DevTools: Only provide static script content to UISourceCode

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

Index: third_party/WebKit/Source/devtools/front_end/common/StaticContentProvider.js
diff --git a/third_party/WebKit/Source/devtools/front_end/common/StaticContentProvider.js b/third_party/WebKit/Source/devtools/front_end/common/StaticContentProvider.js
index 7403bb85738b3f922c819a190c04c41a41c91b62..d7df1c8b3f37e99fd88c0c8e38601ecd7bcdd8f0 100644
--- a/third_party/WebKit/Source/devtools/front_end/common/StaticContentProvider.js
+++ b/third_party/WebKit/Source/devtools/front_end/common/StaticContentProvider.js
@@ -9,7 +9,7 @@ Common.StaticContentProvider = class {
   /**
    * @param {string} contentURL
    * @param {!Common.ResourceType} contentType
-   * @param {function():!Promise<string>} lazyContent
+   * @param {function():!Promise<?string>} lazyContent
    */
   constructor(contentURL, contentType, lazyContent) {
     this._contentURL = contentURL;
@@ -49,7 +49,7 @@ Common.StaticContentProvider = class {
    * @return {!Promise<?string>}
    */
   requestContent() {
-    return /** @type {!Promise<?string>} */ (this._lazyContent());
+    return this._lazyContent();
   }
 
   /**
@@ -61,10 +61,10 @@ Common.StaticContentProvider = class {
    */
   searchInContent(query, caseSensitive, isRegex, callback) {
     /**
-     * @param {string} content
+     * @param {?string} content
      */
     function performSearch(content) {
-      callback(Common.ContentProvider.performSearchInContent(content, query, caseSensitive, isRegex));
+      callback(Common.ContentProvider.performSearchInContent(content || '', query, caseSensitive, isRegex));
     }
 
     this._lazyContent().then(performSearch);