VR: Add initial URL bar element and texture.

chrome/browser/android/vr_shell/textures/insecure_content_transient_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_INSECURE_CONTENT_TRANSIENT_TEXTURE_H_
 #define CHROME_BROWSER_ANDROID_VR_SHELL_TEXTURES_INSECURE_CONTENT_TRANSIENT_TEXTURE_H_
 
 #include "chrome/browser/android/vr_shell/textures/ui_texture.h"
 
 namespace vr_shell {
 
 class InsecureContentTransientTexture : public UiTexture {
  public:
   InsecureContentTransientTexture();
   ~InsecureContentTransientTexture() override;
   gfx::Size GetPreferredTextureSize(int width) const override;
   gfx::SizeF GetDrawnSize() const override;
 
  private:
-  void Draw(gfx::Canvas* canvas, const gfx::Size& texture_size) override;
+  void Draw(SkCanvas* sk_canvas, const gfx::Size& texture_size) override;
 
   gfx::SizeF size_;
 };
 
 }  // namespace vr_shell
 
 #endif  // CHROME_BROWSER_ANDROID_VR_SHELL_TEXTURES_INSECURE_CONTENT_TRANSIENT_TEXTURE_H_