Add create note palette action.

ash/common/system/chromeos/palette/mock_palette_tool_delegate.h

Index: ash/common/system/chromeos/palette/mock_palette_tool_delegate.h
diff --git a/ash/common/system/chromeos/palette/mock_palette_tool_delegate.h b/ash/common/system/chromeos/palette/mock_palette_tool_delegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..556b61d8c0c8359e2d9c307c2f1546002994ec6c
--- /dev/null
+++ b/ash/common/system/chromeos/palette/mock_palette_tool_delegate.h
@@ -0,0 +1,27 @@
+// 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_SYSTEM_CHROMEOS_PALETTE_MOCK_PALETTE_TOOL_DELEGATE_H_
+#define ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_MOCK_PALETTE_TOOL_DELEGATE_H_
+
+#include "ash/common/system/chromeos/palette/palette_tool.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace ash {
+
+// Mock PaletteTool::Delegate class.
+class MockPaletteToolDelegate : public PaletteTool::Delegate {
+ public:
+  MockPaletteToolDelegate();
+  ~MockPaletteToolDelegate() override;
+
+  MOCK_METHOD1(EnableTool, void(PaletteToolId tool_id));
+  MOCK_METHOD1(DisableTool, void(PaletteToolId tool_id));
+  MOCK_METHOD0(HidePalette, void());
+  MOCK_METHOD0(GetWindow, WmWindow*());
+};
+
+}  // namespace ash
+
+#endif  // ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_MOCK_PALETTE_TOOL_DELEGATE_H_