[ash-md] Add on-screen keyboard toggle row in IME menu view.

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 83e5980cd48af7da73ed1d35f0b50a301ebea501..4bc01de22138ff97b604b3eae99d1e7286e0c6d8 100644
--- a/ash/common/system/chromeos/ime_menu/ime_list_view.h
+++ b/ash/common/system/chromeos/ime_menu/ime_list_view.h
@@ -7,8 +7,11 @@
 
 #include "ash/common/system/tray/ime_info.h"
 #include "ash/common/system/tray/tray_details_view.h"
+#include "ui/views/controls/button/button.h"
 
 namespace ash {
+class MaterialKeyboardStatusRowView;
+
 // The detailed view for showing IME list.
 class ImeListView : public TrayDetailsView {
  public:
@@ -34,10 +37,16 @@ class ImeListView : public TrayDetailsView {
   // TrayDetailsView:
   void HandleViewClicked(views::View* view) override;
 
+  // views::ButtonListener:
+  void ButtonPressed(views::Button* sender, const ui::Event& event) override;
+
  private:
   // To allow the test class to access |ime_map_|.
   friend class ImeMenuTrayTest;
 
+  // Removes (and destroys) all child views.
+  void ResetImeListView();
+
   // Appends the IMEs to the scrollable area of the detailed view.
   void AppendIMEList(const IMEInfoList& list);
 
@@ -53,9 +62,16 @@ class ImeListView : public TrayDetailsView {
   // view.
   void AppendKeyboardStatus();
 
+  // Appends the material on-screen keyboard status to the top area of the
+  // detailed view.
+  void AppendMaterialKeyboardStatus();
+
   std::map<views::View*, std::string> ime_map_;
   std::map<views::View*, std::string> property_map_;
+  // On-screen keyboard view which is not used in material design.
   views::View* keyboard_status_;
+  // On-screen keyboard view which is only used in material design.
+  MaterialKeyboardStatusRowView* material_keyboard_statuts_view_;
 
   DISALLOW_COPY_AND_ASSIGN(ImeListView);
 };