Remove COMPOSITOR_2 flag, old compositor code.

ui/gfx/compositor/compositor.h

 // Copyright (c) 2011 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 UI_GFX_COMPOSITOR_COMPOSITOR_H_
 #define UI_GFX_COMPOSITOR_COMPOSITOR_H_
 #pragma once
 
 #include "base/memory/ref_counted.h"
 #include "ui/gfx/native_widget_types.h"
 
 class SkBitmap;
 namespace gfx {
 class Point;
 class Rect;
 class Size;
 }
 
 namespace ui {
 class Transform;
 
-#if !defined(COMPOSITOR_2)
-typedef unsigned int TextureID;
-
-// NOTE: all coordinates passed to Texture/Compositor have 0x0 as the upper left
-// corner.
-
-// Compositor object to take care of GPU painting.
-// A Browser compositor object is responsible for generating the final
-// displayable form of pixels comprising a single widget's contents. It draws an
-// appropriately transformed texture for each transformed view in the widget's
-// view hierarchy. The initial implementation uses GL for this purpose.
-// Future CLs will adapt this to ongoing Skia development.
-class Compositor : public base::RefCounted<Compositor> {
- public:
-  // Create a compositor from the provided handle.
-  static Compositor* Create(gfx::AcceleratedWidget widget);
-
-  // Notifies the compositor that compositing is about to start.
-  virtual void NotifyStart() = 0;
-
-  // Notifies the compositor that compositing is complete.
-  virtual void NotifyEnd() = 0;
-
-  // Draws the given texture with the given transform.
-  virtual void DrawTextureWithTransform(TextureID txt,
-                                        const ui::Transform& transform) = 0;
-
-  // Save the current transformation that can be restored with RestoreTransform.
-  virtual void SaveTransform() = 0;
-
-  // Restore a previously saved transformation using SaveTransform.
-  virtual void RestoreTransform() = 0;
-
- protected:
-  virtual ~Compositor() {}
-
- private:
-  friend class base::RefCounted<Compositor>;
-};
-
-#else
 // Textures are created by a Compositor for managing an accelerated view.
 // Any time a View with a texture needs to redraw itself it invokes SetBitmap().
 // When the view is ready to be drawn Draw() is invoked.
 //
 // Texture is really a proxy to the gpu. Texture does not itself keep a copy of
 // the bitmap.
 //
 // Views own the Texture.
 class Texture {
  public:
@@ skipping 31 matching lines @@
   // Blurs the specific region in the compositor.
   virtual void Blur(const gfx::Rect& bounds) = 0;
 
  protected:
   virtual ~Compositor() {}
 
  private:
   friend class base::RefCounted<Compositor>;
 };
 
-#endif  // COMPOSITOR_2
 }  // namespace ui
 
 #endif  // UI_GFX_COMPOSITOR_COMPOSITOR_H_