[DevTools] Consolidate overlay-related functionality in Overlay domain

third_party/WebKit/Source/devtools/front_end/timeline/TimelineFlameChartView.js

 // Copyright 2016 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.
 
 /**
  * @implements {Timeline.TimelineModeView}
  * @implements {PerfUI.FlameChartDelegate}
  * @implements {UI.Searchable}
  * @unrestricted
  */
@@ skipping 136 matching lines @@
     var extensions = this._model.extensionInfo();
     while (this._nextExtensionIndex < extensions.length)
       this._mainDataProvider.appendExtensionEvents(extensions[this._nextExtensionIndex++]);
     this._mainFlameChart.scheduleUpdate();
   }
 
   /**
    * @param {!Common.Event} commonEvent
    */
   _onEntryHighlighted(commonEvent) {
-    SDK.DOMModel.hideDOMNodeHighlight();
+    SDK.OverlayModel.hideDOMNodeHighlight();
     var entryIndex = /** @type {number} */ (commonEvent.data);
     var event = this._mainDataProvider.eventByIndex(entryIndex);
     if (!event)
       return;
     var target = this._model && this._model.timelineModel().targetByEvent(event);
     if (!target)
       return;
     var timelineData = TimelineModel.TimelineData.forEvent(event);
     var backendNodeId = timelineData.backendNodeId;
     if (!backendNodeId)
@@ skipping 356 matching lines @@
       context.translate(this._style.lineWidth < 1 || (this._style.lineWidth & 1) ? 0.5 : 0, 0.5);
       context.beginPath();
       context.moveTo(x, height);
       context.setLineDash(this._style.dashStyle);
       context.lineTo(x, context.canvas.height);
       context.stroke();
     }
     context.restore();
   }
 };