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

Source/core/dom/SimpleLifecycleObserver.h

Index: Source/core/dom/SimpleLifecycleObserver.h
diff --git a/Source/core/dom/ContextLifecycleObserver.h b/Source/core/dom/SimpleLifecycleObserver.h
similarity index 73%
copy from Source/core/dom/ContextLifecycleObserver.h
copy to Source/core/dom/SimpleLifecycleObserver.h
index 574455e861a357cf4f33514367aaf69b3657d5a9..d519256ed5bb77991b0bcfcd709e0b9851c2d681 100644
--- a/Source/core/dom/ContextLifecycleObserver.h
+++ b/Source/core/dom/SimpleLifecycleObserver.h
@@ -24,33 +24,36 @@
  *
  */
 
-#ifndef ContextLifecycleObserver_h
-#define ContextLifecycleObserver_h
+#ifndef SimpleLifecycleObserver_h
+#define SimpleLifecycleObserver_h
 
 namespace WebCore {
 
-class ScriptExecutionContext;
+class SimpleLifecycleContext;
 
-class ContextLifecycleObserver {
+class SimpleLifecycleObserver {
 public:
     enum Type {
         ActiveDOMObjectType,
         DocumentLifecycleObserverType,
-        GenericType
+        GenericType,
+        PageLifecycleObserverType
     };
 
-    explicit ContextLifecycleObserver(ScriptExecutionContext*, Type = GenericType);
+    explicit SimpleLifecycleObserver(SimpleLifecycleContext*, Type = GenericType);
+
     virtual void contextDestroyed();
 
-    ScriptExecutionContext* scriptExecutionContext() const { return m_scriptExecutionContext; }
+    SimpleLifecycleContext* simpleLifecycleContext() const { return m_simpleLifecycleContext; }
 
 protected:
-    virtual ~ContextLifecycleObserver();
-    void observeContext(ScriptExecutionContext*, Type);
+    virtual ~SimpleLifecycleObserver();
+
+    void observeContext(SimpleLifecycleContext*, Type);
 
-    ScriptExecutionContext* m_scriptExecutionContext;
+    SimpleLifecycleContext* m_simpleLifecycleContext;
 };
 
 } // namespace WebCore
 
-#endif // ContextLifecycleObserver_h
+#endif // SimpleLifecycleObserver_h