[debugger] Refactor LiveEdit function info collection

src/debug/liveedit.h

Index: src/debug/liveedit.h
diff --git a/src/debug/liveedit.h b/src/debug/liveedit.h
index 4edd5831823beaf6ef3bd92cb0cab47ce3bab01e..38395981bac5300a279a48cdfb29ac977fffc671 100644
--- a/src/debug/liveedit.h
+++ b/src/debug/liveedit.h
@@ -32,25 +32,18 @@ namespace v8 {
 namespace internal {
 
 // This class collects some specific information on structure of functions
-// in a particular script. It gets called from compiler all the time, but
-// actually records any data only when liveedit operation is in process;
-// in any other time this class is very cheap.
+// in a particular script.
 //
 // The primary interest of the Tracker is to record function scope structures
-// in order to analyze whether function code maybe safely patched (with new
+// in order to analyze whether function code may be safely patched (with new
 // code successfully reading existing data from function scopes). The Tracker
 // also collects compiled function codes.
-class LiveEditFunctionTracker {
+class LiveEditFunctionTracker : AllStatic {

[Yang, 2016/05/11 07:29:09]

As previously described, we should merge the functionality of this and
FunctionInfoListener into LiveEditFunctionVisitor.

[jgruber1, 2016/05/12 12:30:25]

Done.

  public:
-  explicit LiveEditFunctionTracker(Isolate* isolate, FunctionLiteral* fun);
-  ~LiveEditFunctionTracker();
-  void RecordFunctionInfo(Handle<SharedFunctionInfo> info,
-                          FunctionLiteral* lit, Zone* zone);
+  static void Collect(Handle<Script> script, ParseInfo* parse_info,
+                      Isolate* isolate);
 
   static bool IsActive(Isolate* isolate);
-
- private:
-  Isolate* isolate_;
 };