Move remaining Blimp feature code to core.

blimp/client/feature/compositor/blimp_compositor.h

Index: blimp/client/feature/compositor/blimp_compositor.h
diff --git a/blimp/client/feature/compositor/blimp_compositor.h b/blimp/client/feature/compositor/blimp_compositor.h
deleted file mode 100644
index ab5546c4570ca49f86279c73db67b98e846e24f9..0000000000000000000000000000000000000000
--- a/blimp/client/feature/compositor/blimp_compositor.h
+++ /dev/null
@@ -1,226 +0,0 @@
-// Copyright 2015 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 BLIMP_CLIENT_FEATURE_COMPOSITOR_BLIMP_COMPOSITOR_H_
-#define BLIMP_CLIENT_FEATURE_COMPOSITOR_BLIMP_COMPOSITOR_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "blimp/client/core/compositor/blimp_output_surface.h"
-#include "blimp/client/feature/compositor/blimp_input_manager.h"
-#include "cc/surfaces/surface_factory_client.h"
-#include "cc/trees/layer_tree_host.h"
-#include "cc/trees/layer_tree_host_client.h"
-#include "cc/trees/layer_tree_settings.h"
-#include "cc/trees/remote_proto_channel.h"
-#include "ui/gfx/geometry/size.h"
-#include "ui/gfx/native_widget_types.h"
-
-namespace base {
-class SingleThreadTaskRunner;
-class Thread;
-}  // namespace base
-
-namespace cc {
-namespace proto {
-class CompositorMessage;
-class InitializeImpl;
-}  // namespace proto
-
-class ContextProvider;
-class Layer;
-class LayerTreeHost;
-class LayerTreeSettings;
-class Surface;
-class SurfaceFactory;
-class SurfaceId;
-class SurfaceIdAllocator;
-}  // namespace cc
-
-namespace blimp {
-class BlimpMessage;
-
-namespace client {
-
-class BlimpCompositorDependencies;
-class CompositorDependencies;
-
-// The BlimpCompositorClient provides the BlimpCompositor with the necessary
-// dependencies for cc::LayerTreeHost owned by this compositor and for
-// communicating the compositor and input messages to the corresponding
-// render widget of this compositor on the engine.
-class BlimpCompositorClient {
- public:
-  // Should send web gesture events which could not be handled locally by the
-  // compositor to the engine.
-  virtual void SendWebGestureEvent(
-      int render_widget_id,
-      const blink::WebGestureEvent& gesture_event) = 0;
-
-  // Should send the compositor messages from the remote client LayerTreeHost of
-  // this compositor to the corresponding remote server LayerTreeHost.
-  virtual void SendCompositorMessage(
-      int render_widget_id,
-      const cc::proto::CompositorMessage& message) = 0;
-
- protected:
-  virtual ~BlimpCompositorClient() {}
-};
-
-// BlimpCompositor provides the basic framework and setup to host a
-// LayerTreeHost. This class owns the remote client cc::LayerTreeHost, which
-// performs the compositing work for the remote server LayerTreeHost. The server
-// LayerTreeHost for a BlimpCompositor is owned by the
-// content::RenderWidgetCompositor. Thus, each BlimpCompositor is tied to a
-// RenderWidget, identified by a custom |render_widget_id| generated on the
-// engine. The lifetime of this compositor is controlled by its corresponding
-// RenderWidget.
-// This class should only be accessed from the main thread.
-class BlimpCompositor : public cc::LayerTreeHostClient,
-                        public cc::RemoteProtoChannel,
-                        public BlimpInputManagerClient,
-                        public BlimpOutputSurfaceClient,
-                        public cc::SurfaceFactoryClient {
- public:
-  BlimpCompositor(const int render_widget_id,
-                  BlimpCompositorDependencies* compositor_dependencies,
-                  BlimpCompositorClient* client);
-
-  ~BlimpCompositor() override;
-
-  virtual void SetVisible(bool visible);
-
-  // Forwards the touch event to the |input_manager_|.
-  // virtual for testing.
-  virtual bool OnTouchEvent(const ui::MotionEvent& motion_event);
-
-  // Called to forward the compositor message from the remote server
-  // LayerTreeHost of the render widget for this compositor.
-  // virtual for testing.
-  virtual void OnCompositorMessageReceived(
-      std::unique_ptr<cc::proto::CompositorMessage> message);
-
-  // Called when the a ContextProvider has been created by the
-  // CompositorDependencies class.  If |host_| is waiting on an OutputSurface
-  // this will build one for it.
-  void OnContextProviderCreated(
-      const scoped_refptr<cc::ContextProvider>& provider);
-
-  scoped_refptr<cc::Layer> layer() const { return layer_; }
-
-  int render_widget_id() const { return render_widget_id_; }
-
- private:
-  friend class BlimpCompositorForTesting;
-
-  // LayerTreeHostClient implementation.
-  void WillBeginMainFrame() override {}
-  void DidBeginMainFrame() override {}
-  void BeginMainFrame(const cc::BeginFrameArgs& args) override {}
-  void BeginMainFrameNotExpectedSoon() override {}
-  void UpdateLayerTreeHost() override {}
-  void ApplyViewportDeltas(const gfx::Vector2dF& inner_delta,
-                           const gfx::Vector2dF& outer_delta,
-                           const gfx::Vector2dF& elastic_overscroll_delta,
-                           float page_scale,
-                           float top_controls_delta) override {}
-  void RequestNewOutputSurface() override;
-  void DidInitializeOutputSurface() override;
-  // TODO(khushalsagar): Need to handle context initialization failures.
-  void DidFailToInitializeOutputSurface() override {}
-  void WillCommit() override {}
-  void DidCommit() override {}
-  void DidCommitAndDrawFrame() override;
-  void DidCompleteSwapBuffers() override {}
-  void DidCompletePageScaleAnimation() override {}
-
-  // RemoteProtoChannel implementation.
-  void SetProtoReceiver(ProtoReceiver* receiver) override;
-  void SendCompositorProto(const cc::proto::CompositorMessage& proto) override;
-
-  // BlimpInputManagerClient implementation.
-  void SendWebGestureEvent(
-      const blink::WebGestureEvent& gesture_event) override;
-
-  // BlimpOutputSurfaceClient implementation.
-  void BindToOutputSurface(
-      base::WeakPtr<BlimpOutputSurface> output_surface) override;
-  void SwapCompositorFrame(cc::CompositorFrame frame) override;
-  void UnbindOutputSurface() override;
-
-  // SurfaceFactoryClient implementation.
-  void ReturnResources(const cc::ReturnedResourceArray& resources) override;
-  void SetBeginFrameSource(cc::BeginFrameSource* begin_frame_source) override {}
-
-  // Helper method to get the embedder dependencies.
-  CompositorDependencies* GetEmbedderDeps();
-
-  // TODO(khushalsagar): Move all of this to the |DocumentView| or another
-  // platform specific class. So we use the DelegatedFrameHostAndroid like the
-  // RenderWidgetHostViewAndroid.
-  void DestroyDelegatedContent();
-
-  // Helper method to build the internal CC LayerTreeHost instance from
-  // |message|.
-  void CreateLayerTreeHost(
-      const cc::proto::InitializeImpl& initialize_message);
-
-  // Helper method to destroy the internal CC LayerTreeHost instance and all its
-  // associated state.
-  void DestroyLayerTreeHost();
-
-  // The unique identifier for the render widget for this compositor.
-  const int render_widget_id_;
-
-  BlimpCompositorClient* client_;
-
-  BlimpCompositorDependencies* compositor_dependencies_;
-
-  std::unique_ptr<cc::LayerTreeHost> host_;
-
-  // Whether or not |host_| should be visible.  This is stored in case |host_|
-  // is null when SetVisible() is called.
-  bool host_should_be_visible_;
-
-  // The SurfaceFactory is bound to the lifetime of the BlimpOutputSurface. When
-  // detached, the surface factory will be destroyed.
-  std::unique_ptr<cc::SurfaceFactory> surface_factory_;
-  base::WeakPtr<BlimpOutputSurface> output_surface_;
-
-  // Whether or not |host_| has asked for an output surface.
-  bool output_surface_request_pending_;
-
-  // Data for the current frame.
-  cc::SurfaceId surface_id_;
-  gfx::Size current_surface_size_;
-
-  base::ThreadChecker thread_checker_;
-
-  // Surfaces related stuff and layer which holds the delegated content from the
-  // compositor.
-  std::unique_ptr<cc::SurfaceIdAllocator> surface_id_allocator_;
-  scoped_refptr<cc::Layer> layer_;
-
-  // To be notified of any incoming compositor protos that are specifically sent
-  // to |render_widget_id_|.
-  cc::RemoteProtoChannel::ProtoReceiver* remote_proto_channel_receiver_;
-
-  // Handles input events for the current render widget. The lifetime of the
-  // input manager is tied to the lifetime of the |host_| which owns the
-  // cc::InputHandler. The input events are forwarded to this input handler by
-  // the manager to be handled by the client compositor for the current render
-  // widget.
-  std::unique_ptr<BlimpInputManager> input_manager_;
-
-  base::WeakPtrFactory<BlimpCompositor> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(BlimpCompositor);
-};
-
-}  // namespace client
-}  // namespace blimp
-
-#endif  // BLIMP_CLIENT_FEATURE_COMPOSITOR_BLIMP_COMPOSITOR_H_