Revert of Decouple browser-specific GPU IPC messages from GPU service IPCs

content/common/gpu/gpu_channel_manager_delegate.h

-// 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 CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_DELEGATE_H_
-#define CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_DELEGATE_H_
-
-#include "gpu/command_buffer/common/constants.h"
-#include "ui/gfx/native_widget_types.h"
-
-class GURL;
-
-namespace IPC {
-struct ChannelHandle;
-}
-
-namespace content {
-
-struct AcceleratedSurfaceBuffersSwappedParams;
-struct GPUMemoryUmaStats;
-
-class GpuChannelManagerDelegate {
- public:
-  // Tells the delegate that a context has subscribed to a new target and
-  // the browser should start sending the corresponding information
-  virtual void AddSubscription(int32_t client_id, unsigned int target) = 0;
-
-  // Response from GPU to an EstablishChannel request.
-  virtual void ChannelEstablished(const IPC::ChannelHandle& channel_handle) = 0;
-
-  // Tells the delegate that an offscreen context was created for the provided
-  // |active_url|.
-  virtual void DidCreateOffscreenContext(const GURL& active_url) = 0;
-
-  // Notification from GPU that the channel is destroyed.
-  virtual void DidDestroyChannel(int client_id) = 0;
-
-  // Tells the delegate that an offscreen context was destroyed for the provided
-  // |active_url|.
-  virtual void DidDestroyOffscreenContext(const GURL& active_url) = 0;
-
-  // Tells the delegate that a context was lost.
-  virtual void DidLoseContext(bool offscreen,
-                              gpu::error::ContextLostReason reason,
-                              const GURL& active_url) = 0;
-
-  // Tells the delegate about GPU memory usage statistics for UMA logging.
-  virtual void GpuMemoryUmaStats(const GPUMemoryUmaStats& params) = 0;
-
-  // Tells the delegate that no contexts are subscribed to the target anymore
-  // so the delegate should stop sending the corresponding information.
-  virtual void RemoveSubscription(int32_t client_id, unsigned int target) = 0;
-
-  // Tells the delegate to cache the given shader information in persistent
-  // storage. The embedder is expected to repopulate the in-memory cache through
-  // the respective GpuChannelManager API.
-  virtual void StoreShaderToDisk(int32_t client_id,
-                                 const std::string& key,
-                                 const std::string& shader) = 0;
-
-#if defined(OS_MACOSX)
-  // Tells the delegate that an accelerated surface has swapped.
-  virtual void SendAcceleratedSurfaceBuffersSwapped(
-      const AcceleratedSurfaceBuffersSwappedParams& params) = 0;
-#endif
-
-#if defined(OS_WIN)
-  virtual void SendAcceleratedSurfaceCreatedChildWindow(
-      const gfx::PluginWindowHandle& parent_window,
-      const gfx::PluginWindowHandle& child_window) = 0;
-#endif
-
- protected:
-  virtual ~GpuChannelManagerDelegate() {}
-};
-
-}  // namespace content
-
-#endif  // CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_DELEGATE_H_