ash: Eliminate PointerWatcherDelegate

chrome/browser/ui/ash/chrome_shell_delegate.cc

Index: chrome/browser/ui/ash/chrome_shell_delegate.cc
diff --git a/chrome/browser/ui/ash/chrome_shell_delegate.cc b/chrome/browser/ui/ash/chrome_shell_delegate.cc
index 70753a08b81e99222369a1147d3a1decfcd10cb8..0a6bf5a4d3bf6146562573c0a227ed8945b6f8a7 100644
--- a/chrome/browser/ui/ash/chrome_shell_delegate.cc
+++ b/chrome/browser/ui/ash/chrome_shell_delegate.cc
@@ -18,7 +18,6 @@
 #include "ash/common/wm/window_state.h"
 #include "ash/common/wm_shell.h"
 #include "ash/content/gpu_support_impl.h"
-#include "ash/pointer_watcher_delegate_aura.h"
 #include "ash/shell.h"
 #include "ash/wm/window_util.h"
 #include "base/command_line.h"
@@ -433,11 +432,6 @@ ash::ShelfDelegate* ChromeShellDelegate::CreateShelfDelegate(
   return shelf_delegate_;
 }
 
-std::unique_ptr<ash::PointerWatcherDelegate>
-ChromeShellDelegate::CreatePointerWatcherDelegate() {
-  return base::WrapUnique(new ash::PointerWatcherDelegateAura);
-}
-
 ui::MenuModel* ChromeShellDelegate::CreateContextMenu(
     ash::WmShelf* wm_shelf,
     const ash::ShelfItem* item) {