Set ImeListView's scrollable range when updating

ash/common/system/chromeos/ime_menu/ime_list_view.h

Index: ash/common/system/chromeos/ime_menu/ime_list_view.h
diff --git a/ash/common/system/chromeos/ime_menu/ime_list_view.h b/ash/common/system/chromeos/ime_menu/ime_list_view.h
index 745a8348f7669234562d312b1d7ccd2c26b8bc17..ceca2c4c16d7b2c678ceacf06db80e5b1b88f681 100644
--- a/ash/common/system/chromeos/ime_menu/ime_list_view.h
+++ b/ash/common/system/chromeos/ime_menu/ime_list_view.h
@@ -7,6 +7,7 @@
 
 #include "ash/common/system/tray/ime_info.h"
 #include "ash/common/system/tray/tray_details_view.h"
+#include "ui/gfx/range/range.h"
 #include "ui/views/controls/button/button.h"
 
 namespace ash {
@@ -24,7 +25,8 @@ class ImeListView : public TrayDetailsView {
 
   ImeListView(SystemTrayItem* owner,
               bool show_keyboard_toggle,
-              SingleImeBehavior single_ime_behavior);
+              SingleImeBehavior single_ime_behavior,
+              const gfx::Range& scrollable_range);
 
   ~ImeListView() override;
 
@@ -70,6 +72,7 @@ class ImeListView : public TrayDetailsView {
   views::View* keyboard_status_;
   // On-screen keyboard view which is only used in material design.
   MaterialKeyboardStatusRowView* material_keyboard_status_view_;
+  gfx::Range scrollable_range_;
 
   DISALLOW_COPY_AND_ASSIGN(ImeListView);
 };