Rename PageLifecycleObserver to PageVisibilityObserver

third_party/WebKit/Source/core/page/PageLifecycleObserver.h

Index: third_party/WebKit/Source/core/page/PageLifecycleObserver.h
diff --git a/third_party/WebKit/Source/core/page/PageLifecycleObserver.h b/third_party/WebKit/Source/core/page/PageLifecycleObserver.h
deleted file mode 100644
index 9c9cb4cc2b5721fceacde40ef494df56d9c621e3..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/page/PageLifecycleObserver.h
+++ /dev/null
@@ -1,54 +0,0 @@
-
-/*
- * Copyright (C) 2013 Google Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef PageLifecycleObserver_h
-#define PageLifecycleObserver_h
-
-#include "core/CoreExport.h"
-#include "core/page/Page.h"
-#include "platform/LifecycleObserver.h"
-
-namespace blink {
-
-class LocalFrame;
-
-class CORE_EXPORT PageLifecycleObserver : public LifecycleObserver<Page, PageLifecycleObserver> {
-public:
-    virtual void pageVisibilityChanged() { }
-
-    Page* page() const { return lifecycleContext(); }
-
-protected:
-    explicit PageLifecycleObserver(Page* page)
-        : LifecycleObserver(page)
-    {
-    }
-
-};
-
-} // namespace blink
-
-#endif // PageLifecycleObserver_h