[Refactor] Update template files for callback functions

third_party/WebKit/Source/bindings/tests/results/modules/VoidCallbackFunctionModules.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file has been auto-generated by code_generator_v8.py.
 // DO NOT MODIFY!
 
 // This file has been generated from the Jinja2 template in
 // third_party/WebKit/Source/bindings/templates/callback_function.cpp.tmpl
 
 // clang-format off
 
 #include "VoidCallbackFunctionModules.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/ToV8.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "core/dom/ExecutionContext.h"
 #include "wtf/Assertions.h"
 
 namespace blink {
 
 // static
-VoidCallbackFunctionModules* VoidCallbackFunctionModules::create(ScriptState* scriptState, v8::Local<v8::Value> callback){
+VoidCallbackFunctionModules* VoidCallbackFunctionModules::create(ScriptState* scriptState, v8::Local<v8::Value> callback) {
   if (isUndefinedOrNull(callback))
     return nullptr;
   return new VoidCallbackFunctionModules(scriptState, v8::Local<v8::Function>::Cast(callback));
 }
 
 VoidCallbackFunctionModules::VoidCallbackFunctionModules(ScriptState* scriptState, v8::Local<v8::Function> callback)
     : m_scriptState(scriptState),
     m_callback(scriptState->isolate(), this, callback) {
   DCHECK(!m_callback.isEmpty());
 }
 
-DEFINE_TRACE(VoidCallbackFunctionModules) {}
-
 DEFINE_TRACE_WRAPPERS(VoidCallbackFunctionModules) {
   visitor->traceWrappers(m_callback.cast<v8::Value>());
 }
 
 bool VoidCallbackFunctionModules::call(ScriptWrappable* scriptWrappable) {
+  if (m_callback.isEmpty())
+    return false;
+
   if (!m_scriptState->contextIsValid())
     return false;
 
   ExecutionContext* context = m_scriptState->getExecutionContext();
   DCHECK(context);
   if (context->isContextSuspended() || context->isContextDestroyed())
     return false;
 
-  if (m_callback.isEmpty())
-    return false;
-
   // TODO(bashi): Make sure that using DummyExceptionStateForTesting is OK.
   // crbug.com/653769
   DummyExceptionStateForTesting exceptionState;
   ScriptState::Scope scope(m_scriptState.get());
+  v8::Isolate* isolate = m_scriptState->isolate();
 
-  v8::Local<v8::Value> thisValue = ToV8(scriptWrappable, m_scriptState->context()->Global(), m_scriptState->isolate());
+  v8::Local<v8::Value> thisValue = ToV8(
+      scriptWrappable,
+      m_scriptState->context()->Global(),
+      isolate);
 
   v8::Local<v8::Value> *argv = nullptr;
+  v8::TryCatch exceptionCatcher(isolate);
+  exceptionCatcher.SetVerbose(true);
 
   v8::Local<v8::Value> v8ReturnValue;
-  v8::TryCatch exceptionCatcher(m_scriptState->isolate());
-  exceptionCatcher.SetVerbose(true);
+  if (!V8ScriptRunner::callFunction(m_callback.newLocal(isolate),
+                                    context,
+                                    thisValue,
+                                    0,
+                                    argv,
+                                    isolate).ToLocal(&v8ReturnValue)) {
+    return false;
+  }
 
-  if (V8ScriptRunner::callFunction(m_callback.newLocal(m_scriptState->isolate()), m_scriptState->getExecutionContext(), thisValue, 0, argv, m_scriptState->isolate()).ToLocal(&v8ReturnValue)) {
-    return true;
-  }
-  return false;
+  return true;
 }
 
 VoidCallbackFunctionModules* NativeValueTraits<VoidCallbackFunctionModules>::nativeValue(v8::Isolate* isolate, v8::Local<v8::Value> value, ExceptionState& exceptionState) {
   return VoidCallbackFunctionModules::create(ScriptState::current(isolate), value);
 }
 
 }  // namespace blink