Merge V8 5.3.332.45.  DO NOT MERGE

Test: Manual

FPIIM-449

Change-Id: Id3254828b068abdea3cb10442e0172a8c9a98e03
(cherry picked from commit 13e2dadd00298019ed862f2b2fc5068bba730bcf)
diff --git a/src/ast/prettyprinter.h b/src/ast/prettyprinter.h
index 4e90294..bb36c2b 100644
--- a/src/ast/prettyprinter.h
+++ b/src/ast/prettyprinter.h
@@ -32,6 +32,7 @@
 
  private:
   void Init();
+  Isolate* isolate_;
   char* output_;  // output string buffer
   int size_;      // output_ size
   int pos_;       // current printing position
@@ -74,6 +75,7 @@
 #undef DECLARE_VISIT
 
  private:
+  Isolate* isolate_;
   char* output_;  // output string buffer
   int size_;  // output_ size
   int pos_;  // current printing position