapi/c/dev/ppb_query_policy_dev.h"
 #include "ppapi/c/dev/ppb_scrollbar_dev.h"
+#include "ppapi/c/dev/ppb_scrollbar_group_dev.h"
 #include "ppapi/c/dev/ppb_surface_3d_dev.h"
 #include "ppapi/c/dev/ppb_testing_dev.h"
 #include "ppapi/c/dev/ppb_transport_dev.h"
@@ -99,6 +100,7 @@
 #include "webkit/plugins/ppapi/ppb_opengles_impl.h"
 #include "webkit/plugins/ppapi/ppb_proxy_impl.h"
 #include "webkit/plugins/ppapi/ppb_scrollbar_impl.h"
+#include "webkit/plugins/ppapi/ppb_scrollbar_group_impl.h"
 #include "webkit/plugins/ppapi/ppb_uma_private_impl.h"
 #include "webkit/plugins/ppapi/ppb_url_util_impl.h"
 #include "webkit/plugins/ppapi/ppb_var_impl.h"
@@ -300,10 +302,10 @@
     return PPB_Proxy_Impl::GetInterface();
   if (strcmp(name, PPB_QUERY_POLICY_DEV_INTERFACE_0_1) == 0)
     return ::ppapi::thunk::GetPPB_QueryPolicy_Thunk();
-  if (strcmp(name, PPB_SCROLLBAR_DEV_INTERFACE_0_4) == 0)
+  if (strcmp(name, PPB_SCROLLBAR_DEV_INTERFACE_0_5) == 0)
     return ::ppapi::thunk::GetPPB_Scrollbar_Thunk();
-  if (strcmp(name, PPB_SCROLLBAR_DEV_INTERFACE_0_3) == 0)
-    return PPB_Scrollbar_Impl::Get0_3Interface();
+  if (strcmp(name, PPB_SCROLLBAR_GROUP_DEV_INTERFACE_0_1) == 0)
+    return ::ppapi::thunk::GetPPB_ScrollbarGroup_Thunk();
   if (strcmp(name, PPB_UMA_PRIVATE_INTERFACE) == 0)
     return PPB_UMA_Private_Impl::GetInterface();
   if (strcmp(name, PPB_URLLOADER_INTERFACE_1_0) == 0)