VR: Rename ContentRectangle to UiElement

chrome/browser/android/vr_shell/ui_element.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_UI_ELEMENTS_H_
-#define CHROME_BROWSER_ANDROID_VR_SHELL_UI_ELEMENTS_H_
+#ifndef CHROME_BROWSER_ANDROID_VR_SHELL_UI_ELEMENT_H_
+#define CHROME_BROWSER_ANDROID_VR_SHELL_UI_ELEMENT_H_
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "device/vr/vr_types.h"
 
 namespace base {
 class TimeTicks;
@@ skipping 62 matching lines @@
   // rectangle, returning 2D coordinates relative to the un-transformed unit
   // rectangle. This allows beam intersection points to be mapped to sprite
   // pixel coordinates. Points that fall onto the rectangle will generate X and
   // Y values on the interval [-0.5, 0.5].
   gfx::PointF GetUnitRectangleCoordinates(const gfx::Point3F& world_point);
 
  private:
   Transform transform_;
 };
 
-struct ContentRectangle : public WorldRectangle {
-  ContentRectangle();
-  ~ContentRectangle();
+struct UiElement : public WorldRectangle {
+  UiElement();
+  ~UiElement();
 
   void Animate(const base::TimeTicks& time);
 
   // Indicates whether the element should be visually rendered.
   bool IsVisible() const;
 
   // Indicates whether the element should be tested for cursor input.
   bool IsHitTestable() const;
 
   // Valid IDs are non-negative.
@@ skipping 59 matching lines @@
 
   int draw_phase = 1;
 
   // This transform can be used by children to derive position of its parent.
   Transform inheritable_transform;
 
   // A flag usable during transformation calculates to avoid duplicate work.
   bool dirty;
 
  private:
-  DISALLOW_COPY_AND_ASSIGN(ContentRectangle);
+  DISALLOW_COPY_AND_ASSIGN(UiElement);
 };
 
 }  // namespace vr_shell
 
-#endif  // CHROME_BROWSER_ANDROID_VR_SHELL_UI_ELEMENTS_H_
+#endif  // CHROME_BROWSER_ANDROID_VR_SHELL_UI_ELEMENT_H_