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

src/debug/liveedit.cc

Index: src/debug/liveedit.cc
diff --git a/src/debug/liveedit.cc b/src/debug/liveedit.cc
index a0a12c7d1d89ea0b079613220c550bfb5338a7a9..f89810fc489dd3328fea0a974fb79f2c690fc369 100644
--- a/src/debug/liveedit.cc
+++ b/src/debug/liveedit.cc
@@ -10,9 +10,11 @@
 #include "src/compiler.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
+#include "src/execution.h"
 #include "src/frames-inl.h"
 #include "src/global-handles.h"
 #include "src/isolate-inl.h"
+#include "src/isolate.h"
 #include "src/messages.h"
 #include "src/source-position-table.h"
 #include "src/v8.h"
@@ -1839,7 +1841,8 @@ Handle<JSArray> LiveEditFunctionTracker::Collect(FunctionLiteral* node,
 
 LiveEditFunctionTracker::LiveEditFunctionTracker(Handle<Script> script,
                                                  Zone* zone, Isolate* isolate)
-    : AstTraversalVisitor<LiveEditFunctionTracker>(isolate) {
+    : AstTraversalVisitor<LiveEditFunctionTracker>(
+          isolate->stack_guard()->climit()) {
   current_parent_index_ = -1;
   isolate_ = isolate;
   len_ = 0;