content: Move Surfaces related code out of RWHVA.

ui/android/delegated_frame_host_android.h

Index: ui/android/delegated_frame_host_android.h
diff --git a/ui/android/delegated_frame_host_android.h b/ui/android/delegated_frame_host_android.h
new file mode 100644
index 0000000000000000000000000000000000000000..d5a95c5022183d803664575d4fb4cfb787e02744
--- /dev/null
+++ b/ui/android/delegated_frame_host_android.h
@@ -0,0 +1,106 @@
+// 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 UI_ANDROID_DELEGATED_FRAME_HOST_ANDROID_H_
+#define UI_ANDROID_DELEGATED_FRAME_HOST_ANDROID_H_
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "cc/output/copy_output_request.h"
+#include "cc/resources/returned_resource.h"
+#include "cc/surfaces/surface_factory.h"
+#include "cc/surfaces/surface_factory_client.h"
+#include "ui/android/ui_android_export.h"
+#include "ui/gfx/selection_bound.h"
+
+namespace cc {
+
+class CompositorFrame;
+class CopyOutputResult;
+class Layer;
+class SurfaceId;
+class SurfaceManager;
+class SurfaceLayer;
+class SurfaceIdAllocator;
+enum class SurfaceDrawStatus;
+
+}  // namespace cc
+
+namespace ui {
+class ViewAndroid;
+class WindowAndroidCompositor;
+
+class UI_ANDROID_EXPORT DelegatedFrameHostAndroid
+    : public cc::SurfaceFactoryClient {
+ public:
+  using ReturnResourcesCallback =
+      base::Callback<void(const cc::ReturnedResourceArray&)>;
+
+  DelegatedFrameHostAndroid(ViewAndroid* view,
+                            SkColor background_color,
+                            ReturnResourcesCallback return_resources_callback);
+
+  ~DelegatedFrameHostAndroid() override;
+
+  void SubmitCompositorFrame(cc::CompositorFrame frame,
+                             cc::SurfaceFactory::DrawCallback draw_callback);
+
+  void DestroyDelegatedContent();
+
+  bool HasDelegatedContent() const;
+
+  uint32_t GetSurfaceClientId() const;
+
+  // Should only be called when the host has a content layer.
+  void RequestCopyOfSurface(
+      WindowAndroidCompositor* compositor,
+      const gfx::Rect& src_subrect_in_pixel,
+      cc::CopyOutputRequest::CopyOutputRequestCallback result_callback);
+
+  void OutputSurfaceChanged();
+
+  void UpdateBackgroundColor(SkColor color);
+
+  void SetContentsOpaque(bool opaque);
+
+  void UpdateContainerSizeinDIP(const gfx::Size& size_in_dip);
+
+ private:
+  // cc::SurfaceFactoryClient implementation.
+  void ReturnResources(const cc::ReturnedResourceArray& resources) override;
+  void SetBeginFrameSource(cc::BeginFrameSource* begin_frame_source) override;
+
+  void UpdateBackgroundLayer();
+
+  ViewAndroid* view_;
+
+  cc::SurfaceManager* surface_manager_;
+  std::unique_ptr<cc::SurfaceIdAllocator> surface_id_allocator_;
+  ReturnResourcesCallback return_resources_callback_;
+
+  std::unique_ptr<cc::SurfaceFactory> surface_factory_;
+
+  struct FrameData {
+    FrameData();
+    ~FrameData();
+
+    cc::SurfaceId surface_id;
+    gfx::Size surface_size;
+    gfx::Vector2dF location_bar_content_translation;
+    cc::Selection<gfx::SelectionBound> viewport_selection;
+  };
+  std::unique_ptr<FrameData> current_frame_;
+
+  scoped_refptr<cc::SurfaceLayer> content_layer_;
+
+  scoped_refptr<cc::Layer> background_layer_;
+
+  gfx::Size container_size_in_dip_;
+
+  DISALLOW_COPY_AND_ASSIGN(DelegatedFrameHostAndroid);
+};
+
+}  // namespace ui
+
+#endif  // UI_ANDROID_DELEGATED_FRAME_HOST_ANDROID_H_