[win] Change app launcher profile indicator to be a menu.

ash/shell/app_list.cc

Index: ash/shell/app_list.cc
diff --git a/ash/shell/app_list.cc b/ash/shell/app_list.cc
index 6b69b87964561864885bb76de8c3c743e9d2ba5a..ebf2f8721633d5532b33a5ce8506688b91150222 100644
--- a/ash/shell/app_list.cc
+++ b/ash/shell/app_list.cc
@@ -293,6 +293,22 @@ class ExampleAppListViewDelegate : public app_list::AppListViewDelegate {
     return gfx::ImageSkia();
   }
 
+  virtual string16 GetCurrentUserName() {
+    return string16();
+  }
+
+  virtual string16 GetCurrentUserEmail() {
+    return string16();
+  }
+
+  virtual void OpenSettings() {
+    // Nothing needs to be done.
+  }
+
+  virtual void OpenFeedback() {
+    // Nothing needs to be done.
+  }
+
   app_list::AppListModel* model_;
 
   DISALLOW_COPY_AND_ASSIGN(ExampleAppListViewDelegate);