Rename |imp| => |impl| in bindings generation

Source/bindings/templates/methods.cpp

 {##############################################################################}
 {% macro generate_method(method, world_suffix) %}
 {% filter conditional(method.conditional_string) %}
 static void {{method.name}}{{method.overload_index}}Method{{world_suffix}}(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     {% if method.has_exception_state %}
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "{{method.name}}", "{{interface_name}}", info.Holder(), info.GetIsolate());
     {% endif %}
     {% if method.number_of_required_arguments %}
     if (UNLIKELY(info.Length() < {{method.number_of_required_arguments}})) {
         {{throw_type_error(method,
               'ExceptionMessages::notEnoughArguments(%s, info.Length())' %
                   method.number_of_required_arguments) | indent(8)}}
         return;
     }
     {% endif %}
     {% if not method.is_static %}
-    {{cpp_class}}* imp = {{v8_class}}::toNative(info.Holder());
+    {{cpp_class}}* impl = {{v8_class}}::toNative(info.Holder());
     {% endif %}
     {% if method.is_custom_element_callbacks %}
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     {% endif %}
     {# Security checks #}
     {% if interface_name == 'EventTarget' %}
     {{event_target_check_security_for_frame() | indent }}
     {% elif method.is_check_security_for_frame %}
-    if (!BindingSecurity::shouldAllowAccessToFrame(info.GetIsolate(), imp->frame(), exceptionState)) {
+    if (!BindingSecurity::shouldAllowAccessToFrame(info.GetIsolate(), impl->frame(), exceptionState)) {
         exceptionState.throwIfNeeded();
         return;
     }
     {% endif %}
     {% if method.is_check_security_for_node %}
-    if (!BindingSecurity::shouldAllowAccessToNode(info.GetIsolate(), imp->{{method.name}}(exceptionState), exceptionState)) {
+    if (!BindingSecurity::shouldAllowAccessToNode(info.GetIsolate(), impl->{{method.name}}(exceptionState), exceptionState)) {
         v8SetReturnValueNull(info);
         exceptionState.throwIfNeeded();
         return;
     }
     {% endif %}
     {# Call method #}
     {% if interface_name == 'EventTarget' and
           method.name in ['addEventListener', 'removeEventListener'] %}
     {{add_event_listener_remove_event_listener_method(method.name) | indent}}
     {% else %}
     {% for argument in method.arguments %}
     {{generate_argument(method, argument, world_suffix) | indent}}
     {% endfor %}
     {% if world_suffix %}
     {{cpp_method_call(method, method.v8_set_return_value_for_main_world, method.cpp_value) | indent}}
     {% else %}
     {{cpp_method_call(method, method.v8_set_return_value, method.cpp_value) | indent}}
     {% endif %}
     {% endif %}{# addEventListener, removeEventListener #}
 }
 {% endfilter %}
 {% endmacro %}
 
 
 {######################################}
 {% macro event_target_check_security_for_frame() %}
 {# FIXME: use the existing shouldAllowAccessToFrame check if possible. #}
-if (DOMWindow* window = imp->toDOMWindow()) {
+if (DOMWindow* window = impl->toDOMWindow()) {
     if (!BindingSecurity::shouldAllowAccessToFrame(info.GetIsolate(), window->frame(), exceptionState)) {
         exceptionState.throwIfNeeded();
         return;
     }
     if (!window->document())
         return;
 }
 {% endmacro %}
 
 
 {######################################}
 {% macro add_event_listener_remove_event_listener_method(method_name) %}
 {# Set template values for addEventListener vs. removeEventListener #}
 {% set listener_lookup_type, listener, hidden_dependency_action =
     ('ListenerFindOrCreate', 'listener', 'addHiddenValueToArray')
     if method_name == 'addEventListener' else
     ('ListenerFindOnly', 'listener.get()', 'removeHiddenValueFromArray')
 %}
 RefPtr<EventListener> listener = V8EventListenerList::getEventListener(info[1], false, {{listener_lookup_type}});
 if (listener) {
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<WithNullCheck>, eventName, info[0]);
-    imp->{{method_name}}(eventName, {{listener}}, info[2]->BooleanValue());
-    if (!imp->toNode())
+    impl->{{method_name}}(eventName, {{listener}}, info[2]->BooleanValue());
+    if (!impl->toNode())
         {{hidden_dependency_action}}(info.Holder(), info[1], {{v8_class}}::eventListenerCacheIndex, info.GetIsolate());
 }
 {% endmacro %}
 
 
 {######################################}
 {% macro generate_argument(method, argument, world_suffix) %}
 {% if argument.is_optional and not argument.has_default and
       argument.idl_type != 'Dictionary' and
       not argument.is_callback_interface %}
@@ skipping 80 matching lines @@
                                (argument.index + 1, argument.name)) | indent}}
     return;
 }
 {% endif %}
 {% endmacro %}
 
 
 {######################################}
 {% macro cpp_method_call(method, v8_set_return_value, cpp_value) %}
 {% if method.is_implemented_by and not method.is_static %}
-ASSERT(imp);
+ASSERT(impl);
 {% endif %}
 {% if method.is_call_with_script_state %}
 ScriptState* currentState = ScriptState::current();
 if (!currentState)
     return;
 ScriptState& state = *currentState;
 {% endif %}
 {% if method.is_call_with_execution_context %}
 ExecutionContext* scriptContext = currentExecutionContext(info.GetIsolate());
 {% endif %}
@@ skipping 127 matching lines @@
     {# FIXME: 1 case of [DoNotCheckSignature] in Window.idl may differ #}
     v8::Handle<v8::FunctionTemplate> privateTemplate = data->domTemplate(&domTemplateKey, {{cpp_class}}V8Internal::{{method.name}}MethodCallback{{world_suffix}}, v8Undefined(), {{signature}}, {{method.number_of_required_or_variadic_arguments}});
 
     v8::Handle<v8::Object> holder = {{v8_class}}::findInstanceInPrototypeChain(info.This(), info.GetIsolate());
     if (holder.IsEmpty()) {
         // This is only reachable via |object.__proto__.func|, in which case it
         // has already passed the same origin security check
         v8SetReturnValue(info, privateTemplate->GetFunction());
         return;
     }
-    {{cpp_class}}* imp = {{v8_class}}::toNative(holder);
-    if (!BindingSecurity::shouldAllowAccessToFrame(info.GetIsolate(), imp->frame(), DoNotReportSecurityError)) {
+    {{cpp_class}}* impl = {{v8_class}}::toNative(holder);
+    if (!BindingSecurity::shouldAllowAccessToFrame(info.GetIsolate(), impl->frame(), DoNotReportSecurityError)) {
         static int sharedTemplateKey; // This address is used for a key to look up the dom template.
         v8::Handle<v8::FunctionTemplate> sharedTemplate = data->domTemplate(&sharedTemplateKey, {{cpp_class}}V8Internal::{{method.name}}MethodCallback{{world_suffix}}, v8Undefined(), {{signature}}, {{method.number_of_required_or_variadic_arguments}});
         v8SetReturnValue(info, sharedTemplate->GetFunction());
         return;
     }
 
     v8::Local<v8::Value> hiddenValue = info.This()->GetHiddenValue(v8AtomicString(info.GetIsolate(), "{{method.name}}"));
     if (!hiddenValue.IsEmpty()) {
         v8SetReturnValue(info, hiddenValue);
         return;
@@ skipping 90 matching lines @@
     v8::Handle<v8::Object> wrapper = info.Holder();
     {% if is_constructor_raises_exception %}
     if (exceptionState.throwIfNeeded())
         return;
     {% endif %}
 
     V8DOMWrapper::associateObjectWithWrapper<{{v8_class}}>(impl.release(), &{{v8_class}}Constructor::wrapperTypeInfo, wrapper, info.GetIsolate(), WrapperConfiguration::Dependent);
     v8SetReturnValue(info, wrapper);
 }
 {% endmacro %}