Ensure the services gpu tests run with ozone.

services/test/run_all_service_tests.cc

 // Copyright 2017 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 "base/bind.h"
 #include "base/macros.h"
 #include "base/path_service.h"
 #include "base/test/launcher/unit_test_launcher.h"
 #include "base/test/test_suite.h"
 #include "services/service_manager/public/cpp/test/common_initialization.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/ui_base_paths.h"
 
+#if defined(USE_OZONE)
+#include "ui/ozone/public/ozone_platform.h"
+#endif
+
 namespace {
 
 class ServiceTestSuite : public base::TestSuite {
  public:
   ServiceTestSuite(int argc, char** argv) : base::TestSuite(argc, argv) {}
   ~ServiceTestSuite() override {}
 
  protected:
   void Initialize() override {
     base::TestSuite::Initialize();
     ui::RegisterPathProvider();
 
     base::FilePath ui_test_pak_path;
     ASSERT_TRUE(PathService::Get(ui::UI_TEST_PAK, &ui_test_pak_path));
     ui::ResourceBundle::InitSharedInstanceWithPakPath(ui_test_pak_path);
+
+#if defined(USE_OZONE)
+    ui::OzonePlatform::InitParams params;
+    params.single_process = true;
+    ui::OzonePlatform::InitializeForGPU(params);
+#endif
   }
 
   void Shutdown() override {
     ui::ResourceBundle::CleanupSharedInstance();
     base::TestSuite::Shutdown();
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ServiceTestSuite);
 };
 
 }  // namespace
 
 int main(int argc, char** argv) {
   ServiceTestSuite test_suite(argc, argv);
 
   return service_manager::InitializeAndLaunchUnitTests(
       argc, argv,
       base::Bind(&ServiceTestSuite::Run, base::Unretained(&test_suite)));
 }