Remove ScopedAllowCrossThreadRefCountAccess from GpuDataManagerImpl

content/browser/gpu/gpu_data_manager_impl.cc

Index: content/browser/gpu/gpu_data_manager_impl.cc
diff --git a/content/browser/gpu/gpu_data_manager_impl.cc b/content/browser/gpu/gpu_data_manager_impl.cc
index fb2fb3847e153ff44d616508516e7ac9948bb519..443b600fdb34664f11b44284148b32b4ab353571 100644
--- a/content/browser/gpu/gpu_data_manager_impl.cc
+++ b/content/browser/gpu/gpu_data_manager_impl.cc
@@ -63,10 +63,6 @@ void GpuDataManagerImpl::InitializeForTesting(
     const gpu::GpuControlListData& gpu_blacklist_data,
     const gpu::GPUInfo& gpu_info) {
   base::AutoLock auto_lock(lock_);
-  // Relax the cross-thread access restriction to non-thread-safe RefCount.
-  // See the comment in Initialize().
-  base::ScopedAllowCrossThreadRefCountAccess
-      allow_cross_thread_ref_count_access;
   private_->InitializeForTesting(gpu_blacklist_data, gpu_info);
 }
 
@@ -191,20 +187,11 @@ void GpuDataManagerImpl::SetGpuInfo(const gpu::GPUInfo& gpu_info) {
 
 void GpuDataManagerImpl::Initialize() {
   base::AutoLock auto_lock(lock_);
-  // Relax the cross-thread access restriction to non-thread-safe RefCount.
-  // GpuDataManagerImplPrivate has GpuControlLists, which touches
-  // non-thread-safe GpuControlListEntry RefCount in the lock.
-  base::ScopedAllowCrossThreadRefCountAccess
-      allow_cross_thread_ref_count_access;
   private_->Initialize();
 }
 
 void GpuDataManagerImpl::UpdateGpuInfo(const gpu::GPUInfo& gpu_info) {
   base::AutoLock auto_lock(lock_);
-  // Relax the cross-thread access restriction to non-thread-safe RefCount.
-  // See the comment in Initialize().
-  base::ScopedAllowCrossThreadRefCountAccess
-      allow_cross_thread_ref_count_access;
   private_->UpdateGpuInfo(gpu_info);
 }
 
@@ -310,10 +297,6 @@ size_t GpuDataManagerImpl::GetBlacklistedFeatureCount() const {
 bool GpuDataManagerImpl::UpdateActiveGpu(uint32_t vendor_id,
                                          uint32_t device_id) {
   base::AutoLock auto_lock(lock_);
-  // Relax the cross-thread access restriction to non-thread-safe RefCount.
-  // See the comment in Initialize().
-  base::ScopedAllowCrossThreadRefCountAccess
-      allow_cross_thread_ref_count_access;
   return private_->UpdateActiveGpu(vendor_id, device_id);
 }