Revert "Revert "Support multiple DOM isolates and tweak devtools frontend to better handle large #s…

Source/devtools/front_end/sdk/RuntimeModel.js

 /*
  * Copyright (C) 2012 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 180 matching lines @@
  * @param {!WebInspector.ExecutionContext} b
  * @return {number}
  */
 WebInspector.ExecutionContext.comparator = function(a, b)
 {
     // Main world context should always go first.
     if (a.isMainWorldContext)
         return -1;
     if (b.isMainWorldContext)
         return +1;
-    return a.name.localeCompare(b.name);
+    var delta = a.name.localeCompare(b.name);
+    if (delta != 0) return delta;
+    return a.origin.localeCompare(b.origin);
 }
 
 WebInspector.ExecutionContext.prototype = {
 
     /**
      * @param {string} expression
      * @param {string} objectGroup
      * @param {boolean} includeCommandLineAPI
      * @param {boolean} doNotPauseOnExceptionsAndMuteConsole
      * @param {boolean} returnByValue
@@ skipping 292 matching lines @@
         completionsReadyCallback(results);
     },
 
     __proto__: WebInspector.SDKObject.prototype
 }
 
 /**
  * @type {!WebInspector.RuntimeModel}
  */
 WebInspector.runtimeModel;