Add MetalayerToolTest

ash/test/test_palette_delegate.h

Index: ash/test/test_palette_delegate.h
diff --git a/ash/test/test_palette_delegate.h b/ash/test/test_palette_delegate.h
index 4fee8b00cfa1cdd50b7849db18f02ac1b32ae968..4bf0a31a18c20c51af6efc9df570214c273777b6 100644
--- a/ash/test/test_palette_delegate.h
+++ b/ash/test/test_palette_delegate.h
@@ -40,6 +40,14 @@ class TestPaletteDelegate : public PaletteDelegate {
     should_show_palette_ = should_show_palette;
   }
 
+  void set_is_metalayer_supported(bool is_metalayer_supported) {
+    is_metalayer_supported_ = is_metalayer_supported;
+  }
+
+  int show_metalayer_count() const { return show_metalayer_count_; }
+
+  base::Closure metalayer_closed() const { return metalayer_closed_; }

[stevenjb, 2017/04/26 17:21:05]

If these are only used for testing, please append for_test to each method.

[oshima, 2017/04/28 21:47:34]

this is a test delegate, so this is fine. :)

[stevenjb, 2017/04/28 21:49:11]

Oh, yeah, never mind :) 

+
  private:
   // PaletteDelegate:
   std::unique_ptr<EnableListenerSubscription> AddPaletteEnableListener(
@@ -63,6 +71,9 @@ class TestPaletteDelegate : public PaletteDelegate {
   bool has_note_app_ = false;
   bool should_auto_open_palette_ = false;
   bool should_show_palette_ = false;
+  bool is_metalayer_supported_ = false;
+  int show_metalayer_count_ = 0;
+  base::Closure metalayer_closed_;
 
   DISALLOW_COPY_AND_ASSIGN(TestPaletteDelegate);
 };