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

Source/devtools/front_end/documentation/module.json

Index: Source/devtools/front_end/documentation/module.json
diff --git a/Source/devtools/front_end/documentation/module.json b/Source/devtools/front_end/documentation/module.json
index f6041b03d28ad663da807067c190b4d911ea6e98..3178d2bc1894c8060427c04b7a10d82adfe18f2d 100644
--- a/Source/devtools/front_end/documentation/module.json
+++ b/Source/devtools/front_end/documentation/module.json
@@ -1,3 +1,10 @@
 {
+    "extensions": [
+        {
+            "type": "@WebInspector.ContextMenu.Provider",
+            "contextTypes": [ "WebInspector.CodeMirrorTextEditor" ],
+            "className": "WebInspector.DocumentationView.ContextMenuProvider"
+        }
+    ],
     "scripts": [ "DocumentationView.js" ]
 }