Unify symbols sharing across native scripts and runtime.

src/messages.h

Index: src/messages.h
diff --git a/src/messages.h b/src/messages.h
index 5d56ceb1c8c499c0a5139ed53028e2e80bb8dfd3..14f1dcf3ee92879986b462402da579e6291c974c 100644
--- a/src/messages.h
+++ b/src/messages.h
@@ -47,23 +47,23 @@ class MessageLocation {
 
 class CallSite {
  public:
-  CallSite(Handle<Object> receiver, Handle<JSFunction> fun, int pos)
-      : receiver_(receiver), fun_(fun), pos_(pos) {}
+  CallSite(Isolate* isolate, Handle<JSObject> call_site_obj);
 
-  Handle<Object> GetFileName(Isolate* isolate);
-  Handle<Object> GetFunctionName(Isolate* isolate);
-  Handle<Object> GetScriptNameOrSourceUrl(Isolate* isolate);
-  Handle<Object> GetMethodName(Isolate* isolate);
+  Handle<Object> GetFileName();
+  Handle<Object> GetFunctionName();
+  Handle<Object> GetScriptNameOrSourceUrl();
+  Handle<Object> GetMethodName();
   // Return 1-based line number, including line offset.
-  int GetLineNumber(Isolate* isolate);
+  int GetLineNumber();
   // Return 1-based column number, including column offset if first line.
-  int GetColumnNumber(Isolate* isolate);
-  bool IsNative(Isolate* isolate);
-  bool IsToplevel(Isolate* isolate);
-  bool IsEval(Isolate* isolate);
-  bool IsConstructor(Isolate* isolate);
+  int GetColumnNumber();
+  bool IsNative();
+  bool IsToplevel();
+  bool IsEval();
+  bool IsConstructor();
 
  private:
+  Isolate* isolate_;
   Handle<Object> receiver_;
   Handle<JSFunction> fun_;
   int pos_;