Support impl-side painting in Mandoline.

components/html_viewer/web_layer_tree_view_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 COMPONENTS_HTML_VIEWER_WEB_LAYER_TREE_VIEW_IMPL_H_
 #define COMPONENTS_HTML_VIEWER_WEB_LAYER_TREE_VIEW_IMPL_H_
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "cc/trees/layer_tree_host_client.h"
 #include "components/view_manager/public/interfaces/gpu.mojom.h"
 #include "components/view_manager/public/interfaces/surfaces.mojom.h"
 #include "mojo/cc/output_surface_mojo.h"
 #include "third_party/WebKit/public/platform/WebLayerTreeView.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 }
 
 namespace blink {
 class WebWidget;
 }
 
 namespace cc {
 class LayerTreeHost;
+class TaskGraphRunner;
+}
+
+namespace gpu {
+class GpuMemoryBufferManager;
 }
 
 namespace mojo {
 class View;
 }
 
 namespace html_viewer {
 
 class WebLayerTreeViewImpl : public blink::WebLayerTreeView,
                              public cc::LayerTreeHostClient,
                              public mojo::OutputSurfaceMojoClient {
  public:
   WebLayerTreeViewImpl(
       scoped_refptr<base::SingleThreadTaskRunner> compositor_task_runner,
+      gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
+      cc::TaskGraphRunner* task_graph_runner,
       mojo::SurfacePtr surface,
       mojo::GpuPtr gpu_service);
   ~WebLayerTreeViewImpl() override;
 
   void set_widget(blink::WebWidget* widget) { widget_ = widget; }
   void set_view(mojo::View* view) { view_ = view; }
 
   // cc::LayerTreeHostClient implementation.
   void WillBeginMainFrame() override;
   void DidBeginMainFrame() override;
@@ skipping 74 matching lines @@
       main_thread_compositor_task_runner_;
   base::WeakPtr<WebLayerTreeViewImpl> main_thread_bound_weak_ptr_;
 
   base::WeakPtrFactory<WebLayerTreeViewImpl> weak_factory_;
   DISALLOW_COPY_AND_ASSIGN(WebLayerTreeViewImpl);
 };
 
 }  // namespace html_viewer
 
 #endif  // COMPONENTS_HTML_VIEWER_WEB_LAYER_TREE_VIEW_IMPL_H_