Tag XFA data bound to V8 Objects.

Because we don't want to trust anything V8 gives us back.
Use a deep namespace so we can have a short declaration in the
structs, but avoid collisions.

Change-Id: Ibb832a5dcd34c652159c3343dd70c9e2ee561537
Reviewed-on: https://pdfium-review.googlesource.com/38972
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/fxjs/fxjse.h b/fxjs/fxjse.h
index 3f2eb1d836..c28cc6c919 100644
--- a/fxjs/fxjse.h
+++ b/fxjs/fxjse.h
@@ -11,6 +11,15 @@
 #include "core/fxcrt/fx_system.h"
 #include "v8/include/v8.h"
 
+namespace pdfium {
+namespace fxjse {
+
+extern const char kFuncTag[];
+extern const char kClassTag[];
+
+}  // namespace fxjse
+}  // namespace pdfium
+
 class CFXJSE_Arguments;
 class CFXJSE_FormCalcContext;
 class CFXJSE_Value;
@@ -50,11 +59,13 @@ enum FXJSE_ClassPropTypes {
 };
 
 struct FXJSE_FUNCTION_DESCRIPTOR {
+  const char* tag;  // pdfium::kFuncTag always.
   const char* name;
   FXJSE_FuncCallback callbackProc;
 };
 
 struct FXJSE_CLASS_DESCRIPTOR {
+  const char* tag;  // pdfium::kClassTag always.
   const char* name;
   const FXJSE_FUNCTION_DESCRIPTOR* methods;
   int32_t methNum;