[Origin Trials] Install origin trial bindings on V8 context conditionally

third_party/WebKit/Source/bindings/modules/v8/ModuleBindingsInitializer.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.
 
 #include "bindings/modules/v8/ModuleBindingsInitializer.h"
 
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8PerIsolateData.h"
 #include "bindings/modules/v8/SerializedScriptValueForModulesFactory.h"
 #include "bindings/modules/v8/V8BindingForModules.h"
 
 namespace blink {
 
 // initPartialInterfacesInModules is generated by
 // generate_init_partial_interfaces.py.
 void initPartialInterfacesInModules();
 
 void ModuleBindingsInitializer::init()
 {
     registerToExecutionContextForModules(toExecutionContextForModules);
+    registerInstallOriginTrialsForModules();
     initPartialInterfacesInModules();
     SerializedScriptValueFactory::initialize(new SerializedScriptValueForModulesFactory);
 }
 
 } // namespace blink