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

Source/devtools/front_end/sdk/ContentProviderBasedProjectDelegate.js

Index: Source/devtools/front_end/sdk/ContentProviderBasedProjectDelegate.js
diff --git a/Source/devtools/front_end/sdk/ContentProviderBasedProjectDelegate.js b/Source/devtools/front_end/sdk/ContentProviderBasedProjectDelegate.js
index f39393cc679d09a4dc799ed61813635ffb113824..528c31d8a6da6e60adb57fe83bb7c2f63ff02ab5 100644
--- a/Source/devtools/front_end/sdk/ContentProviderBasedProjectDelegate.js
+++ b/Source/devtools/front_end/sdk/ContentProviderBasedProjectDelegate.js
@@ -40,6 +40,8 @@ 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);
 }
 
@@ -334,6 +336,7 @@ WebInspector.ContentProviderBasedProjectDelegate.prototype = {
     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.

     }
 }