Add create note palette action.

ash/common/test/test_palette_delegate.h

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef ASH_COMMON_TEST_TEST_PALETTE_DELEGATE_H_
+#define ASH_COMMON_TEST_TEST_PALETTE_DELEGATE_H_
+
+#include "ash/common/palette_delegate.h"
+#include "base/macros.h"
+
+namespace ash {
+
+// A simple test double for a PaletteDelegate.
+class TestPaletteDelegate : public ash::PaletteDelegate {

[James Cook, 2016/08/16 22:08:45]

nit: no ash

[jdufault, 2016/08/16 22:45:52]

Done.

+ public:
+  TestPaletteDelegate();
+  ~TestPaletteDelegate() override;
+
+  int create_note_count() const { return create_note_count_; }
+
+  int has_note_app_count() const { return has_note_app_count_; }
+
+  void set_has_note_app(bool has_note_app) { has_note_app_ = has_note_app; }
+
+ private:
+  // ash::PaletteDelegate:

[James Cook, 2016/08/16 22:08:45]

ditto

[jdufault, 2016/08/16 22:45:52]

Done.

+  void CreateNote() override;
+  bool HasNoteApp() override;
+
+  bool has_note_app_ = false;
+  int create_note_count_ = 0;
+  int has_note_app_count_ = 0;
+
+  DISALLOW_COPY_AND_ASSIGN(TestPaletteDelegate);

[James Cook, 2016/08/16 22:08:45]

I presume this isn't a local class in the unit test file because you're planning
to use it in other tests?

[jdufault, 2016/08/16 22:45:52]

Yep

+};

[James Cook, 2016/08/16 22:08:45]

Hooray for small simple test doubles!

[jdufault, 2016/08/16 22:45:52]

:)

+
+}  // namespace ash
+
+#endif  // ASH_COMMON_TEST_TEST_PALETTE_DELEGATE_H_