Remove extension_misc::IsImeMenuExtensionId.

ash/common/wm/window_state.cc

Index: ash/common/wm/window_state.cc
diff --git a/ash/common/wm/window_state.cc b/ash/common/wm/window_state.cc
index 6d86c7ef9706be415bbcc1fd161e69d15a02be36..638ee72d132c31c737d3e9057e7e495caa016005 100644
--- a/ash/common/wm/window_state.cc
+++ b/ash/common/wm/window_state.cc
@@ -13,7 +13,6 @@
 #include "ash/common/wm/wm_event.h"
 #include "ash/common/wm/wm_screen_util.h"
 #include "ash/common/wm_window.h"
-#include "ash/common/wm_window_property.h"
 #include "base/auto_reset.h"
 
 namespace ash {
@@ -111,10 +110,6 @@ bool WindowState::IsUserPositionable() const {
           window_->GetType() == ui::wm::WINDOW_TYPE_PANEL);
 }
 
-bool WindowState::ShouldBeExcludedFromMru() const {
-  return window_->GetBoolProperty(ash::WmWindowProperty::EXCLUDE_FROM_MRU);
-}
-
 bool WindowState::CanMaximize() const {
   // Window must allow maximization and have no maximum width or height.
   if (!window_->CanMaximize())
@@ -166,10 +161,6 @@ void WindowState::Unminimize() {
   window_->Unminimize();
 }
 
-void WindowState::SetExcludedFromMru(bool excluded_from_mru) {
-  window_->SetExcludedFromMru(excluded_from_mru);
-}
-
 void WindowState::Activate() {
   window_->Activate();
 }