ozone: ClientPixmapManager passes VGEM fd from browser to renderer.

ui/ozone/platform/test/ozone_platform_test.cc

Index: ui/ozone/platform/test/ozone_platform_test.cc
diff --git a/ui/ozone/platform/test/ozone_platform_test.cc b/ui/ozone/platform/test/ozone_platform_test.cc
index c6da9e3aa73aff483f148a75538f4c894feea749..6d15569197b8f2c854a7c6ee111035e234429ce8 100644
--- a/ui/ozone/platform/test/ozone_platform_test.cc
+++ b/ui/ozone/platform/test/ozone_platform_test.cc
@@ -5,6 +5,7 @@
 #include "ui/ozone/platform/test/ozone_platform_test.h"
 
 #include "base/command_line.h"
+#include "base/file_descriptor_posix.h"
 #include "base/files/file_path.h"
 #include "ui/base/cursor/ozone/bitmap_cursor_factory_ozone.h"
 #include "ui/events/ozone/layout/keyboard_layout_engine_manager.h"
@@ -76,6 +77,9 @@ class OzonePlatformTest : public OzonePlatform {
   scoped_ptr<NativeDisplayDelegate> CreateNativeDisplayDelegate() override {
     return make_scoped_ptr(new NativeDisplayDelegateOzone());
   }
+  base::FileDescriptor GetVirtualDeviceFd() override {
+    return base::FileDescriptor();
+  }
 
   void InitializeUI() override {
     window_manager_.reset(new TestWindowManager(file_path_));