Enable tests in TrayIMETest for MD

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 9a1c7f1fd755560290e5edaa449311ceeaaf6f84..6c23f2d3d68cd2eb031c95c5662f1f7d5874c149 100644
--- a/ash/common/system/chromeos/ime_menu/ime_list_view.h
+++ b/ash/common/system/chromeos/ime_menu/ime_list_view.h
@@ -5,6 +5,7 @@
 #ifndef ASH_COMMON_SYSTEM_CHROMEOS_IME_MENU_IME_LIST_VIEW_H_
 #define ASH_COMMON_SYSTEM_CHROMEOS_IME_MENU_IME_LIST_VIEW_H_
 
+#include "ash/ash_export.h"
 #include "ash/common/system/tray/ime_info.h"
 #include "ash/common/system/tray/tray_details_view.h"
 #include "ui/views/controls/button/button.h"
@@ -63,8 +64,7 @@ class ImeListView : public TrayDetailsView {
   void VisibilityChanged(View* starting_from, bool is_visible) override;
 
  private:
-  // To allow the test class to access |ime_map_|.
-  friend class ImeMenuTrayTest;
+  friend class ImeListViewTestApi;
 
   // Appends the IMEs to the scrollable area of the detailed view.
   void AppendIMEList(const IMEInfoList& list);
@@ -112,6 +112,23 @@ class ImeListView : public TrayDetailsView {
   DISALLOW_COPY_AND_ASSIGN(ImeListView);
 };
 
+class ASH_EXPORT ImeListViewTestApi {
+ public:
+  explicit ImeListViewTestApi(ImeListView* ime_list_view);
+  virtual ~ImeListViewTestApi();
+
+  views::View* GetToggleView() const;
+
+  const std::map<views::View*, std::string>& ime_map() const {
+    return ime_list_view_->ime_map_;
+  }
+
+ private:
+  ImeListView* ime_list_view_;
+
+  DISALLOW_COPY_AND_ASSIGN(ImeListViewTestApi);
+};
+
 }  // namespace ash
 
 #endif  // ASH_COMMON_SYSTEM_CHROMEOS_IME_MENU_IME_LIST_VIEW_H_