Refactoring how WebVR eye bounds are handled

chrome/browser/android/vr_shell/vr_shell_renderer.h

Index: chrome/browser/android/vr_shell/vr_shell_renderer.h
diff --git a/chrome/browser/android/vr_shell/vr_shell_renderer.h b/chrome/browser/android/vr_shell/vr_shell_renderer.h
index 16645e854300a24d3034620bb810b632cbfce286..8243a86253e6604e35d733553e7dbfc86c7545e6 100644
--- a/chrome/browser/android/vr_shell/vr_shell_renderer.h
+++ b/chrome/browser/android/vr_shell/vr_shell_renderer.h
@@ -68,22 +68,14 @@ class WebVrRenderer : public BaseRenderer {
 
   void Draw(int texture_handle);
 
-  void UpdateTextureBounds(int eye, const gvr::Rectf& bounds);
-
  private:
   static constexpr size_t VERTEX_STRIDE = sizeof(float) * 4;
-  static constexpr size_t POSITION_ELEMENTS = 2;
-  static constexpr size_t TEXCOORD_ELEMENTS = 2;
-  static constexpr size_t POSITION_OFFSET = 0;
-  static constexpr size_t TEXCOORD_OFFSET = sizeof(float) * 2;
+  static constexpr size_t VERTEX_ELEMENTS = 4;
+  static constexpr size_t VERTEX_OFFSET = 0;
 
-  GLuint src_rect_uniform_handle_;
   GLuint tex_uniform_handle_;
   GLuint vertex_buffer_;
 
-  gvr::Rectf left_bounds_;
-  gvr::Rectf right_bounds_;
-
   DISALLOW_COPY_AND_ASSIGN(WebVrRenderer);
 };