mus: Rename .*PointerWatcher.* to .*PointerDownWatcher.*.

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 eb20851f05d5e91e1374403e04dcad04e064d8f3..feea762972b980b3a4e422dfef18a9684ffb2b38 100644
--- a/chrome/browser/ui/ash/chrome_shell_delegate.cc
+++ b/chrome/browser/ui/ash/chrome_shell_delegate.cc
@@ -16,7 +16,7 @@
 #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/pointer_down_watcher_delegate_aura.h"
 #include "ash/shell.h"
 #include "ash/wm/window_util.h"
 #include "base/command_line.h"
@@ -428,9 +428,9 @@ ash::ShelfDelegate* ChromeShellDelegate::CreateShelfDelegate(
   return shelf_delegate_;
 }
 
-std::unique_ptr<ash::PointerWatcherDelegate>
-ChromeShellDelegate::CreatePointerWatcherDelegate() {
-  return base::WrapUnique(new ash::PointerWatcherDelegateAura);
+std::unique_ptr<ash::PointerDownWatcherDelegate>
+ChromeShellDelegate::CreatePointerDownWatcherDelegate() {
+  return base::WrapUnique(new ash::PointerDownWatcherDelegateAura);
 }
 
 ui::MenuModel* ChromeShellDelegate::CreateContextMenu(