LibWeb: Make property_initial_value() return a NonnullRefPtr

The finale! Users can now be sure that the value is valid, which makes
things simpler.

2 files changed, 4 insertions, 6 deletions

diff --git a/Meta/Lagom/Tools/CodeGenerators/LibWeb/Generate_CSS_PropertyID_cpp.cpp b/Meta/Lagom/Tools/CodeGenerators/LibWeb/Generate_CSS_PropertyID_cpp.cpp
index 24c7ea9b94..7c4e524dab 100644
--- a/Meta/Lagom/Tools/CodeGenerators/LibWeb/Generate_CSS_PropertyID_cpp.cpp
+++ b/Meta/Lagom/Tools/CodeGenerators/LibWeb/Generate_CSS_PropertyID_cpp.cpp
@@ -169,7 +169,7 @@ bool is_inherited_property(PropertyID property_id)
     }
 }
 
-RefPtr<StyleValue> property_initial_value(PropertyID property_id)
+NonnullRefPtr<StyleValue> property_initial_value(PropertyID property_id)
 {
     static HashMap<PropertyID, NonnullRefPtr<StyleValue>> initial_values;
     if (initial_values.is_empty()) {
@@ -219,10 +219,7 @@ RefPtr<StyleValue> property_initial_value(PropertyID property_id)
     generator.append(R"~~~(
     }
 
-    auto it = initial_values.find(property_id);
-    if (it == initial_values.end())
-        return nullptr;
-    return it->value;
+    return *initial_values.find(property_id)->value;
 }
 
 bool property_has_quirk(PropertyID property_id, Quirk quirk)
diff --git a/Meta/Lagom/Tools/CodeGenerators/LibWeb/Generate_CSS_PropertyID_h.cpp b/Meta/Lagom/Tools/CodeGenerators/LibWeb/Generate_CSS_PropertyID_h.cpp
index 8fb24c945c..6ded891fe5 100644
--- a/Meta/Lagom/Tools/CodeGenerators/LibWeb/Generate_CSS_PropertyID_h.cpp
+++ b/Meta/Lagom/Tools/CodeGenerators/LibWeb/Generate_CSS_PropertyID_h.cpp
@@ -45,6 +45,7 @@ int main(int argc, char** argv)
     generator.append(R"~~~(
 #pragma once
 
+#include <AK/NonnullRefPtr.h>
 #include <AK/StringView.h>
 #include <AK/Traits.h>
 #include <LibWeb/Forward.h>
@@ -104,7 +105,7 @@ PropertyID property_id_from_camel_case_string(StringView);
 PropertyID property_id_from_string(const StringView&);
 const char* string_from_property_id(PropertyID);
 bool is_inherited_property(PropertyID);
-RefPtr<StyleValue> property_initial_value(PropertyID);
+NonnullRefPtr<StyleValue> property_initial_value(PropertyID);
 
 bool property_accepts_value(PropertyID, StyleValue&);
 size_t property_maximum_value_count(PropertyID);