DevTools: remove style reuse from flamechart clients, prepare it to become a component.

Source/devtools/front_end/profiler/HeapSnapshotView.js

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 1728 matching lines @@
 }
 
 /**
  * @constructor
  * @extends {WebInspector.VBox}
  * @param {!WebInspector.HeapProfileHeader} heapProfileHeader
  */
 WebInspector.HeapTrackingOverviewGrid = function(heapProfileHeader)
 {
     WebInspector.VBox.call(this);
-    this.registerRequiredCSS("flameChart.css");
     this.element.id = "heap-recording-view";
     this.element.classList.add("heap-tracking-overview");
 
-    this._overviewContainer = this.element.createChild("div", "overview-container");
+    this._overviewContainer = this.element.createChild("div", "heap-overview-container");
     this._overviewGrid = new WebInspector.OverviewGrid("heap-recording");
     this._overviewGrid.element.classList.add("fill");
 
     this._overviewCanvas = this._overviewContainer.createChild("canvas", "heap-recording-overview-canvas");
     this._overviewContainer.appendChild(this._overviewGrid.element);
     this._overviewCalculator = new WebInspector.HeapTrackingOverviewGrid.OverviewCalculator();
     this._overviewGrid.addEventListener(WebInspector.OverviewGrid.Events.WindowChanged, this._onWindowChanged, this);
 
     this._profileSamples = heapProfileHeader._profileSamples;
     if (heapProfileHeader.profileType().profileBeingRecorded() === heapProfileHeader) {
@@ skipping 443 matching lines @@
             name.textContent = frame.functionName;
             if (frame.scriptId) {
                 var urlElement = this._linkifier.linkifyScriptLocation(this._target, String(frame.scriptId), frame.scriptName, frame.line - 1, frame.column - 1);
                 frameDiv.appendChild(urlElement);
             }
         }
     },
 
     __proto__: WebInspector.View.prototype
 }