mash: Support ShelfModel access in Chrome.

chrome/browser/ui/ash/app_list/app_list_controller_ash.cc

Index: chrome/browser/ui/ash/app_list/app_list_controller_ash.cc
diff --git a/chrome/browser/ui/ash/app_list/app_list_controller_ash.cc b/chrome/browser/ui/ash/app_list/app_list_controller_ash.cc
index c944f12f1860fc7b0d712516420ae6a68549daf3..08f635310a22db4fe8edf1f90e39159042135b41 100644
--- a/chrome/browser/ui/ash/app_list/app_list_controller_ash.cc
+++ b/chrome/browser/ui/ash/app_list/app_list_controller_ash.cc
@@ -5,7 +5,6 @@
 #include "chrome/browser/ui/ash/app_list/app_list_controller_ash.h"
 
 #include "ash/shelf/shelf_model.h"
-#include "ash/shell.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller_util.h"
@@ -38,7 +37,7 @@ gfx::Rect AppListControllerDelegateAsh::GetAppListBounds() {
 }
 
 bool AppListControllerDelegateAsh::IsAppPinned(const std::string& app_id) {
-  return ash::Shell::Get()->shelf_model()->IsAppPinned(app_id);
+  return ChromeLauncherController::instance()->IsAppPinned(app_id);
 }
 
 bool AppListControllerDelegateAsh::IsAppOpen(const std::string& app_id) const {
@@ -46,11 +45,11 @@ bool AppListControllerDelegateAsh::IsAppOpen(const std::string& app_id) const {
 }
 
 void AppListControllerDelegateAsh::PinApp(const std::string& app_id) {
-  ash::Shell::Get()->shelf_model()->PinAppWithID(app_id);
+  ChromeLauncherController::instance()->PinAppWithID(app_id);
 }
 
 void AppListControllerDelegateAsh::UnpinApp(const std::string& app_id) {
-  ash::Shell::Get()->shelf_model()->UnpinAppWithID(app_id);
+  ChromeLauncherController::instance()->UnpinAppWithID(app_id);
 }
 
 AppListControllerDelegate::Pinnable AppListControllerDelegateAsh::GetPinnable(