services/ui: Remove deprecated gpu code

services/ui/service.h

Index: services/ui/service.h
diff --git a/services/ui/service.h b/services/ui/service.h
index 273d779498325ac0bcefd946bdc5ff1159bf2106..4db5af4f416336f6fe0f5862940d49adef03c19f 100644
--- a/services/ui/service.h
+++ b/services/ui/service.h
@@ -68,7 +68,6 @@ class Service
       public shell::InterfaceFactory<mojom::AccessibilityManager>,
       public shell::InterfaceFactory<mojom::Clipboard>,
       public shell::InterfaceFactory<mojom::DisplayManager>,
-      public shell::InterfaceFactory<mojom::Gpu>,
       public shell::InterfaceFactory<mojom::GpuService>,
       public shell::InterfaceFactory<mojom::UserAccessManager>,
       public shell::InterfaceFactory<mojom::UserActivityMonitor>,
@@ -120,10 +119,6 @@ class Service
   void Create(const shell::Identity& remote_identity,
               mojom::DisplayManagerRequest request) override;
 
-  // shell::InterfaceFactory<mojom::Gpu> implementation.
-  void Create(const shell::Identity& remote_identity,
-              mojom::GpuRequest request) override;
-
   // shell::InterfaceFactory<mojom::GpuService> implementation.
   void Create(const shell::Identity& remote_identity,
               mojom::GpuServiceRequest request) override;
@@ -172,7 +167,6 @@ class Service
   InputDeviceServer input_device_server_;
 
   bool test_config_;
-  bool use_chrome_gpu_command_buffer_;
 #if defined(USE_OZONE)
   std::unique_ptr<ui::ClientNativePixmapFactory> client_native_pixmap_factory_;
 #endif