Devtools: get rid of ProjectWillReset event, introduce ProjectRemoved instead of it

Source/devtools/front_end/sdk/ContentProviderBasedProjectDelegate.js

 /*
  * Copyright (C) 2013 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 22 matching lines @@
  * @implements {WebInspector.ProjectDelegate}
  * @param {!WebInspector.Workspace} workspace
  * @param {string} id
  * @param {!WebInspector.projectTypes} type
  */
 WebInspector.ContentProviderBasedProjectDelegate = function(workspace, id, type)
 {
     this._type = type;
     /** @type {!Object.<string, !WebInspector.ContentProvider>} */
     this._contentProviders = {};
+    this._workspace = workspace;
+    this._id = id;
     this._projectStore = workspace.addProject(id, this);
 }
 
 WebInspector.ContentProviderBasedProjectDelegate.prototype = {
     /**
      * @return {string}
      */
     type: function()
     {
         return this._type;
@@ skipping 274 matching lines @@
      * @return {!Object.<string, !WebInspector.ContentProvider>}
      */
     contentProviders: function()
     {
         return this._contentProviders;
     },
 
     reset: function()
     {
         this._contentProviders = {};
-        this._projectStore.reset();
+        this._workspace.removeProject(this._id);
+        this._projectStore = this._workspace.addProject(this._id, this);

[vsevik, 2014/06/04 06:04:50]

Looks like there are cases when we addProject with the same id again after that.
But this was happening even before this patch so we could ignore this for now.

     }
 }