Make Isolate::GetData and Isolate::SetData inlineable.

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index 124875a769be391e5ce38f4f3ee9fa9497ffa16b..8cdd3912390e302807f78e4901efc46be9794582 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -5396,17 +5396,6 @@ void Isolate::Exit() {
 }
 
 
-void Isolate::SetData(void* data) {
-  i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
-  isolate->SetData(data);
-}
-
-void* Isolate::GetData() {
-  i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
-  return isolate->GetData();
-}
-
-
 String::Utf8Value::Utf8Value(v8::Handle<v8::Value> obj)
     : str_(NULL), length_(0) {
   i::Isolate* isolate = i::Isolate::Current();