Move InitLineEnds and GetLineNumber to handles.cc to avoid...

src/handles.h

Index: src/handles.h
===================================================================
--- src/handles.h	(revision 1480)
+++ src/handles.h	(working copy)
@@ -225,6 +225,10 @@
 // if none exists.
 Handle<JSValue> GetScriptWrapper(Handle<Script> script);
 
+// Script line number computations.
+void InitScriptLineEnds(Handle<Script> script);
+int GetScriptLineNumber(Handle<Script> script, int code_position);
+
 // Computes the enumerable keys from interceptors. Used for debug mirrors and
 // by GetKeysInFixedArrayFor below.
 v8::Handle<v8::Array> GetKeysForNamedInterceptor(Handle<JSObject> receiver,