Revert of Refactor script position calculation

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index f2a859ca37a8396c5244ce06eca526f01d0f0db9..0bce56c402ab7de3f98b3cf605e86f7524676a0c 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -6418,6 +6418,14 @@
   // resource is accessible. Otherwise, always return true.
   inline bool HasValidSource();
 
+  // Convert code offset into column number.
+  static int GetColumnNumber(Handle<Script> script, int code_offset);
+
+  // Convert code offset into (zero-based) line number.
+  // The non-handlified version does not allocate, but may be much slower.
+  static int GetLineNumber(Handle<Script> script, int code_offset);
+  int GetLineNumber(int code_pos);
+
   static Handle<Object> GetNameOrSourceURL(Handle<Script> script);
 
   // Set eval origin for stack trace formatting.
@@ -6429,33 +6437,6 @@
 
   // Init line_ends array with source code positions of line ends.
   static void InitLineEnds(Handle<Script> script);
-
-  // Convert code offset into column number.
-  static int GetColumnNumber(Handle<Script> script, int code_offset);
-
-  // Convert code offset into (zero-based) line number.
-  // The non-handlified version does not allocate, but may be much slower.
-  static int GetLineNumber(Handle<Script> script, int code_offset);
-  int GetLineNumber(int code_pos);
-
-  // Carries information about a source position.
-  struct PositionInfo {
-    PositionInfo() : line(-1), column(-1), line_start(-1), line_end(-1) {}
-
-    int line;        // Zero-based line number.
-    int column;      // Zero-based column number.
-    int line_start;  // Position of first character in line.
-    int line_end;    // Position of last (non-linebreak) character in line.
-  };
-
-  // Specifies whether to add offsets to position infos.
-  enum OffsetFlag { kNoOffset = 0, kWithOffset = 1 };
-
-  // Retrieves information about the given position, optionally with an offset.
-  // Returns false on failure, and otherwise writes into the given info object
-  // on success.
-  bool GetPositionInfo(int position, PositionInfo* info,
-                       OffsetFlag offset_flag);
 
   // Get the JS object wrapping the given script; create it if none exists.
   static Handle<JSObject> GetWrapper(Handle<Script> script);