Roll Chrome into Mojo.

base/sys_info_android.cc

Index: base/sys_info_android.cc
diff --git a/base/sys_info_android.cc b/base/sys_info_android.cc
index 829053f608045c00254db8b507605ea1257f9d1e..b62aed994f0db5f0a65a6929a1857e0c797f1a3a 100644
--- a/base/sys_info_android.cc
+++ b/base/sys_info_android.cc
@@ -47,7 +47,7 @@ static base::LazyInstance<base::internal::LazySysInfoValue<
 // from Chrome we work around this by defining a weak stub here, which uses
 // dlsym to but ensures that Chrome uses the real system
 // implementatation when loaded.  http://crbug.com/392191.
-int __system_property_get(const char* name, char* value) {
+BASE_EXPORT int __system_property_get(const char* name, char* value) {
   return g_lazy_real_system_property_get.Get().value()(name, value);
 }