Hook up insecure content warnings for http webVR presentation.

chrome/browser/android/vr_shell/ui_elements/textured_element.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_UI_ELEMENTS_TEXTURED_ELEMENT_H_
+#define CHROME_BROWSER_ANDROID_VR_SHELL_UI_ELEMENTS_TEXTURED_ELEMENT_H_
+
+#include "base/macros.h"
+#include "chrome/browser/android/vr_shell/ui_elements/ui_element.h"
+#include "ui/gl/gl_bindings.h"
+
+class SkSurface;
+
+namespace vr_shell {
+
+class UiTexture;
+
+class TexturedElement : public UiElement {
+ public:
+  // |preferred_width| is the element's desired width in meters. Constraints
+  // implied by the texture being rendered may or may not allow it to be
+  // rendered exactly at the preferred width.
+  explicit TexturedElement(int maximum_width);
+  ~TexturedElement() override;
+
+  void Initialize() override;
+
+  // UiElement interface.
+  void Render(VrShellRenderer* renderer,
+              vr::Mat4f view_proj_matrix) const override;
+
+ protected:
+  virtual UiTexture* GetTexture() const = 0;
+
+ private:
+  void Flush(SkSurface* surface);
+
+  gfx::Size texture_size_;
+  GLuint texture_handle_;
+  int maximum_width_;
+
+  DISALLOW_COPY_AND_ASSIGN(TexturedElement);
+};
+
+}  // namespace vr_shell
+
+#endif  // CHROME_BROWSER_ANDROID_VR_SHELL_UI_ELEMENTS_TEXTURED_ELEMENT_H_