mash: Migrate tray IME view to wm common types, move to //ash/common

ash/aura/wm_shell_aura.cc

Index: ash/aura/wm_shell_aura.cc
diff --git a/ash/aura/wm_shell_aura.cc b/ash/aura/wm_shell_aura.cc
index 2021b6f783696dd65dc890117d9a015d01443584..decb88640f1282ac6c7daa77ead0191b72fcca8d 100644
--- a/ash/aura/wm_shell_aura.cc
+++ b/ash/aura/wm_shell_aura.cc
@@ -14,6 +14,7 @@
 #include "ash/display/window_tree_host_manager.h"
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
+#include "ash/virtual_keyboard_controller.h"
 #include "ash/wm/drag_window_resizer.h"
 #include "ash/wm/overview/window_selector_controller.h"
 #include "ash/wm/screen_pinning_controller.h"
@@ -144,6 +145,12 @@ bool WmShellAura::IsOverviewModeRestoringMinimizedWindows() {
          window_selector_controller->IsRestoringMinimizedWindows();
 }
 
+void WmShellAura::ToggleIgnoreExternalKeyboard() {
+  Shell::GetInstance()
+      ->virtual_keyboard_controller()
+      ->ToggleIgnoreExternalKeyboard();
+}
+
 AccessibilityDelegate* WmShellAura::GetAccessibilityDelegate() {
   return Shell::GetInstance()->accessibility_delegate();
 }