Devtools: [WIP] Implement enhanced devtools extension language APIs

Source/devtools/front_end/workspace/Workspace.js

Index: Source/devtools/front_end/workspace/Workspace.js
diff --git a/Source/devtools/front_end/workspace/Workspace.js b/Source/devtools/front_end/workspace/Workspace.js
index 1ee582eb65a3318aeb973e6989d73da437c11842..53f48e02796205635cc73b4c0fbaa97a6f948a12 100644
--- a/Source/devtools/front_end/workspace/Workspace.js
+++ b/Source/devtools/front_end/workspace/Workspace.js
@@ -573,6 +573,7 @@ WebInspector.Workspace = function(fileSystemMapping)
 WebInspector.Workspace.Events = {
     UISourceCodeAdded: "UISourceCodeAdded",
     UISourceCodeRemoved: "UISourceCodeRemoved",
+    UISourceCodeEdited: "UISourceCodeEdited",
     UISourceCodeContentCommitted: "UISourceCodeContentCommitted",
     ProjectAdded: "ProjectAdded",
     ProjectRemoved: "ProjectRemoved"
@@ -630,6 +631,20 @@ WebInspector.Workspace.prototype = {
     },
 
     /**
+     * @param {string} url
+     * @return {?WebInspector.UISourceCode}
+     */
+    uiSourceCodeForFilePath: function(url) {
+        var items = this.uiSourceCodesForProjectType(WebInspector.projectTypes.FileSystem);
+        for (var i = 0; i < items.length; ++i) {
+            var item = items[i];
+            if (item.uri() === url)
+                return item;
+        }
+        return null;
+    },
+
+    /**
      * @param {string} type
      * @return {!Array.<!WebInspector.UISourceCode>}
      */