IDL: reuse more code between CG for methods and constructors

Source/bindings/templates/attributes.cpp

Index: Source/bindings/templates/attributes.cpp
diff --git a/Source/bindings/templates/attributes.cpp b/Source/bindings/templates/attributes.cpp
index 7fd53925f10121c5d332e1419cbaa8b195eb6cb6..9567d30c2ff7a7faab5b8e7bf48230b6c9c36b83 100644
--- a/Source/bindings/templates/attributes.cpp
+++ b/Source/bindings/templates/attributes.cpp
@@ -42,7 +42,7 @@ const v8::PropertyCallbackInfo<v8::Value>& info
     {% endif %}
     {# Local variables #}
     {% if attribute.is_call_with_execution_context %}
-    ExecutionContext* scriptContext = currentExecutionContext(info.GetIsolate());
+    ExecutionContext* executionContext = currentExecutionContext(info.GetIsolate());
     {% endif %}
     {% if attribute.is_call_with_script_state %}
     ScriptState* scriptState = ScriptState::current(info.GetIsolate());
@@ -276,7 +276,7 @@ v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info
     {% endif %}
     {% if attribute.is_call_with_execution_context or
           attribute.is_setter_call_with_execution_context %}
-    ExecutionContext* scriptContext = currentExecutionContext(info.GetIsolate());
+    ExecutionContext* executionContext = currentExecutionContext(info.GetIsolate());
     {% endif %}
     {# Set #}
     {{attribute.cpp_setter}};