Initialize V8 in PDFium from external files (plugin process only)

ppapi/thunk/ppb_pdf_api.h

Index: ppapi/thunk/ppb_pdf_api.h
diff --git a/ppapi/thunk/ppb_pdf_api.h b/ppapi/thunk/ppb_pdf_api.h
index a37da2b66a2081872ebe8730d5e42052509272f8..8e0f4b0b3de2012559c264b64b4e79c4376b51bc 100644
--- a/ppapi/thunk/ppb_pdf_api.h
+++ b/ppapi/thunk/ppb_pdf_api.h
@@ -34,6 +34,10 @@ class PPB_PDF_API {
   virtual PP_Bool IsOutOfProcess() = 0;
   virtual void SetSelectedText(const char* selected_text) = 0;
   virtual void SetLinkUnderCursor(const char* url) = 0;
+  virtual void GetV8ExternalSnapshotData(const char** natives_data_out,
+                                         int* natives_size_out,
+                                         const char** snapshot_data_out,
+                                         int* snapshot_size_out) = 0;
 
   static const SingletonResourceID kSingletonResourceID = PDF_SINGLETON_ID;
 };