First version of PerformanceObserver

Source/core/timing/PerformanceObserverCallback.h

 /*
- * Copyright (C) 2011 Google Inc. All rights reserved.
+ * Copyright (C) 2015 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * 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.
  *     * Neither the name of Google Inc. nor the names of its
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "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 THE COPYRIGHT
  * OWNER 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 MutationCallback_h
-#define MutationCallback_h
+#ifndef PerformanceObserverCallback_h
+#define PerformanceObserverCallback_h
 
 #include "platform/heap/Handle.h"
 #include "wtf/RefPtr.h"
-#include "wtf/Vector.h"
 
 namespace blink {
 
-class MutationRecord;
-class MutationObserver;
+class ExecutionContext;
+class PerformanceObserverEntryList;
+class PerformanceObserver;
 
-class MutationCallback : public NoBaseWillBeGarbageCollectedFinalized<MutationCallback> {
+class PerformanceObserverCallback : public GarbageCollectedFinalized<PerformanceObserverCallback> {
 public:
-    virtual ~MutationCallback() { }
+    virtual ~PerformanceObserverCallback() { }
 
-    virtual void call(const WillBeHeapVector<RefPtrWillBeMember<MutationRecord>>&, MutationObserver*) = 0;
+    virtual void handleEvent(PerformanceObserverEntryList*, PerformanceObserver*) = 0;
     virtual ExecutionContext* executionContext() const = 0;
 
     DEFINE_INLINE_VIRTUAL_TRACE() { }
 };
 
 }
 
-#endif // MutationCallback_h
+#endif // PerformanceObserverCallback_h