Refactor VR Shell Input. Locks input to click/scroll targets.

chrome/browser/android/vr_shell/textures/close_button_texture.h

+// 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 CHROME_BROWSER_ANDROID_VR_SHELL_TEXTURES_CLOSE_BUTTON_TEXTURE_H_
+#define CHROME_BROWSER_ANDROID_VR_SHELL_TEXTURES_CLOSE_BUTTON_TEXTURE_H_
+
+#include "chrome/browser/android/vr_shell/textures/ui_texture.h"
+
+namespace vr_shell {
+
+class CloseButtonTexture : public UiTexture {
+ public:
+  enum DrawFlags {
+    FLAG_HOVER = 1 << 0,
+    FLAG_DOWN = 1 << 1,
+  };
+
+  CloseButtonTexture();
+  ~CloseButtonTexture() override;
+  gfx::Size GetPreferredTextureSize(int width) const override;
+  gfx::SizeF GetDrawnSize() const override;
+
+ private:
+  void Draw(SkCanvas* sk_canvas, const gfx::Size& texture_size) override;
+
+  gfx::SizeF size_;
+};
+
+}  // namespace vr_shell
+
+#endif  // CHROME_BROWSER_ANDROID_VR_SHELL_TEXTURES_CLOSE_BUTTON_TEXTURE_H_