bug 1162654 - allow proxies to implement the document interface r=davidb

accessible/atk/AccessibleWrap.cpp

@@ -1053,6 +1053,9 @@ GetInterfacesForProxy(ProxyAccessible* aProxy, uint32_t aInterfaces)
   if (aInterfaces & Interfaces::IMAGE)
     interfaces |= MAI_INTERFACE_IMAGE;
 
+  if (aInterfaces & Interfaces::DOCUMENT)
+    interfaces |= MAI_INTERFACE_DOCUMENT;
+
   return interfaces;
 }
 

accessible/ipc/DocAccessibleChild.cpp

@@ -39,6 +39,9 @@ InterfacesFor(Accessible* aAcc)
   if (aAcc->IsTableCell())
     interfaces |= Interfaces::TABLECELL;
 
+  if (aAcc->IsDoc())
+    interfaces |= Interfaces::DOCUMENT;
+
   return interfaces;
 }
 

accessible/ipc/ProxyAccessible.h

@@ -320,6 +320,7 @@ enum Interfaces
   VALUE = 8,
   TABLE = 16,
   TABLECELL = 32,
+  DOCUMENT = 64,
 };
 
 }