Rename PageLifecycleObserver to PageVisibilityObserver

third_party/WebKit/Source/modules/nfc/NFC.h

 // 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.
 
 #ifndef NFC_h
 #define NFC_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "bindings/modules/v8/StringOrArrayBufferOrNFCMessage.h"
 #include "core/dom/ContextLifecycleObserver.h"
-#include "core/page/PageLifecycleObserver.h"
+#include "core/page/PageVisibilityObserver.h"
 #include "device/nfc/nfc.mojom-blink.h"
 #include "mojo/public/cpp/bindings/binding.h"
 
 namespace blink {
 
 class MessageCallback;
 class NFCError;
 class NFCPushOptions;
 using NFCPushMessage = StringOrArrayBufferOrNFCMessage;
 class NFCWatchOptions;
 class ServiceRegistry;
 
 class NFC final
     : public GarbageCollectedFinalized<NFC>
     , public ScriptWrappable
-    , public PageLifecycleObserver
+    , public PageVisibilityObserver
     , public ContextLifecycleObserver
     , public device::nfc::blink::NFCClient {
     DEFINE_WRAPPERTYPEINFO();
     USING_GARBAGE_COLLECTED_MIXIN(NFC);
     USING_PRE_FINALIZER(NFC, dispose);
 
 public:
     static NFC* create(LocalFrame*);
 
     virtual ~NFC();
@@ skipping 11 matching lines @@
 
     // Starts watching for NFC messages that match NFCWatchOptions criteria.
     ScriptPromise watch(ScriptState*, MessageCallback*, const NFCWatchOptions&);
 
     // Cancels watch operation with id.
     ScriptPromise cancelWatch(ScriptState*, long id);
 
     // Cancels all watch operations.
     ScriptPromise cancelWatch(ScriptState*);
 
-    // Implementation of PageLifecycleObserver.
+    // Implementation of PageVisibilityObserver.
     void pageVisibilityChanged() override;
 
     // Interface required by garbage collection.
     DECLARE_VIRTUAL_TRACE();
 
 private:
     void OnRequestCompleted(ScriptPromiseResolver*, device::nfc::blink::NFCErrorPtr);
     void OnConnectionError();
 
     // device::nfc::blink::NFCClient implementation.
     void OnWatch(mojo::WTFArray<uint32_t> ids, device::nfc::blink::NFCMessagePtr) override;
 
 private:
     explicit NFC(LocalFrame*);
     device::nfc::blink::NFCPtr m_nfc;
     mojo::Binding<device::nfc::blink::NFCClient> m_client;
     HeapHashSet<Member<ScriptPromiseResolver>> m_requests;
 };
 
 } // namespace blink
 
 #endif // NFC_h