DevTools: Add a checkbox to enable async stacks in the sidebar header.

Source/devtools/front_end/SettingsScreen.js

Index: Source/devtools/front_end/SettingsScreen.js
diff --git a/Source/devtools/front_end/SettingsScreen.js b/Source/devtools/front_end/SettingsScreen.js
index a5c13c866ed2584421890af6c5f3097045fe8f06..82b94632350ba4a0afc220b0aebc5a6e111f0611 100644
--- a/Source/devtools/front_end/SettingsScreen.js
+++ b/Source/devtools/front_end/SettingsScreen.js
@@ -395,8 +395,6 @@ WebInspector.GenericSettingsTab = function()
     WebInspector.settings.skipStackFramesSwitch.addChangeListener(this._skipStackFramesSwitchOrPatternChanged, this);
     WebInspector.settings.skipStackFramesPattern.addChangeListener(this._skipStackFramesSwitchOrPatternChanged, this);
 
-    p.appendChild(WebInspector.SettingsTab.createSettingCheckbox(WebInspector.UIString("Enable async stack traces"), WebInspector.settings.enableAsyncStackTraces));
-
     p = this._appendSection(WebInspector.UIString("Profiler"));
     p.appendChild(WebInspector.SettingsTab.createSettingCheckbox(WebInspector.UIString("Show advanced heap snapshot properties"), WebInspector.settings.showAdvancedHeapSnapshotProperties));
     p.appendChild(WebInspector.SettingsTab.createSettingCheckbox(WebInspector.UIString("High resolution CPU profiling"), WebInspector.settings.highResolutionCpuProfiling));