Android JNI gen: Don't emit code for empty RegisterNatives()

chromecast/base/cast_sys_info_android.cc

Index: chromecast/base/cast_sys_info_android.cc
diff --git a/chromecast/base/cast_sys_info_android.cc b/chromecast/base/cast_sys_info_android.cc
index 80eaf93389412e80da938155024a35b7b61a28aa..dc7afabc079d7355a8fbe20ebfdbc07939f282ce 100644
--- a/chromecast/base/cast_sys_info_android.cc
+++ b/chromecast/base/cast_sys_info_android.cc
@@ -21,11 +21,6 @@ const char kBuildTypeUser[] = "user";
 }  // namespace
 
 // static
-bool CastSysInfoAndroid::RegisterJni(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
-// static
 std::unique_ptr<CastSysInfo> CreateSysInfo() {
   return base::WrapUnique(new CastSysInfoAndroid());
 }