UnlockForRead    1150 cc/resources/resource_provider.cc   resource_provider_->UnlockForRead(resource_id_);
UnlockForRead    1207 cc/resources/resource_provider.cc   resource_provider_->UnlockForRead(resource_id_);
UnlockForRead     572 cc/resources/resource_provider.h   void UnlockForRead(ResourceId id);