Remove WINDOW_TYPE_V1_PANEL AppWindow type

chrome/browser/ui/views/apps/chrome_native_app_window_views.cc

 // Copyright 2014 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/views/apps/chrome_native_app_window_views.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "apps/ui/views/app_window_frame_view.h"
@@ skipping 342 matching lines @@
 
 // NativeAppWindowViews implementation.
 
 void ChromeNativeAppWindowViews::InitializeWindow(
     AppWindow* app_window,
     const AppWindow::CreateParams& create_params) {
   DCHECK(widget());
   has_frame_color_ = create_params.has_frame_color;
   active_frame_color_ = create_params.active_frame_color;
   inactive_frame_color_ = create_params.inactive_frame_color;
-  if (create_params.window_type == AppWindow::WINDOW_TYPE_PANEL ||
-      create_params.window_type == AppWindow::WINDOW_TYPE_V1_PANEL) {
+  if (create_params.window_type == AppWindow::WINDOW_TYPE_PANEL) {
     InitializePanelWindow(create_params);
   } else {
     InitializeDefaultWindow(create_params);
   }
   extension_keybinding_registry_.reset(new ExtensionKeybindingRegistryViews(
       Profile::FromBrowserContext(app_window->browser_context()),
       widget()->GetFocusManager(),
       extensions::ExtensionKeybindingRegistry::PLATFORM_APPS_ONLY,
       NULL));
 }