Promotes a handful of members from WmShell to Shell

ash/test/shell_test_api.h

Index: ash/test/shell_test_api.h
diff --git a/ash/test/shell_test_api.h b/ash/test/shell_test_api.h
index 236258be2eb7f6e536b58dadf77ab8bf8be2762b..5a8ecd184e49b729632ae42fb28d6bd6ce56184f 100644
--- a/ash/test/shell_test_api.h
+++ b/ash/test/shell_test_api.h
@@ -5,12 +5,15 @@
 #ifndef ASH_TEST_SHELL_TEST_API_H_
 #define ASH_TEST_SHELL_TEST_API_H_
 
+#include <memory>
+
 #include "base/macros.h"
 
 namespace ash {
 class AshNativeCursorManager;
 class DragDropController;
 class MaximizeModeWindowManager;
+class PaletteDelegate;
 class SessionStateDelegate;
 class ScreenPositionController;
 class Shell;
@@ -22,6 +25,7 @@ namespace test {
 // Accesses private data from a Shell for testing.
 class ShellTestApi {
  public:
+  ShellTestApi();
   explicit ShellTestApi(Shell* shell);

[msw, 2017/03/09 21:57:20]

This is always called with Shell::GetInstance(), perhaps we should remove it and
the |shell_| member (in a follow-up CL)?

 
   SystemGestureEventFilter* system_gesture_event_filter();
@@ -32,7 +36,7 @@ class ShellTestApi {
   MaximizeModeWindowManager* maximize_mode_window_manager();
   void DisableDisplayAnimator();
 
-  // Set SessionStateDelegate.
+  void SetPaletteDelegate(std::unique_ptr<PaletteDelegate> palette_delegate);
   void SetSessionStateDelegate(SessionStateDelegate* session_state_delegate);
 
  private: