Implement '[SecureContext]' IDL attribute for interfaces, methods and attributes.

third_party/WebKit/Source/bindings/templates/methods.cpp

 {% from 'utilities.cpp' import declare_enum_validation_variable, v8_value_to_local_cpp_value %}
 
 {##############################################################################}
 {% macro generate_method(method, world_suffix) %}
 {% if method.returns_promise and method.has_exception_state %}
 static void {{method.name}}{{method.overload_index}}Method{{world_suffix}}Promise(const v8::FunctionCallbackInfo<v8::Value>& info, ExceptionState& exceptionState)
 {% else %}
 static void {{method.name}}{{method.overload_index}}Method{{world_suffix}}(const v8::FunctionCallbackInfo<v8::Value>& info)
 {% endif %}
 {
@@ skipping 669 matching lines @@
 {%- endmacro %}
 
 {######################################}
 {% macro install_conditionally_enabled_methods() %}
 {% if methods | conditionally_exposed(is_partial) %}
 {# Define operations with limited exposure #}
 v8::Local<v8::Signature> signature = v8::Signature::New(isolate, interfaceTemplate);
 ExecutionContext* executionContext = toExecutionContext(prototypeObject->CreationContext());
 ASSERT(executionContext);
 {% for method in methods | conditionally_exposed(is_partial) %}
+{% filter secure_context(method.overloads.secure_context_test_all
+                         if method.overloads else
+                         method.secure_context_test) %}
 {% filter exposed(method.overloads.exposed_test_all
                   if method.overloads else
                   method.exposed_test) %}
 {% filter runtime_enabled(method.overloads.runtime_enabled_function_all
                           if method.overloads else
                           method.runtime_enabled_function) %}
 const V8DOMConfiguration::MethodConfiguration {{method.name}}MethodConfiguration = {{method_configuration(method)}};
 V8DOMConfiguration::installMethod(isolate, world, v8::Local<v8::Object>(), prototypeObject, interfaceObject, signature, {{method.name}}MethodConfiguration);
 {% endfilter %}{# runtime_enabled() #}
 {% endfilter %}{# exposed() #}
+{% endfilter %}{# secure_context() #}
 {% endfor %}
 {% endif %}
 {%- endmacro %}