Introducing gpu::CommandBufferId as a distinct, IdType<...>-based type.

components/mus/gles2/command_buffer_driver.cc

 // Copyright 2013 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.
 
 #include "components/mus/gles2/command_buffer_driver.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 35 matching lines @@
 
 // Prevents idle work from being starved.
 const int64_t kMaxTimeSinceIdleMs = 10;
 
 }  // namespace
 
 CommandBufferDriver::Client::~Client() {}
 
 CommandBufferDriver::CommandBufferDriver(
     gpu::CommandBufferNamespace command_buffer_namespace,
-    uint64_t command_buffer_id,
+    gpu::CommandBufferId command_buffer_id,
     gfx::AcceleratedWidget widget,
     scoped_refptr<GpuState> gpu_state)
     : command_buffer_namespace_(command_buffer_namespace),
       command_buffer_id_(command_buffer_id),
       widget_(widget),
       client_(nullptr),
       gpu_state_(gpu_state),
       previous_processed_num_(0),
       weak_factory_(this) {
   DCHECK_EQ(base::ThreadTaskRunnerHandle::Get(),
@@ skipping 376 matching lines @@
 }
 
 void CommandBufferDriver::OnFenceSyncRelease(uint64_t release) {
   DCHECK(CalledOnValidThread());
   if (!sync_point_client_->client_state()->IsFenceSyncReleased(release))
     sync_point_client_->ReleaseFenceSync(release);
 }
 
 bool CommandBufferDriver::OnWaitFenceSync(
     gpu::CommandBufferNamespace namespace_id,
-    uint64_t command_buffer_id,
+    gpu::CommandBufferId command_buffer_id,
     uint64_t release) {
   DCHECK(CalledOnValidThread());
   DCHECK(IsScheduled());
   gpu::SyncPointManager* sync_point_manager = gpu_state_->sync_point_manager();
   DCHECK(sync_point_manager);
 
   scoped_refptr<gpu::SyncPointClientState> release_state =
       sync_point_manager->GetSyncPointClientState(namespace_id,
                                                   command_buffer_id);
 
@@ skipping 27 matching lines @@
 
   gpu::gles2::QueryManager* query_manager = decoder_->GetQueryManager();
   gpu::gles2::QueryManager::Query* query = query_manager->GetQuery(query_id);
   if (query)
     query->AddCallback(callback);
   else
     callback.Run();
 }
 
 }  // namespace mus