Extract simpler classes for observing context lifecycle and observe Page lifecycle inNavigatorVibra…

Source/core/dom/LifecycleObserver.h

Index: Source/core/dom/LifecycleObserver.h
diff --git a/Source/core/dom/ContextLifecycleObserver.h b/Source/core/dom/LifecycleObserver.h
similarity index 74%
copy from Source/core/dom/ContextLifecycleObserver.h
copy to Source/core/dom/LifecycleObserver.h
index 574455e861a357cf4f33514367aaf69b3657d5a9..5e3ca2ccc2569b82e5279590140b7f533245eade 100644
--- a/Source/core/dom/ContextLifecycleObserver.h
+++ b/Source/core/dom/LifecycleObserver.h
@@ -24,33 +24,36 @@
  *
  */
 
-#ifndef ContextLifecycleObserver_h
-#define ContextLifecycleObserver_h
+#ifndef LifecycleObserver_h
+#define LifecycleObserver_h
 
 namespace WebCore {
 
-class ScriptExecutionContext;
+class LifecycleContext;
 
-class ContextLifecycleObserver {
+class LifecycleObserver {
 public:
     enum Type {
         ActiveDOMObjectType,
         DocumentLifecycleObserverType,
-        GenericType
+        GenericType,
+        PageLifecycleObserverType
     };
 
-    explicit ContextLifecycleObserver(ScriptExecutionContext*, Type = GenericType);
+    explicit LifecycleObserver(LifecycleContext*, Type = GenericType);
+
     virtual void contextDestroyed();
 
-    ScriptExecutionContext* scriptExecutionContext() const { return m_scriptExecutionContext; }
+    LifecycleContext* lifecycleContext() const { return m_lifecycleContext; }
 
 protected:
-    virtual ~ContextLifecycleObserver();
-    void observeContext(ScriptExecutionContext*, Type);
+    virtual ~LifecycleObserver();
+
+    void observeContext(LifecycleContext*, Type);
 
-    ScriptExecutionContext* m_scriptExecutionContext;
+    LifecycleContext* m_lifecycleContext;
 };
 
 } // namespace WebCore
 
-#endif // ContextLifecycleObserver_h
+#endif // LifecycleObserver_h