Insert panel icons on the left of other panel icons.

chrome/browser/ui/ash/launcher/chrome_launcher_controller_per_app.cc

Index: chrome/browser/ui/ash/launcher/chrome_launcher_controller_per_app.cc
diff --git a/chrome/browser/ui/ash/launcher/chrome_launcher_controller_per_app.cc b/chrome/browser/ui/ash/launcher/chrome_launcher_controller_per_app.cc
index 3425019e5c62d0fb5da37b6a2fe0eefdc7be9f65..a1e9c3d41c9813b56a192102bf01e0e3288a158d 100644
--- a/chrome/browser/ui/ash/launcher/chrome_launcher_controller_per_app.cc
+++ b/chrome/browser/ui/ash/launcher/chrome_launcher_controller_per_app.cc
@@ -326,10 +326,13 @@ ash::LauncherID ChromeLauncherControllerPerApp::CreateAppLauncherItem(
     const std::string& app_id,
     ash::LauncherItemStatus status) {
   CHECK(controller);
+  // Panels are inserted on the left so as not to push all existing panels over.
+  int index = controller->GetLauncherItemType() == ash::TYPE_APP_PANEL ?
+      0 : model_->item_count();
   return InsertAppLauncherItem(controller,
                                app_id,
                                status,
-                               model_->item_count(),
+                               index,
                                controller->GetLauncherItemType());
 }