web_dev_style: Fix errors in new directories and enable PRESUBMIT

ui/webui/resources/js/cr/ui/bubble.js

 // Copyright (c) 2012 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.
 
 // require: event_tracker.js
 
 // TODO(vitalyp): Inline the enums below into cr.ui definition function, remove
 // cr.exportPath() call and remove exportPath from exports in cr.js when this
 // issue will be fixed:
 // https://github.com/google/closure-compiler/issues/544
@@ skipping 164 matching lines @@
 
       if (this.bubbleAlignment_ == cr.ui.BubbleAlignment.ENTIRELY_VISIBLE) {
         // Work out horizontal placement. The bubble is initially positioned so
         // that the arrow tip points toward the midpoint of the anchor and is
         // BubbleBase.ARROW_OFFSET pixels from the reference edge and (as
         // specified by the arrow location). If the bubble is not entirely
         // within view, it is then shifted, preserving the arrow tip position.
         var left = this.arrowAtRight_ ?
             anchorMid + BubbleBase.ARROW_OFFSET - bubble.width :
             anchorMid - BubbleBase.ARROW_OFFSET;
-        var max_left_pos =
+        var maxLeftPos =
             documentWidth - bubble.width - BubbleBase.MIN_VIEWPORT_EDGE_MARGIN;
-        var min_left_pos = BubbleBase.MIN_VIEWPORT_EDGE_MARGIN;
+        var minLeftPos = BubbleBase.MIN_VIEWPORT_EDGE_MARGIN;
         if (document.documentElement.dir == 'rtl')
-          left = Math.min(Math.max(left, min_left_pos), max_left_pos);
+          left = Math.min(Math.max(left, minLeftPos), maxLeftPos);
         else
-          left = Math.max(Math.min(left, max_left_pos), min_left_pos);
+          left = Math.max(Math.min(left, maxLeftPos), minLeftPos);
         var arrowTip = Math.min(
             Math.max(
                 arrow.width / 2, this.arrowAtRight_ ?
                     left + bubble.width - anchorMid :
                     anchorMid - left),
             bubble.width - arrow.width / 2);
 
         // Work out the vertical placement, attempting to fit the bubble
         // entirely into view. The following placements are considered in
         // decreasing order of preference:
@@ skipping 332 matching lines @@
     },
   };
 
 
   return {
     BubbleBase: BubbleBase,
     Bubble: Bubble,
     AutoCloseBubble: AutoCloseBubble
   };
 });