Rename the net_internals file names to include hyphens.

chrome/browser/resources/net_internals/resizable_vertical_split_view.js

 // Copyright (c) 2011 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.
 
 /**
  * This view implements a vertically split display with a draggable divider.
  *
  *                  <<-- sizer -->>
  *
  *  +----------------------++----------------+
@@ skipping 117 matching lines @@
  */
 ResizableVerticalSplitView.prototype.onDragSizerEnd = function(event) {
   window.removeEventListener('mousemove', this.sizerMouseMoveListener_, true);
   window.removeEventListener('mouseup', this.sizerMouseUpListener_, true);
 
   this.sizerMouseMoveListener_ = null;
   this.sizerMouseUpListener_ = null;
 
   event.preventDefault();
 };