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..b888effd8915799baf53dc5e6c316249d0433268 100644
--- a/ash/aura/wm_shell_aura.cc
+++ b/ash/aura/wm_shell_aura.cc
@@ -22,6 +22,10 @@
 #include "ui/aura/client/focus_client.h"
 #include "ui/wm/public/activation_client.h"
 
+#if defined(OS_CHROMEOS)
+#include "ash/virtual_keyboard_controller.h"
+#endif
+
 namespace ash {
 
 WmShellAura::WmShellAura(WmShellCommon* wm_shell_common)
@@ -211,4 +215,12 @@ void WmShellAura::OnDisplayConfigurationChanged() {
                     OnDisplayConfigurationChanged());
 }
 
+#if defined(OS_CHROMEOS)
+void WmShellAura::ToggleIgnoreExternalKeyboard() {
+  Shell::GetInstance()
+      ->virtual_keyboard_controller()
+      ->ToggleIgnoreExternalKeyboard();
+}
+#endif
+
 }  // namespace ash