Add OzoneGLImpl interface.

ui/gl/test/gl_surface_test_support.cc

 // Copyright 2015 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/gl/test/gl_surface_test_support.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "build/build_config.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_switches.h"
 #include "ui/gl/init/gl_factory.h"
 
 #if defined(USE_X11)
 #include <X11/Xlib.h>
 #include "ui/platform_window/x11/x11_window.h"
 #endif
 
+#if defined(USE_OZONE)
+#include "ui/ozone/public/ozone_platform.h"
+#endif
+
 namespace gl {
 
 // static
 void GLSurfaceTestSupport::InitializeOneOff() {
   DCHECK_EQ(kGLImplementationNone, GetGLImplementation());
 
 #if defined(USE_X11)
   XInitThreads();
   ui::test::SetUseOverrideRedirectWindowByDefault(true);
 #endif
@@ skipping 28 matching lines @@
   bool disable_gl_drawing = true;
 
   CHECK(init::InitializeGLOneOffImplementation(
       impl, fallback_to_osmesa, gpu_service_logging, disable_gl_drawing));
 }
 
 // static
 void GLSurfaceTestSupport::InitializeOneOffImplementation(
     GLImplementation impl,
     bool fallback_to_osmesa) {
+#if defined(USE_OZONE)
+  // This function skips where Ozone is otherwise initialized in some tests.
+  ui::OzonePlatform::InitializeForGPU();
+#endif
+
   DCHECK(!base::CommandLine::ForCurrentProcess()->HasSwitch(switches::kUseGL))
       << "kUseGL has not effect in tests";
 
   // This method may be called multiple times in the same process to set up
   // bindings in different ways.
   init::ClearGLBindings();
 
   bool gpu_service_logging = false;
   bool disable_gl_drawing = false;
 
   CHECK(init::InitializeGLOneOffImplementation(
       impl, fallback_to_osmesa, gpu_service_logging, disable_gl_drawing));
 }
 
 // static
 void GLSurfaceTestSupport::InitializeOneOffWithMockBindings() {
   InitializeOneOffImplementation(kGLImplementationMockGL, false);
 }
 
 }  // namespace gl