Mojo-ifying chrome://version.

components/version_ui/version_handler_helper.h

Index: components/version_ui/version_handler_helper.h
diff --git a/components/version_ui/version_handler_helper.h b/components/version_ui/version_handler_helper.h
index 697049ecd92d5e7052c439c6a2eefcad7a37b723..ea2ee25e1ee0803e11da49e56c185eadb769b1ce 100644
--- a/components/version_ui/version_handler_helper.h
+++ b/components/version_ui/version_handler_helper.h
@@ -6,6 +6,8 @@
 #define COMPONENTS_VERSION_UI_VERSION_HANDLER_HELPER_H_
 
 #include <memory>
+#include <string>
+#include <vector>
 
 namespace base {
 class Value;
@@ -13,8 +15,12 @@ class Value;
 
 namespace version_ui {
 
+std::vector<std::string> GetVariations();
+
+#if defined(OS_IOS)
 // Returns the list of variations to be displayed on the chrome:://version page.
 std::unique_ptr<base::Value> GetVariationsList();
+#endif
 
 }  // namespace version_ui