services/ui: Remove deprecated gpu code

services/ui/service.cc

Index: services/ui/service.cc
diff --git a/services/ui/service.cc b/services/ui/service.cc
index 88892a933ce5cc9cb1e4c7bce35735e4de25b45c..3e4c2207d772efcd2dcf6e044ee17d968eb4c24c 100644
--- a/services/ui/service.cc
+++ b/services/ui/service.cc
@@ -20,7 +20,6 @@
 #include "services/ui/clipboard/clipboard_impl.h"
 #include "services/ui/common/switches.h"
 #include "services/ui/display/platform_screen.h"
-#include "services/ui/gles2/gpu_impl.h"
 #include "services/ui/gpu/gpu_service_impl.h"
 #include "services/ui/gpu/gpu_service_mus.h"
 #include "services/ui/ws/accessibility_manager.h"
@@ -53,7 +52,6 @@
 
 using shell::Connection;
 using mojo::InterfaceRequest;
-using ui::mojom::Gpu;
 using ui::mojom::WindowServerTest;
 using ui::mojom::WindowTreeHostFactory;
 
@@ -81,13 +79,6 @@ struct Service::UserState {
 
 Service::Service()
     : test_config_(false),
-// TODO(penghuang): Kludge: Use mojo command buffer when running on
-// Windows since chrome command buffer breaks unit tests
-#if defined(OS_WIN)
-      use_chrome_gpu_command_buffer_(false),
-#else
-      use_chrome_gpu_command_buffer_(true),
-#endif
       platform_screen_(display::PlatformScreen::Create()),
       weak_ptr_factory_(this) {
 }
@@ -97,9 +88,6 @@ Service::~Service() {
   // WindowServer (or more correctly its Displays) may have state that needs to
   // be destroyed before GpuState as well.
   window_server_.reset();
-
-  if (platform_display_init_params_.gpu_state)
-    platform_display_init_params_.gpu_state->StopThreads();
 }
 
 void Service::InitializeResources(shell::Connector* connector) {
@@ -152,15 +140,6 @@ void Service::OnStart(const shell::Identity& identity) {
 
   test_config_ = base::CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kUseTestConfig);
-// TODO(penghuang): Kludge: use mojo command buffer when running on Windows
-// since Chrome command buffer breaks unit tests
-#if defined(OS_WIN)
-  use_chrome_gpu_command_buffer_ = false;
-#else
-  use_chrome_gpu_command_buffer_ =
-      !base::CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kUseMojoGpuCommandBufferInMus);
-#endif
 #if defined(USE_X11)
   XInitThreads();
   if (test_config_)
@@ -202,13 +181,7 @@ void Service::OnStart(const shell::Identity& identity) {
   // so keep this line below both of those.
   input_device_server_.RegisterAsObserver();
 
-  if (use_chrome_gpu_command_buffer_) {
-    GpuServiceMus::GetInstance();
-  } else {
-    // TODO(rjkroege): It is possible that we might want to generalize the
-    // GpuState object.
-    platform_display_init_params_.gpu_state = new GpuState();
-  }
+  GpuServiceMus::GetInstance();
 
   // Gpu must be running before the PlatformScreen can be initialized.
   platform_screen_->Init();
@@ -226,6 +199,7 @@ bool Service::OnConnect(Connection* connection) {
   connection->AddInterface<mojom::AccessibilityManager>(this);
   connection->AddInterface<mojom::Clipboard>(this);
   connection->AddInterface<mojom::DisplayManager>(this);
+  connection->AddInterface<mojom::GpuService>(this);
   connection->AddInterface<mojom::UserAccessManager>(this);
   connection->AddInterface<mojom::UserActivityMonitor>(this);
   connection->AddInterface<WindowTreeHostFactory>(this);
@@ -234,12 +208,6 @@ bool Service::OnConnect(Connection* connection) {
   if (test_config_)
     connection->AddInterface<WindowServerTest>(this);
 
-  if (use_chrome_gpu_command_buffer_) {
-    connection->AddInterface<mojom::GpuService>(this);
-  } else {
-    connection->AddInterface<Gpu>(this);
-  }
-
   // On non-Linux platforms there will be no DeviceDataManager instance and no
   // purpose in adding the Mojo interface to connect to.
   if (input_device_server_.IsRegisteredAsObserver())
@@ -314,17 +282,7 @@ void Service::Create(const shell::Identity& remote_identity,
 }
 
 void Service::Create(const shell::Identity& remote_identity,
-                     mojom::GpuRequest request) {
-  if (use_chrome_gpu_command_buffer_)
-    return;
-  DCHECK(platform_display_init_params_.gpu_state);
-  new GpuImpl(std::move(request), platform_display_init_params_.gpu_state);
-}
-
-void Service::Create(const shell::Identity& remote_identity,
                      mojom::GpuServiceRequest request) {
-  if (!use_chrome_gpu_command_buffer_)
-    return;
   new GpuServiceImpl(std::move(request));
 }