DevTools: Calculate number of warnings and errors and listen for pause in all targets

Source/devtools/front_end/sdk/ConsoleModel.js

 /*
  * Copyright (C) 2011 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 130 matching lines @@
     },
 
     requestClearMessages: function()
     {
         this._consoleAgent.clearMessages();
         this.clearMessages();
     },
 
     clearMessages: function()
     {
-        this.dispatchEventToListeners(WebInspector.ConsoleModel.Events.ConsoleCleared);
-
         this.messages = [];
         this.errors = 0;
         this.warnings = 0;
+        this.dispatchEventToListeners(WebInspector.ConsoleModel.Events.ConsoleCleared);
     },
 
     __proto__: WebInspector.SDKObject.prototype
 }
 
 /**
  * @param {!WebInspector.ExecutionContext} executionContext
  * @param {string} text
  * @param {boolean=} useCommandLineAPI
  */
@@ skipping 322 matching lines @@
     {
         if (!WebInspector.settings.preserveConsoleLog.get())
             this._console.clearMessages();
     }
 }
 
 /**
  * @type {!WebInspector.ConsoleModel}
  */
 WebInspector.consoleModel;