Add line table command to debugger

runtime/bin/dbg_message.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef BIN_DBG_MESSAGE_H_
 #define BIN_DBG_MESSAGE_H_
 
 #include "bin/builtin.h"
 #include "bin/utils.h"
 
@@ skipping 86 matching lines @@
   static bool HandleStepOutCmd(DbgMessage* msg);
   static bool HandleGetLibrariesCmd(DbgMessage* msg);
   static bool HandleGetClassPropsCmd(DbgMessage* msg);
   static bool HandleGetLibPropsCmd(DbgMessage* msg);
   static bool HandleSetLibPropsCmd(DbgMessage* msg);
   static bool HandleGetGlobalsCmd(DbgMessage* msg);
   static bool HandleGetObjPropsCmd(DbgMessage* msg);
   static bool HandleGetListCmd(DbgMessage* msg);
   static bool HandleGetScriptURLsCmd(DbgMessage* msg);
   static bool HandleGetSourceCmd(DbgMessage* msg);
+  static bool HandleGetLineNumbersCmd(DbgMessage* msg);
   static bool HandleGetStackTraceCmd(DbgMessage* msg);
   static bool HandlePauseOnExcCmd(DbgMessage* msg);
   static bool HandleSetBpCmd(DbgMessage* msg);
   static bool HandleRemBpCmd(DbgMessage* msg);
 
  private:
   DbgMessage* next_;  // Next message in the queue.
   int32_t cmd_idx_;  // Isolate specific debugger command index.
   char* buffer_;  // Debugger command message.
   int32_t buffer_len_;  // Length of the debugger command message.
@@ skipping 133 matching lines @@
   static DbgMsgQueue* GetIsolateMsgQueueLocked(Dart_IsolateId isolate_id);
 
   static DbgMsgQueue* list_;
   static dart::Mutex msg_queue_list_lock_;
 
   DISALLOW_ALLOCATION();
   DISALLOW_IMPLICIT_CONSTRUCTORS(DbgMsgQueueList);
 };
 
 #endif  // BIN_DBG_MESSAGE_H_