Revert 245131 "Add the UI compositor to the Mac build", which caused Mac ASan redness

trunk/src/content/browser/compositor/reflector_impl.h

-// Copyright 2014 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 CONTENT_BROWSER_COMPOSITOR_REFLECTOR_IMPL_H_
-#define CONTENT_BROWSER_COMPOSITOR_REFLECTOR_IMPL_H_
-
-#include "base/id_map.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "content/browser/compositor/image_transport_factory.h"
-#include "ui/compositor/reflector.h"
-#include "ui/gfx/size.h"
-
-namespace base { class MessageLoopProxy; }
-
-namespace gfx { class Rect; }
-
-namespace ui {
-class Compositor;
-class Layer;
-}
-
-namespace content {
-
-class BrowserCompositorOutputSurface;
-
-// A reflector implementation that copies the framebuffer content
-// to the texture, then draw it onto the mirroring compositor.
-class ReflectorImpl : public ImageTransportFactoryObserver,
-                      public base::SupportsWeakPtr<ReflectorImpl>,
-                      public ui::Reflector {
- public:
-  ReflectorImpl(
-      ui::Compositor* mirrored_compositor,
-      ui::Layer* mirroring_layer,
-      IDMap<BrowserCompositorOutputSurface>* output_surface_map,
-      int surface_id);
-
-  ui::Compositor* mirrored_compositor() {
-    return mirrored_compositor_;
-  }
-
-  void InitOnImplThread();
-  void Shutdown();
-  void ShutdownOnImplThread();
-
-  // This must be called on ImplThread, or before the surface is passed to
-  // ImplThread.
-  void AttachToOutputSurface(BrowserCompositorOutputSurface* surface);
-
-  // ui::Reflector implementation.
-  virtual void OnMirroringCompositorResized() OVERRIDE;
-
-  // ImageTransportFactoryObsever implementation.
-  virtual void OnLostResources() OVERRIDE;
-
-  // Called when the output surface's size has changed.
-  // This must be called on ImplThread.
-  void OnReshape(gfx::Size size);
-
-  // Called in |BrowserCompositorOutputSurface::SwapBuffers| to copy
-  // the full screen image to the |texture_id_|. This must be called
-  // on ImplThread.
-  void OnSwapBuffers();
-
-  // Called in |BrowserCompositorOutputSurface::PostSubBuffer| copy
-  // the sub image given by |rect| to the texture.This must be called
-  // on ImplThread.
-  void OnPostSubBuffer(gfx::Rect rect);
-
-  // Create a shared texture that will be used to copy the content of
-  // mirrored compositor to the mirroring compositor.  This must be
-  // called before the reflector is attached to OutputSurface to avoid
-  // race with ImplThread accessing |texture_id_|.
-  void CreateSharedTexture();
-
-  // Called when the source surface is bound and available. This must
-  // be called on ImplThread.
-  void OnSourceSurfaceReady(int surface_id);
-
- private:
-  virtual ~ReflectorImpl();
-
-  void UpdateTextureSizeOnMainThread(gfx::Size size);
-
-  // Request full redraw on mirroring compositor.
-  void FullRedrawOnMainThread(gfx::Size size);
-
-  void UpdateSubBufferOnMainThread(gfx::Size size, gfx::Rect rect);
-
-  // Request full redraw on mirrored compositor so that
-  // the full content will be copied to mirroring compositor.
-  void FullRedrawContentOnMainThread();
-
-  // This exists just to hold a reference to a ReflectorImpl in a post task,
-  // so the ReflectorImpl gets deleted when the function returns.
-  static void DeleteOnMainThread(scoped_refptr<ReflectorImpl> reflector) {}
-
-  // These variables are initialized on MainThread before
-  // the reflector is attached to the output surface. Once
-  // attached, they must be accessed only on ImplThraed unless
-  // the context is lost. When the context is lost, these
-  // will be re-ininitiailzed when the new output-surface
-  // is created on MainThread.
-  int texture_id_;
-  gfx::Size texture_size_;
-
-  // Must be accessed only on ImplThread.
-  IDMap<BrowserCompositorOutputSurface>* output_surface_map_;
-  scoped_ptr<GLHelper> gl_helper_;
-
-  // Must be accessed only on MainThread.
-  ui::Compositor* mirrored_compositor_;
-  ui::Compositor* mirroring_compositor_;
-  ui::Layer* mirroring_layer_;
-  scoped_refptr<ui::Texture> shared_texture_;
-  scoped_refptr<base::MessageLoopProxy> impl_message_loop_;
-  scoped_refptr<base::MessageLoopProxy> main_message_loop_;
-  int surface_id_;
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_COMPOSITOR_REFLECTOR_IMPL_H_