Add the xrender backend to the window manager.

compositor/gl/opengl_visitor.h

 // Copyright (c) 2010 The Chromium OS 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 WINDOW_MANAGER_COMPOSITOR_GL_OPENGL_VISITOR_H_
 #define WINDOW_MANAGER_COMPOSITOR_GL_OPENGL_VISITOR_H_
 
 #include <GL/glx.h>
 
 #include <vector>
@@ skipping 66 matching lines @@
   virtual ~OpenGlDrawVisitor();
 
   XConnection* xconn() { return xconn_; }
   void set_has_fullscreen_actor(bool has_fullscreen_actor) {
     has_fullscreen_actor_ = has_fullscreen_actor;
   }
   void set_damaged_region(const Rect& damaged_region) {
     damaged_region_ = damaged_region;
   }
 
-  void BindImage(const ImageContainer* container,
+  void BindImage(const ImageContainer& container,
                  RealCompositor::ImageActor* actor);
 
   virtual void VisitActor(RealCompositor::Actor* actor) {}
   virtual void VisitStage(RealCompositor::StageActor* actor);
   virtual void VisitContainer(RealCompositor::ContainerActor* actor);
   virtual void VisitImage(RealCompositor::ImageActor* actor);
   virtual void VisitTexturePixmap(RealCompositor::TexturePixmapActor* actor);
   virtual void VisitQuad(RealCompositor::QuadActor* actor);
 
  private:
@@ skipping 85 matching lines @@
   // This is used to indicate whether the entire screen will be covered by an
   // actor so we can optimize by not clearing the COLOR_BUFFER_BIT.
   bool has_fullscreen_actor_;
 
   DISALLOW_COPY_AND_ASSIGN(OpenGlDrawVisitor);
 };
 
 }  // namespace window_manager
 
 #endif  // WINDOW_MANAGER_COMPOSITOR_GL_OPENGL_VISITOR_H_