ui/gfx: Use separate components for color_space and switches

ui/gfx/gfx_color_export.h

Index: ui/gfx/gfx_color_export.h
diff --git a/ui/gfx/gfx_color_export.h b/ui/gfx/gfx_color_export.h
new file mode 100644
index 0000000000000000000000000000000000000000..3f103d9bef313f73502901f617c8f4eb46efe5aa
--- /dev/null
+++ b/ui/gfx/gfx_color_export.h
@@ -0,0 +1,29 @@
+// Copyright 2017 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 UI_GFX_GFX_COLOR_EXPORT_H_
+#define UI_GFX_GFX_COLOR_EXPORT_H_
+
+#if defined(COMPONENT_BUILD)
+#if defined(WIN32)
+
+#if defined(GFX_COLOR_IMPLEMENTATION)
+#define GFX_COLOR_EXPORT __declspec(dllexport)

[Nico, 2017/06/01 14:52:14]

As mentioned in gn file, GFX_COLOR_SPACE(S?)_EXPORT (and rename the file)

+#else
+#define GFX_COLOR_EXPORT __declspec(dllimport)
+#endif  // defined(GFX_COLOR_IMPLEMENTATION)
+
+#else  // defined(WIN32)
+#if defined(GFX_COLOR_IMPLEMENTATION)
+#define GFX_COLOR_EXPORT __attribute__((visibility("default")))
+#else
+#define GFX_COLOR_EXPORT
+#endif
+#endif
+
+#else  // defined(COMPONENT_BUILD)
+#define GFX_COLOR_EXPORT
+#endif
+
+#endif  // UI_GFX_GFX_COLOR_EXPORT_H_