Remove LocalFrameLifecycleObserver::willDetachFrameHost()

third_party/WebKit/Source/modules/vr/VRController.cpp

 // Copyright 2015 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 "modules/vr/VRController.h"
 
 #include "core/frame/LocalFrame.h"
 #include "modules/vr/VRGetDevicesCallback.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/mojo/MojoHelper.h"
@@ skipping 10 matching lines @@
     ASSERT(RuntimeEnabledFeatures::webVREnabled());
     Supplement<LocalFrame>::provideTo(frame, supplementName(), registry ? new VRController(frame, registry) : nullptr);
 }
 
 VRController* VRController::from(LocalFrame& frame)
 {
     return static_cast<VRController*>(Supplement<LocalFrame>::from(frame, supplementName()));
 }
 
 VRController::VRController(LocalFrame& frame, ServiceRegistry* registry)
-    : LocalFrameLifecycleObserver(&frame)
 {
     ASSERT(!m_service.is_bound());
     registry->connectToRemoteService(mojo::GetProxy(&m_service));
 }
 
 const char* VRController::supplementName()
 {
     return "VRController";
 }
 
@@ skipping 18 matching lines @@
     return pose;
 }
 
 void VRController::resetPose(unsigned index)
 {
     if (!m_service)
         return;
     m_service->ResetPose(index);
 }
 
-void VRController::willDetachFrameHost()
-{
-    // TODO(kphanee): Detach from the mojo service connection.
-}
-
 void VRController::onGetDisplays(mojo::WTFArray<device::blink::VRDisplayPtr> displays)
 {
     std::unique_ptr<VRGetDevicesCallback> callback = m_pendingGetDevicesCallbacks.takeFirst();
     if (!callback)
         return;
 
     callback->onSuccess(std::move(displays));
 }
 
 DEFINE_TRACE(VRController)
 {
     Supplement<LocalFrame>::trace(visitor);
-    LocalFrameLifecycleObserver::trace(visitor);
 }
 
 } // namespace blink