Revert of Revert of DevTools: Introduce module initializers

Source/devtools/front_end/source_frame/_module.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.
+
+importScript("../cm/codemirror.js");
+importScript("../cm/css.js");
+importScript("../cm/javascript.js");
+importScript("../cm/xml.js");
+importScript("../cm/htmlmixed.js");
+
+importScript("../cm/matchbrackets.js");
+importScript("../cm/closebrackets.js");
+importScript("../cm/markselection.js");
+importScript("../cm/comment.js");
+importScript("../cm/overlay.js");
+
+importScript("../cm/htmlembedded.js");
+importScript("../cm/clike.js");
+importScript("../cm/coffeescript.js");
+importScript("../cm/php.js");
+importScript("../cm/python.js");
+importScript("../cm/shell.js");
+importScript("CodeMirrorUtils.js");
+importScript("CodeMirrorTextEditor.js");
+importScript("SourceFrame.js");
+
+importScript("GoToLineDialog.js");
+importScript("ResourceView.js");
+importScript("FontView.js");
+importScript("ImageView.js");