Refactoring how WebVR eye bounds are handled

chrome/browser/android/vr_shell/vr_shell_renderer.h

 // Copyright 2016 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_VR_SHELL_RENDERER_H_
 #define CHROME_BROWSER_ANDROID_VR_SHELL_VR_SHELL_RENDERER_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 50 matching lines @@
 };
 
 // Renders a page-generated stereo VR view.
 class WebVrRenderer : public BaseRenderer {
  public:
   WebVrRenderer();
   ~WebVrRenderer() override;
 
   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);
 };
 
 class ReticleRenderer : public BaseRenderer {
  public:
   ReticleRenderer();
   ~ReticleRenderer() override;
 
   void Draw(const gvr::Mat4f& combined_matrix);
 
@@ skipping 54 matching lines @@
   std::unique_ptr<WebVrRenderer> webvr_renderer_;
   std::unique_ptr<ReticleRenderer> reticle_renderer_;
   std::unique_ptr<LaserRenderer> laser_renderer_;
 
   DISALLOW_COPY_AND_ASSIGN(VrShellRenderer);
 };
 
 }  // namespace vr_shell
 
 #endif  // CHROME_BROWSER_ANDROID_VR_SHELL_VR_SHELL_RENDERER_H_