From a409a2d651951cd569b31c9502790eaa700326da Mon Sep 17 00:00:00 2001
From: "mstarzinger@chromium.org"
 <mstarzinger@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Date: Wed, 25 Sep 2013 09:31:10 +0000
Subject: [PATCH] Remove obsolete global SubString method.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/24545002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16937 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
---
 src/handles.cc | 9 ---------
 src/handles.h  | 5 -----
 src/objects.cc | 3 ++-
 3 files changed, 2 insertions(+), 15 deletions(-)

diff --git a/src/handles.cc b/src/handles.cc
index 033fdab3dc..6b9025dbf6 100644
--- a/src/handles.cc
+++ b/src/handles.cc
@@ -285,15 +285,6 @@ Handle<Object> LookupSingleCharacterStringFromCode(Isolate* isolate,
 }
 
 
-Handle<String> SubString(Handle<String> str,
-                         int start,
-                         int end,
-                         PretenureFlag pretenure) {
-  CALL_HEAP_FUNCTION(str->GetIsolate(),
-                     str->SubString(start, end, pretenure), String);
-}
-
-
 // Wrappers for scripts are kept alive and cached in weak global
 // handles referred from foreign objects held by the scripts as long as
 // they are used. When they are not used anymore, the garbage
diff --git a/src/handles.h b/src/handles.h
index 585f7b4e79..0f619d572e 100644
--- a/src/handles.h
+++ b/src/handles.h
@@ -299,11 +299,6 @@ Handle<FixedArray> GetEnumPropertyKeys(Handle<JSObject> object,
 Handle<FixedArray> UnionOfKeys(Handle<FixedArray> first,
                                Handle<FixedArray> second);
 
-Handle<String> SubString(Handle<String> str,
-                         int start,
-                         int end,
-                         PretenureFlag pretenure = NOT_TENURED);
-
 // Sets the expected number of properties for the function's instances.
 void SetExpectedNofProperties(Handle<JSFunction> func, int nof);
 
diff --git a/src/objects.cc b/src/objects.cc
index 169307fb8e..32127eb8b9 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -9734,7 +9734,8 @@ bool SharedFunctionInfo::HasSourceCode() {
 Handle<Object> SharedFunctionInfo::GetSourceCode() {
   if (!HasSourceCode()) return GetIsolate()->factory()->undefined_value();
   Handle<String> source(String::cast(Script::cast(script())->source()));
-  return SubString(source, start_position(), end_position());
+  return GetIsolate()->factory()->NewSubString(
+      source, start_position(), end_position());
 }