chromeos: Rename ash::WmShelf to Shelf

chrome/browser/chromeos/accessibility/chromevox_panel.cc

Index: chrome/browser/chromeos/accessibility/chromevox_panel.cc
diff --git a/chrome/browser/chromeos/accessibility/chromevox_panel.cc b/chrome/browser/chromeos/accessibility/chromevox_panel.cc
index dee0d4a29402a6a73ec8ac3c35bbb6ef9969eddb..827273d77853d738d2b1faeedb6ba2c45cb17ba9 100644
--- a/chrome/browser/chromeos/accessibility/chromevox_panel.cc
+++ b/chrome/browser/chromeos/accessibility/chromevox_panel.cc
@@ -7,8 +7,8 @@
 #include "ash/accessibility_types.h"
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/root_window_controller.h"
+#include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_layout_manager.h"
-#include "ash/shelf/wm_shelf.h"
 #include "ash/shell.h"
 #include "ash/wm_window.h"
 #include "base/macros.h"
@@ -202,7 +202,7 @@ void ChromeVoxPanel::UpdateWidgetBounds() {
 
 void ChromeVoxPanel::SendPanelHeightToAsh(int panel_height) {
   // TODO(mash): Replace with shelf mojo API.
-  ash::WmShelf* shelf = ash::WmShelf::ForWindow(GetRootWindow());
+  ash::Shelf* shelf = ash::Shelf::ForWindow(GetRootWindow());
   ash::ShelfLayoutManager* shelf_layout_manager =
       shelf ? shelf->shelf_layout_manager() : nullptr;
   if (shelf_layout_manager)