DevTools: Add JSDoc for static methods, fix JSDoc types and induced errors

Source/devtools/front_end/elements/StylesSidebarPane.js

Index: Source/devtools/front_end/elements/StylesSidebarPane.js
diff --git a/Source/devtools/front_end/elements/StylesSidebarPane.js b/Source/devtools/front_end/elements/StylesSidebarPane.js
index 7e8eaa0b99d95deafc57e4451e312025890faa3d..f1966ee0c875e5d1531d1dc4ad7e851a74893488 100644
--- a/Source/devtools/front_end/elements/StylesSidebarPane.js
+++ b/Source/devtools/front_end/elements/StylesSidebarPane.js
@@ -93,6 +93,7 @@ WebInspector.StylesSidebarPane._colorRegex = /((?:rgb|hsl)a?\([^)]+\)|#[0-9a-fA-
 
 /**
  * @param {!WebInspector.CSSProperty} property
+ * @return {!Element}
  */
 WebInspector.StylesSidebarPane.createExclamationMark = function(property)
 {
@@ -2688,7 +2689,7 @@ WebInspector.StylePropertyTreeElement.prototype = {
     },
 
     /**
-     * @param {!Element=} selectElement
+     * @param {?Element=} selectElement
      */
     startEditing: function(selectElement)
     {
@@ -2706,7 +2707,7 @@ WebInspector.StylePropertyTreeElement.prototype = {
         if (!selectElement)
             selectElement = this.nameElement; // No arguments passed in - edit the name element by default.
         else
-            selectElement = selectElement.enclosingNodeOrSelfWithClass("webkit-css-property") || selectElement.enclosingNodeOrSelfWithClass("value");
+            selectElement = /** @type {?Element} */ (selectElement.enclosingNodeOrSelfWithClass("webkit-css-property") || selectElement.enclosingNodeOrSelfWithClass("value"));

[aandrey, 2014/06/17 11:33:54]

why this cast?

[apavlov, 2014/06/17 12:46:03]

Thanks, refined the return type

 
         if (WebInspector.isBeingEdited(selectElement))
             return;