DevTools: copy protocol files to front-end to fix hosted mode

third_party/WebKit/Source/devtools/front_end/Runtime.js

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 98 matching lines @@
  * @param {!Array.<string>} scriptNames
  * @param {string=} base
  * @return {!Promise.<undefined>}
  */
 function loadScriptsPromise(scriptNames, base)
 {
     /** @type {!Array<!Promise<undefined>>} */
     var promises = [];
     /** @type {!Array<string>} */
     var urls = [];
+    var pauseSourceEvaluation = false;
     var sources = new Array(scriptNames.length);
     var scriptToEval = 0;
     for (var i = 0; i < scriptNames.length; ++i) {
         var scriptName = scriptNames[i];
         var sourceURL = (base || self._importScriptPathPrefix) + scriptName;
 
         var schemaIndex = sourceURL.indexOf("://") + 3;
         var pathIndex = sourceURL.indexOf("/", schemaIndex);
         if (pathIndex === -1)
             pathIndex = sourceURL.length;
         sourceURL = sourceURL.substring(0, pathIndex) + normalizePath(sourceURL.substring(pathIndex));
 
         if (_loadedScripts[sourceURL])
             continue;
         urls.push(sourceURL);
-        promises.push(loadResourcePromise(sourceURL).then(scriptSourceLoaded.bind(null, i), scriptSourceLoaded.bind(null, i, undefined)));
+        var promise = loadResourcePromise(sourceURL)
+            .then(scriptSource => scriptSource || "")
+            .catch(e => "");
+        promises.push(promise);
     }
-    return Promise.all(promises).then(undefined);
+    var allSourcesPromise = /** @type {!Promise<!Array<string>>} */(Promise.all(promises));
+    return allSourcesPromise.then(evaluateSources);
 
     /**
-     * @param {number} scriptNumber
-     * @param {string=} scriptSource
+     * @param {!Array<string>} sources
+     * @return {!Promise}
      */
-    function scriptSourceLoaded(scriptNumber, scriptSource)
+    function evaluateSources(sources)
     {
-        sources[scriptNumber] = scriptSource || "";
-        // Eval scripts as fast as possible.
-        while (typeof sources[scriptToEval] !== "undefined") {
-            evaluateScript(urls[scriptToEval], sources[scriptToEval]);
-            ++scriptToEval;
-        }
+        var result = Promise.resolve();
+        for (var i = 0; i < sources.length; ++i)
+            result = result.then(evaluateScript.bind(null, urls[i], sources[i]));
+        return result;
     }
 
     /**
      * @param {string} sourceURL
      * @param {string=} scriptSource
+     * @return {?Promise}
      */
     function evaluateScript(sourceURL, scriptSource)
     {
         _loadedScripts[sourceURL] = true;
         if (!scriptSource) {
             // Do not reject, as this is normal in the hosted mode.
             console.error("Empty response arrived for script '" + sourceURL + "'");
-            return;
+            return null;
         }
-        self.eval(scriptSource + "\n//# sourceURL=" + sourceURL);
+        var result = self.eval(scriptSource + "\n//# sourceURL=" + sourceURL);
+        return result instanceof Promise ? result : null;
     }
 }
 
 (function() {
     var baseUrl = self.location ? self.location.origin + self.location.pathname : "";
     self._importScriptPathPrefix = baseUrl.substring(0, baseUrl.lastIndexOf("/") + 1);
 })();
 
 /**
  * @constructor
@@ skipping 1003 matching lines @@
 {
     var sourceURL = self.location.href;
     if (self.location.search)
         sourceURL = sourceURL.replace(self.location.search, "");
     sourceURL = sourceURL.substring(0, sourceURL.lastIndexOf("/") + 1) + path;
     return "\n/*# sourceURL=" + sourceURL + " */";
 }
 
 /** @type {!Runtime} */
 var runtime;