Use the new java_cpp_enum rule in content.

content/public/common/screen_orientation_values.h

Index: content/public/common/screen_orientation_values.h
diff --git a/content/public/common/screen_orientation_values.h b/content/public/common/screen_orientation_values.h
index fe421a2b79332f46664c4cf71c6fd5108e510b7a..422344d9c1d972426bafbd33d3ee13dccd463d8c 100644
--- a/content/public/common/screen_orientation_values.h
+++ b/content/public/common/screen_orientation_values.h
@@ -7,10 +7,18 @@
 
 namespace content {
 
+// A Java counterpart will be generated for this enum.
+// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.content_public.common
 enum ScreenOrientationValues {
-#define DEFINE_SCREEN_ORIENTATION_VALUE(name, value) name = value,
-#include "content/public/common/screen_orientation_values_list.h"
-#undef DEFINE_SCREEN_ORIENTATION_VALUE
+  SCREEN_ORIENTATION_VALUES_DEFAULT,
+  SCREEN_ORIENTATION_VALUES_PORTRAIT_PRIMARY,
+  SCREEN_ORIENTATION_VALUES_PORTRAIT_SECONDARY,
+  SCREEN_ORIENTATION_VALUES_LANDSCAPE_PRIMARY,
+  SCREEN_ORIENTATION_VALUES_LANDSCAPE_SECONDARY,
+  SCREEN_ORIENTATION_VALUES_ANY,
+  SCREEN_ORIENTATION_VALUES_LANDSCAPE,
+  SCREEN_ORIENTATION_VALUES_PORTRAIT,
+  SCREEN_ORIENTATION_VALUES_NATURAL,
 };
 
 } // namespace content