gpu: Add SequenceId for identifying sync point sequences.

gpu/ipc/service/gpu_channel_manager.h

 // Copyright (c) 2012 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 GPU_IPC_SERVICE_GPU_CHANNEL_MANAGER_H_
 #define GPU_IPC_SERVICE_GPU_CHANNEL_MANAGER_H_
 
 #include <stdint.h>
 
 #include <deque>
@@ skipping 101 matching lines @@
   GpuMemoryManager* gpu_memory_manager() { return &gpu_memory_manager_; }
 
   GpuChannel* LookupChannel(int32_t client_id) const;
 
   gl::GLSurface* GetDefaultOffscreenSurface();
 
   GpuMemoryBufferFactory* gpu_memory_buffer_factory() {
     return gpu_memory_buffer_factory_;
   }
 
-  // Returns the maximum order number for unprocessed IPC messages across all
-  // channels.
-  uint32_t GetUnprocessedOrderNum() const;
-
-  // Returns the maximum order number for processed IPC messages across all
-  // channels.
-  uint32_t GetProcessedOrderNum() const;
-
 #if defined(OS_ANDROID)
   void DidAccessGpu();
 #endif
 
   bool is_exiting_for_lost_context() {
     return exiting_for_lost_context_;
   }
 
   gles2::MailboxManager* mailbox_manager() const {
     return mailbox_manager_.get();
@@ skipping 68 matching lines @@
   // that any WeakPtrs to Controller are invalidated before its members
   // variable's destructors are executed, rendering them invalid.
   base::WeakPtrFactory<GpuChannelManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannelManager);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_IPC_SERVICE_GPU_CHANNEL_MANAGER_H_