Move inspector/InspectorNodeIds to dom/DOMNodeIds.

Source/core/inspector/InspectorNodeIds.h

Index: Source/core/inspector/InspectorNodeIds.h
diff --git a/Source/core/inspector/InspectorNodeIds.h b/Source/core/inspector/InspectorNodeIds.h
deleted file mode 100644
index 8b56b5e4b8faf7345eb211bf727dbf3ff883ade5..0000000000000000000000000000000000000000
--- a/Source/core/inspector/InspectorNodeIds.h
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright 2014 The Chromium 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 InspectorNodeIds_h
-#define InspectorNodeIds_h
-
-namespace blink {
-
-class Node;
-
-class InspectorNodeIds {
-public:
-    static int idForNode(Node*);
-    static Node* nodeForId(int);
-};
-
-} // namespace blink
-
-
-#endif // !defined(InspectorNodeIds_h)