Add the plumbing and test code for plugins opening files from the sandbox. Th...

webkit/glue/webplugin_delegate.h

Index: webkit/glue/webplugin_delegate.h
===================================================================
--- webkit/glue/webplugin_delegate.h	(revision 30698)
+++ webkit/glue/webplugin_delegate.h	(working copy)
@@ -137,6 +137,10 @@
   virtual NPError FlushRenderContext(NPRenderContext* context) {
     return NPERR_GENERIC_ERROR;
   }
+
+  virtual NPError OpenFileInSandbox(const char* file_name, void** handle) {
+    return NPERR_GENERIC_ERROR;
+  }
 };
 
 }  // namespace webkit_glue