DevTools: Implement CSS/JS documentation context menu provider for CodeMirrorTextEditor

Source/devtools/front_end/common/Settings.js

Index: Source/devtools/front_end/common/Settings.js
diff --git a/Source/devtools/front_end/common/Settings.js b/Source/devtools/front_end/common/Settings.js
index 8afc5360d9f41434c5307486af423ec13a3e9cd3..3bbbe89c7727bb2501939af0fcdac39d9fb4a6ba 100644
--- a/Source/devtools/front_end/common/Settings.js
+++ b/Source/devtools/front_end/common/Settings.js
@@ -294,6 +294,7 @@ WebInspector.ExperimentsSettings = function(experimentsEnabled)
     this.devicesPanel = this._createExperiment("devicesPanel", "Devices panel");
     this.disableAgentsWhenProfile = this._createExperiment("disableAgentsWhenProfile", "Disable other agents and UI when profiler is active", true);
     this.dockToLeft = this._createExperiment("dockToLeft", "Dock to left", true);
+    this.documentation = this._createExperiment("documentation", "Documentation for JS and CSS", true);
     this.fileSystemInspection = this._createExperiment("fileSystemInspection", "FileSystem inspection");
     this.gpuTimeline = this._createExperiment("gpuTimeline", "GPU data on timeline", true);
     this.layersPanel = this._createExperiment("layersPanel", "Layers panel");