DevTools: use shorthand syntax in interface definitions.

third_party/WebKit/Source/devtools/front_end/sources/SourceMapNamesResolver.js

 // Copyright 2016 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.
 Sources.SourceMapNamesResolver = {};
 
 Sources.SourceMapNamesResolver._cachedMapSymbol = Symbol('cache');
 Sources.SourceMapNamesResolver._cachedIdentifiersSymbol = Symbol('cachedIdentifiers');
 
 /**
  * @unrestricted
@@ skipping 134 matching lines @@
   function resolveSourceName(id) {
     var startEntry = sourceMap.findEntry(id.lineNumber, id.columnNumber);
     var endEntry = sourceMap.findEntry(id.lineNumber, id.columnNumber + id.name.length);
     if (!startEntry || !endEntry || !startEntry.sourceURL || startEntry.sourceURL !== endEntry.sourceURL ||
         !startEntry.sourceLineNumber || !startEntry.sourceColumnNumber || !endEntry.sourceLineNumber ||
         !endEntry.sourceColumnNumber)
       return Promise.resolve(/** @type {?string} */ (null));
     var sourceTextRange = new Common.TextRange(
         startEntry.sourceLineNumber, startEntry.sourceColumnNumber, endEntry.sourceLineNumber,
         endEntry.sourceColumnNumber);
-    var uiSourceCode = Bindings.NetworkProject.uiSourceCodeForScriptURL(Workspace.workspace, startEntry.sourceURL, script);
+    var uiSourceCode =
+        Bindings.NetworkProject.uiSourceCodeForScriptURL(Workspace.workspace, startEntry.sourceURL, script);
     if (!uiSourceCode)
       return Promise.resolve(/** @type {?string} */ (null));
 
     return uiSourceCode.requestContent().then(onSourceContent.bind(null, sourceTextRange));
   }
 
   /**
    * @param {!Common.TextRange} sourceTextRange
    * @param {?string} content
    * @return {?string}
@@ skipping 377 matching lines @@
   }
 
   /**
    * @override
    * @return {boolean}
    */
   isNode() {
     return this._object.isNode();
   }
 };