[Aura] Implement views-based applist.

chrome/browser/ui/views/aura/chrome_shell_delegate.cc

Index: chrome/browser/ui/views/aura/chrome_shell_delegate.cc
diff --git a/chrome/browser/ui/views/aura/chrome_shell_delegate.cc b/chrome/browser/ui/views/aura/chrome_shell_delegate.cc
index fdfee855693203798230df1548913b8f6dbbb09a..fbf3c55d5a941c7e63925466bf86dba119f27053 100644
--- a/chrome/browser/ui/views/aura/chrome_shell_delegate.cc
+++ b/chrome/browser/ui/views/aura/chrome_shell_delegate.cc
@@ -4,12 +4,16 @@
 
 #include "chrome/browser/ui/views/aura/chrome_shell_delegate.h"
 
+#include "base/command_line.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/views/aura/app_list_window.h"
+#include "chrome/browser/ui/views/aura/app_list/app_list_model.h"
 #include "chrome/browser/ui/views/aura/status_area_host_aura.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
+#include "ui/aura/aura_switches.h"
 #include "ui/aura/window.h"
+#include "ui/aura_shell/app_list/app_list_view.h"
 #include "ui/aura_shell/launcher/launcher_types.h"
 #include "ui/aura_shell/window_util.h"
 
@@ -61,8 +65,11 @@ views::Widget* ChromeShellDelegate::CreateStatusArea() {
 void ChromeShellDelegate::RequestAppListWidget(
     const gfx::Rect& bounds,
     const SetWidgetCallback& callback) {
-  // AppListWindow deletes itself when closed.
-  new AppListWindow(bounds, callback);
+  // AppListWindow and AppListView deletes itself when closed.
+  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kAuraViewsAppList))
+    new aura_shell::AppListView(new AppListModel(), bounds, callback);
+  else
+    new AppListWindow(bounds, callback);
 }
 
 void ChromeShellDelegate::LauncherItemClicked(