DevTools: introduce CSSStyleSheetHeader.originalContentProvider() method

third_party/WebKit/Source/devtools/front_end/common/StaticContentProvider.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @constructor
  * @implements {WebInspector.ContentProvider}
+ * @param {string} contentURL
  * @param {!WebInspector.ResourceType} contentType
- * @param {string} content
- * @param {string} contentURL
+ * @param {!Promise<string>} contentGetter
  */
-WebInspector.StaticContentProvider = function(contentType, content, contentURL)
+WebInspector.StaticContentProvider = function(contentURL, contentType, contentGetter)
 {
-    this._content = content;
+    this._contentURL = contentURL;
     this._contentType = contentType;
-    this._contentURL = contentURL;
-}
-
-/**
- * @param {string} content
- * @param {string} query
- * @param {boolean} caseSensitive
- * @param {boolean} isRegex
- * @param {function(!Array.<!WebInspector.ContentProvider.SearchMatch>)} callback
- */
-WebInspector.StaticContentProvider.searchInContent = function(content, query, caseSensitive, isRegex, callback)
-{
-    function performSearch()
-    {
-        callback(WebInspector.ContentProvider.performSearchInContent(content, query, caseSensitive, isRegex));
-    }
-
-    // searchInContent should call back later.
-    setTimeout(performSearch.bind(null), 0);
+    this._contentGetter = contentGetter;
 }
 
 WebInspector.StaticContentProvider.prototype = {
     /**
      * @override
      * @return {string}
      */
     contentURL: function()
     {
         return this._contentURL;
     },
 
     /**
      * @override
      * @return {!WebInspector.ResourceType}
      */
     contentType: function()
     {
         return this._contentType;
     },
 
     /**
      * @override
      * @return {!Promise<?string>}
      */
     requestContent: function()
     {
-        return Promise.resolve(/** @type {?string} */(this._content));
+        return /** @type {!Promise<?string>} */(this._contentGetter);
     },
 
     /**
      * @override
      * @param {string} query
      * @param {boolean} caseSensitive
      * @param {boolean} isRegex
      * @param {function(!Array.<!WebInspector.ContentProvider.SearchMatch>)} callback
      */
     searchInContent: function(query, caseSensitive, isRegex, callback)
     {
-        WebInspector.StaticContentProvider.searchInContent(this._content, query, caseSensitive, isRegex, callback);
+        /**
+         * @param {string} content
+         */
+        function performSearch(content)
+        {
+            callback(WebInspector.ContentProvider.performSearchInContent(content, query, caseSensitive, isRegex));
+        }
+
+        this._contentGetter.then(performSearch);
     }
 }