Add GetScriptOrigin and GetScriptLineNumber functions for Timeline panel.

src/api.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2440 matching lines @@
   func->shared()->set_name(*Utils::OpenHandle(*name));
 }
 
 
 Handle<Value> Function::GetName() const {
   i::Handle<i::JSFunction> func = Utils::OpenHandle(this);
   return Utils::ToLocal(i::Handle<i::Object>(func->shared()->name()));
 }
 
 
+ScriptOrigin Function::GetScriptOrigin() const {
+  i::Handle<i::JSFunction> func = Utils::OpenHandle(this);
+  if (func->shared()->script()->IsScript()) {
+    i::Handle<i::Script> script(i::Script::cast(func->shared()->script()));
+    v8::ScriptOrigin origin(
+      Utils::ToLocal(i::Handle<i::Object>(script->name())),
+      v8::Integer::New(script->line_offset()->value()),
+      v8::Integer::New(script->column_offset()->value()));
+    return origin;
+  }
+  return v8::ScriptOrigin(Handle<Value>());
+}
+
+
+const int Function::kLineOffsetNotFound = -1;
+
+
+int Function::GetScriptLineNumber() const {
+  i::Handle<i::JSFunction> func = Utils::OpenHandle(this);
+  if (func->shared()->script()->IsScript()) {
+    i::Handle<i::Script> script(i::Script::cast(func->shared()->script()));
+    return i::GetScriptLineNumber(script, func->shared()->start_position());
+  }
+  return kLineOffsetNotFound;
+}
+
+
 int String::Length() const {
   if (IsDeadCheck("v8::String::Length()")) return 0;
   return Utils::OpenHandle(this)->length();
 }
 
 
 int String::Utf8Length() const {
   if (IsDeadCheck("v8::String::Utf8Length()")) return 0;
   return Utils::OpenHandle(this)->Utf8Length();
 }
@@ skipping 1368 matching lines @@
 
 
 char* HandleScopeImplementer::Iterate(ObjectVisitor* v, char* storage) {
   HandleScopeImplementer* thread_local =
       reinterpret_cast<HandleScopeImplementer*>(storage);
   thread_local->IterateThis(v);
   return storage + ArchiveSpacePerThread();
 }
 
 } }  // namespace v8::internal