gl, ozone: enable GLImageBindTest unittests

ui/gl/test/run_all_unittests.cc

Index: ui/gl/test/run_all_unittests.cc
diff --git a/ui/gl/test/run_all_unittests.cc b/ui/gl/test/run_all_unittests.cc
index e9af318893aae5aa8e402bc30135e04485935725..c12715d6c062c53120e39d70c1b7a7361f7cf283 100644
--- a/ui/gl/test/run_all_unittests.cc
+++ b/ui/gl/test/run_all_unittests.cc
@@ -11,6 +11,10 @@
 #if defined(OS_MACOSX) && !defined(OS_IOS)
 #include "base/test/mock_chrome_application_mac.h"
 #endif
+#if defined(USE_OZONE)
+#include "base/message_loop/message_loop.h"
+#include "ui/ozone/public/client_native_pixmap_factory.h"
+#endif
 
 namespace {
 
@@ -26,6 +30,13 @@ class GlTestSuite : public base::TestSuite {
 #if defined(OS_MACOSX) && !defined(OS_IOS)
     mock_cr_app::RegisterMockCrApp();
 #endif
+#if defined(USE_OZONE)
+    // On Ozone, the backend initializes the event system using a UI thread.
+    message_loop_.reset(new base::MessageLoopForUI);
+    client_native_pixmap_factory_ = ui::ClientNativePixmapFactory::Create();
+    ui::ClientNativePixmapFactory::SetInstance(
+        client_native_pixmap_factory_.get());
+#endif
   }
 
   void Shutdown() override {
@@ -33,6 +44,10 @@ class GlTestSuite : public base::TestSuite {
   }
 
  private:
+#if defined(USE_OZONE)
+  std::unique_ptr<base::MessageLoop> message_loop_;
+  std::unique_ptr<ui::ClientNativePixmapFactory> client_native_pixmap_factory_;
+#endif
   DISALLOW_COPY_AND_ASSIGN(GlTestSuite);
 };