gpu: GPU service scheduler.

gpu/ipc/client/gpu_channel_host.h

Index: gpu/ipc/client/gpu_channel_host.h
diff --git a/gpu/ipc/client/gpu_channel_host.h b/gpu/ipc/client/gpu_channel_host.h
index 88733e799919a9d2875f86530b20b8345adb3396..1233156ecad586397edf45d6daadbbdaaaf0a917 100644
--- a/gpu/ipc/client/gpu_channel_host.h
+++ b/gpu/ipc/client/gpu_channel_host.h
@@ -18,9 +18,9 @@
 #include "base/memory/weak_ptr.h"
 #include "base/process/process.h"
 #include "base/synchronization/lock.h"
+#include "gpu/command_buffer/common/gpu_stream_constants.h"
 #include "gpu/config/gpu_info.h"
 #include "gpu/gpu_export.h"
-#include "gpu/ipc/common/gpu_stream_constants.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_sync_channel.h"
 #include "ipc/message_filter.h"
@@ -150,9 +150,6 @@ class GPU_EXPORT GpuChannelHost
   // Generate a route ID guaranteed to be unique for this channel.
   int32_t GenerateRouteID();
 
-  // Generate a stream ID guaranteed to be unique for this channel.
-  int32_t GenerateStreamID();
-
   // Sends a synchronous nop to the server which validate that all previous IPC
   // messages have been received. Once the synchronous nop has been sent to the
   // server all previous flushes will all be marked as validated, including
@@ -250,7 +247,6 @@ class GPU_EXPORT GpuChannelHost
   // except:
   // - |next_image_id_|, atomic type
   // - |next_route_id_|, atomic type
-  // - |next_stream_id_|, atomic type
   // - |channel_| and |stream_flush_info_|, protected by |context_lock_|
   GpuChannelHostFactory* const factory_;
 
@@ -270,9 +266,6 @@ class GPU_EXPORT GpuChannelHost
   // Route IDs are allocated in sequence.
   base::AtomicSequenceNumber next_route_id_;
 
-  // Stream IDs are allocated in sequence.
-  base::AtomicSequenceNumber next_stream_id_;
-
   // Protects channel_ and stream_flush_info_.
   mutable base::Lock context_lock_;
   std::unique_ptr<IPC::SyncChannel> channel_;