Insert panel icons on the left of other panel icons.

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

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller_per_app.h"
 
 #include <vector>
 
 #include "ash/ash_switches.h"
 #include "ash/launcher/launcher.h"
@@ skipping 308 matching lines @@
   id_to_item_controller_map_[id] = controller;
   controller->set_launcher_id(id);
   return id;
 }
 
 ash::LauncherID ChromeLauncherControllerPerApp::CreateAppLauncherItem(
     LauncherItemController* controller,
     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());
 }
 
 void ChromeLauncherControllerPerApp::SetItemStatus(
     ash::LauncherID id,
     ash::LauncherItemStatus status) {
   int index = model_->ItemIndexByID(id);
   // Since ordinary browser windows are not registered, we might get a negative
   // index here.
   if (index >= 0) {
@@ skipping 1324 matching lines @@
     browser_to_close.pop_back();
   }
 }
 
 void
 ChromeLauncherControllerPerApp::MoveItemWithoutPinnedStateChangeNotification(
     int source_index, int target_index) {
   base::AutoReset<bool> auto_reset(&ignore_persist_pinned_state_change_, true);
   model_->Move(source_index, target_index);
 }