Refactor BreakLocationIterator.

src/objects.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/allocation.h"
@@ skipping 10755 matching lines @@
   Object* GetBreakPointInfo(int code_position);
   // Clear a break point.
   static void ClearBreakPoint(Handle<DebugInfo> debug_info,
                               int code_position,
                               Handle<Object> break_point_object);
   // Set a break point.
   static void SetBreakPoint(Handle<DebugInfo> debug_info, int code_position,
                             int source_position, int statement_position,
                             Handle<Object> break_point_object);
   // Get the break point objects for a code position.
-  Object* GetBreakPointObjects(int code_position);
+  Handle<Object> GetBreakPointObjects(int code_position);
   // Find the break point info holding this break point object.
-  static Object* FindBreakPointInfo(Handle<DebugInfo> debug_info,
-                                    Handle<Object> break_point_object);
+  static Handle<Object> FindBreakPointInfo(Handle<DebugInfo> debug_info,
+                                           Handle<Object> break_point_object);
   // Get the number of break points for this function.
   int GetBreakPointCount();
 
   DECLARE_CAST(DebugInfo)
 
   // Dispatched behavior.
   DECLARE_PRINTER(DebugInfo)
   DECLARE_VERIFIER(DebugInfo)
 
   static const int kSharedFunctionInfoIndex = Struct::kHeaderSize;
@@ skipping 193 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_