content: implement unittests backend for Ozone GBM

content/test/content_test_suite.cc

Index: content/test/content_test_suite.cc
diff --git a/content/test/content_test_suite.cc b/content/test/content_test_suite.cc
index 116bd0ce472064bf8445bc610e3bafd172f4f860..3e6ad603b20af2afcbda92801d7df5cdd8a1711e 100644
--- a/content/test/content_test_suite.cc
+++ b/content/test/content_test_suite.cc
@@ -78,6 +78,16 @@ void ContentTestSuite::Initialize() {
 #if defined(OS_WIN)
   gfx::InitDeviceScaleFactor(1.0f);
 #endif
+#if !defined(OS_IOS)
+  bool is_child_process = base::CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kTestChildProcess);
+#endif
+#if defined(USE_OZONE)
+  if (!is_child_process) {
+    ozone_ = ui::OzoneInitializerForTest::Create();
+    DCHECK(ozone_);
+  }
+#endif
 
   ContentTestSuiteBase::Initialize();
   {
@@ -89,8 +99,7 @@ void ContentTestSuite::Initialize() {
   media::InitializeMediaLibrary();
   // When running in a child process for Mac sandbox tests, the sandbox exists
   // to initialize GL, so don't do it here.
-  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kTestChildProcess)) {
+  if (!is_child_process) {
     gfx::GLSurface::InitializeOneOffForTests();
     gpu::ApplyGpuDriverBugWorkarounds(base::CommandLine::ForCurrentProcess());
   }