Allow configuring CPU profiler sampling interval

Source/devtools/front_end/Settings.js

 /*
  * Copyright (C) 2009 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 72 matching lines @@
     this.emulateTouchEvents = this.createSetting("emulateTouchEvents", false);
     this.showShadowDOM = this.createSetting("showShadowDOM", false);
     this.zoomLevel = this.createSetting("zoomLevel", 0);
     this.savedURLs = this.createSetting("savedURLs", {});
     this.javaScriptDisabled = this.createSetting("javaScriptDisabled", false);
     this.overrideGeolocation = this.createSetting("overrideGeolocation", false);
     this.geolocationOverride = this.createSetting("geolocationOverride", "");
     this.overrideDeviceOrientation = this.createSetting("overrideDeviceOrientation", false);
     this.deviceOrientationOverride = this.createSetting("deviceOrientationOverride", "");
     this.showAdvancedHeapSnapshotProperties = this.createSetting("showAdvancedHeapSnapshotProperties", false);
+    this.highResolutionCpuProfiling = this.createSetting("highResolutionCpuProfiling", false);
     this.searchInContentScripts = this.createSetting("searchInContentScripts", false);
     this.textEditorIndent = this.createSetting("textEditorIndent", "    ");
     this.textEditorAutoDetectIndent = this.createSetting("textEditorAutoIndentIndent", true);
     this.lastDockState = this.createSetting("lastDockState", "");
     this.cssReloadEnabled = this.createSetting("cssReloadEnabled", false);
     this.showCpuOnTimelineRuler = this.createSetting("showCpuOnTimelineRuler", false);
     this.timelineStackFramesToCapture = this.createSetting("timelineStackFramesToCapture", 30);
     this.timelineLimitStackFramesFlag = this.createSetting("timelineLimitStackFramesFlag", false);
     this.showMetricsRulers = this.createSetting("showMetricsRulers", false);
     this.overrideCSSMedia = this.createSetting("overrideCSSMedia", false);
@@ skipping 364 matching lines @@
     {
         // If there are too many breakpoints in a storage, it is likely due to a recent bug that caused
         // periodical breakpoints duplication leading to inspector slowness.
         if (breakpointsSetting.get().length > maxBreakpointsCount)
             breakpointsSetting.set([]);
     }
 }
 
 WebInspector.settings = new WebInspector.Settings();
 WebInspector.experimentsSettings = new WebInspector.ExperimentsSettings();