VR: Add initial URL bar element and texture.

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

Index: chrome/browser/android/vr_shell/textures/ui_texture.h
diff --git a/chrome/browser/android/vr_shell/textures/ui_texture.h b/chrome/browser/android/vr_shell/textures/ui_texture.h
index e619c430b0c73645fa6791819affe20034f41d4c..870572e8a8d7cd7871c4edea5332cc27c10f4c4a 100644
--- a/chrome/browser/android/vr_shell/textures/ui_texture.h
+++ b/chrome/browser/android/vr_shell/textures/ui_texture.h
@@ -14,7 +14,6 @@
 class SkCanvas;
 
 namespace gfx {
-class Canvas;
 class FontList;
 }  // namespace gfx
 
@@ -30,7 +29,7 @@ class UiTexture {
   virtual gfx::SizeF GetDrawnSize() const = 0;
 
  protected:
-  virtual void Draw(gfx::Canvas* canvas, const gfx::Size& texture_size) = 0;
+  virtual void Draw(SkCanvas* canvas, const gfx::Size& texture_size) = 0;
 
   static bool IsRTL();
   static gfx::FontList GetFontList(int size, base::string16 text);