Enable gpu rasterization in the vr shell

chrome/browser/android/vr_shell/ui_elements/textured_element.h

Index: chrome/browser/android/vr_shell/ui_elements/textured_element.h
diff --git a/chrome/browser/android/vr_shell/ui_elements/textured_element.h b/chrome/browser/android/vr_shell/ui_elements/textured_element.h
index e6cc7f73e7523b01fd20eafe61b8c6bbfac30b6d..e37014d85fec58cd4443962374af3f76998c78a0 100644
--- a/chrome/browser/android/vr_shell/ui_elements/textured_element.h
+++ b/chrome/browser/android/vr_shell/ui_elements/textured_element.h
@@ -7,10 +7,9 @@
 
 #include "base/macros.h"
 #include "chrome/browser/android/vr_shell/ui_elements/ui_element.h"
+#include "third_party/skia/include/core/SkSurface.h"
 #include "ui/gl/gl_bindings.h"
 
-class SkSurface;
-
 namespace vr_shell {
 
 class UiTexture;
@@ -23,21 +22,19 @@ class TexturedElement : public UiElement {
   explicit TexturedElement(int maximum_width);
   ~TexturedElement() override;
 
-  void Initialize() override;
-
   // UiElement interface.
   void Render(VrShellRenderer* renderer,
               vr::Mat4f view_proj_matrix) const override;
 
  protected:
+  void Initialize() override;
   virtual UiTexture* GetTexture() const = 0;
 
  private:
-  void Flush(SkSurface* surface);
-
   gfx::Size texture_size_;
   GLuint texture_handle_;
   int maximum_width_;
+  sk_sp<SkSurface> surface_;
 
   DISALLOW_COPY_AND_ASSIGN(TexturedElement);
 };