Revert of includes: Make ast.h not need isolate.h any more.

src/parsing/rewriter.cc

Index: src/parsing/rewriter.cc
diff --git a/src/parsing/rewriter.cc b/src/parsing/rewriter.cc
index 8aaa28c7866d47b7e3e383937105d99b7b8355ac..51ff547017ef2cec0b08a11d908ff8c5eb4576fb 100644
--- a/src/parsing/rewriter.cc
+++ b/src/parsing/rewriter.cc
@@ -6,8 +6,6 @@
 
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
-#include "src/execution.h"
-#include "src/isolate.h"
 #include "src/parsing/parse-info.h"
 #include "src/parsing/parser.h"
 
@@ -26,7 +24,7 @@
         closure_scope_(closure_scope),
         factory_(ast_value_factory) {
     DCHECK_EQ(closure_scope, closure_scope->GetClosureScope());
-    InitializeAstVisitor(isolate->stack_guard()->climit());
+    InitializeAstVisitor(isolate);
   }
 
   Processor(Parser* parser, DeclarationScope* closure_scope, Variable* result,