Fix compositor_unittests with Ozone X11.

ui/compositor/test/test_suite.cc

 // Copyright (c) 2012 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 "ui/compositor/test/test_suite.h"
 
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "build/build_config.h"
 #include "ui/compositor/compositor.h"
 #include "ui/compositor/compositor_switches.h"
 #include "ui/compositor/layer.h"
 #include "ui/gfx/gfx_paths.h"
 #include "ui/gl/test/gl_surface_test_support.h"
 
+#if defined(USE_OZONE)
+#include "ui/ozone/public/ozone_platform.h"
+#endif
+
 #if defined(OS_WIN)
 #include "ui/display/win/dpi.h"
 #endif
 
 namespace ui {
 namespace test {
 
 CompositorTestSuite::CompositorTestSuite(int argc, char** argv)
     : TestSuite(argc, argv) {}
 
 CompositorTestSuite::~CompositorTestSuite() {}
 
 void CompositorTestSuite::Initialize() {
   base::TestSuite::Initialize();
   gl::GLSurfaceTestSupport::InitializeOneOff();
 
   gfx::RegisterPathProvider();
 
+#if defined(USE_OZONE)

[danakj, 2017/03/06 20:56:16]

nit: group with GLSurface init

[kylechar, 2017/03/06 21:50:40]

Done.

+  ui::OzonePlatform::InitializeForUI();
+#endif
+
 #if defined(OS_WIN)
   display::win::SetDefaultDeviceScaleFactor(1.0f);
 #endif
 
   message_loop_.reset(new base::MessageLoopForUI);
 }
 
 void CompositorTestSuite::Shutdown() {
   message_loop_.reset();
 
   base::TestSuite::Shutdown();
 }
 
 }  // namespace test
 }  // namespace ui