Fix the MessageLoop type in case more than one ozone platform is built

content/gpu/gpu_main.cc

Index: content/gpu/gpu_main.cc
diff --git a/content/gpu/gpu_main.cc b/content/gpu/gpu_main.cc
index 2518e539bc8a55102c91f54d86345cf8403be521..1d208bc92a0db7a19e28b9d32fa2d8671a1f935c 100644
--- a/content/gpu/gpu_main.cc
+++ b/content/gpu/gpu_main.cc
@@ -47,6 +47,7 @@
 #include "ui/gl/gl_switches.h"
 #include "ui/gl/gpu_switching_manager.h"
 #include "ui/gl/init/gl_factory.h"
+#include "ui/ozone/public/ozone_platform.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
@@ -217,13 +218,9 @@ int GpuMain(const MainFunctionParams& parameters) {
     // and https://crbug.com/326995.
     main_message_loop.reset(new base::MessageLoop(base::MessageLoop::TYPE_UI));
     event_source = ui::PlatformEventSource::CreateDefault();
-#elif defined(USE_OZONE) && defined(OZONE_X11)
-    // If we might be running Ozone X11 we need a UI loop to grab Expose events.
-    // See GLSurfaceGLX and https://crbug.com/326995.
-    main_message_loop.reset(new base::MessageLoop(base::MessageLoop::TYPE_UI));
 #elif defined(USE_OZONE)
     main_message_loop.reset(
-        new base::MessageLoop(base::MessageLoop::TYPE_DEFAULT));
+        new base::MessageLoop(ui::OzonePlatform::GetMessageLoopType()));

[sadrul, 2017/01/31 17:12:36]

Is there a reason to not always use TYPE_UI here?

 #elif defined(OS_LINUX)
 #error "Unsupported Linux platform."
 #elif defined(OS_MACOSX)