DevTools: extract modules (with extensions)

third_party/WebKit/Source/devtools/front_end/layer_viewer/PaintProfilerView.js

Index: third_party/WebKit/Source/devtools/front_end/layer_viewer/PaintProfilerView.js
diff --git a/third_party/WebKit/Source/devtools/front_end/layer_viewer/PaintProfilerView.js b/third_party/WebKit/Source/devtools/front_end/layer_viewer/PaintProfilerView.js
index bce1b157c7f5ab0c3de7e1f82360c631ad26633a..5722c393d1fed22ead97c174d3b82e2263e0c635 100644
--- a/third_party/WebKit/Source/devtools/front_end/layer_viewer/PaintProfilerView.js
+++ b/third_party/WebKit/Source/devtools/front_end/layer_viewer/PaintProfilerView.js
@@ -42,7 +42,7 @@ LayerViewer.PaintProfilerView = class extends UI.HBox {
     this._canvasContainer = this.contentElement.createChild('div', 'paint-profiler-canvas-container');
     this._progressBanner = this.contentElement.createChild('div', 'full-widget-dimmed-banner hidden');
     this._progressBanner.textContent = Common.UIString('Profiling\u2026');
-    this._pieChart = new UI.PieChart(55, this._formatPieChartTime.bind(this), true);
+    this._pieChart = new Perf_UI.PieChart(55, this._formatPieChartTime.bind(this), true);
     this._pieChart.element.classList.add('paint-profiler-pie-chart');
     this.contentElement.appendChild(this._pieChart.element);
 
@@ -50,8 +50,8 @@ LayerViewer.PaintProfilerView = class extends UI.HBox {
 
     this._canvas = this._canvasContainer.createChild('canvas', 'fill');
     this._context = this._canvas.getContext('2d');
-    this._selectionWindow = new UI.OverviewGrid.Window(this._canvasContainer);
-    this._selectionWindow.addEventListener(UI.OverviewGrid.Events.WindowChanged, this._onWindowChanged, this);
+    this._selectionWindow = new Perf_UI.OverviewGrid.Window(this._canvasContainer);
+    this._selectionWindow.addEventListener(Perf_UI.OverviewGrid.Events.WindowChanged, this._onWindowChanged, this);
 
     this._innerBarWidth = 4 * window.devicePixelRatio;
     this._minBarHeight = window.devicePixelRatio;