bindings: Fixes build breakage of per-method [Exposed].

Source/bindings/templates/methods.cpp

 {% from 'conversions.cpp' import declare_enum_validation_variable, v8_value_to_local_cpp_value %}
 
 
 {##############################################################################}
 {% macro generate_method(method, world_suffix) %}
 {% filter conditional(method.conditional_string) %}
 {% 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)
@@ skipping 673 matching lines @@
 ExecutionContext* context = toExecutionContext(prototypeObject->CreationContext());
 ASSERT(context);
 {% for method in conditionally_enabled_methods %}
 {% 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) %}
 v8::Local<v8::FunctionTemplate> functionTemplate = v8::FunctionTemplate::New(isolate, {{cpp_class_or_partial}}V8Internal::{{method.name}}MethodCallback, v8Undefined(), defaultSignature, {{method.number_of_required_arguments}});
-v8::Local<v8::Function> function = ->GetFunction(isolate->GetCurrentContext())).ToLocalChecked();

[bashi, 2015/08/21 06:55:11]

My bad :(

+v8::Local<v8::Function> function = v8CallOrCrash(functionTemplate->GetFunction(isolate->GetCurrentContext()));
 v8CallOrCrash(prototypeObject->Set(isolate->GetCurrentContext(), v8AtomicString(isolate, "{{method.name}}"), function));
 {% endfilter %}{# runtime_enabled() #}
 {% endfilter %}{# exposed() #}
 {% endfor %}
 {% endif %}
 {%- endmacro %}