DevTools: Introduce module initializers

Source/devtools/front_end/script_formatter_worker/ScriptFormatterWorker.js

Index: Source/devtools/front_end/script_formatter_worker/ScriptFormatterWorker.js
diff --git a/Source/devtools/front_end/script_formatter_worker/ScriptFormatterWorker.js b/Source/devtools/front_end/script_formatter_worker/ScriptFormatterWorker.js
index bcb5b9a3acf2be7c989aa96d0a523fbc0f05ff80..b206ac5df26d45e507d5626023d9ec60518702c1 100644
--- a/Source/devtools/front_end/script_formatter_worker/ScriptFormatterWorker.js
+++ b/Source/devtools/front_end/script_formatter_worker/ScriptFormatterWorker.js
@@ -27,13 +27,6 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-importScripts("../common/utilities.js");
-importScripts("../cm/headlesscodemirror.js");
-importScripts("../cm/css.js");
-importScripts("../cm/javascript.js");
-importScripts("../cm/xml.js");
-importScripts("../cm/htmlmixed.js");
-WebInspector = {};
 FormatterWorker = {
     /**
      * @param {string} mimeType
@@ -497,15 +490,11 @@ FormatterWorker.HTMLFormatter.prototype = {
  */
 function require()
 {
-    return parse;
+    return tokenizerHolder;
 }
 
 /**
  * @type {!{tokenizer}}
  */
 var exports = { tokenizer: null };
-importScripts("../UglifyJS/parse-js.js");
-var parse = exports;
-
-importScripts("JavaScriptFormatter.js");
-importScripts("CSSFormatter.js");
+var tokenizerHolder = exports;