Remove 'V8' prefix from generated callback function classes

third_party/WebKit/Source/core/timing/PerformanceObserver.cpp

Index: third_party/WebKit/Source/core/timing/PerformanceObserver.cpp
diff --git a/third_party/WebKit/Source/core/timing/PerformanceObserver.cpp b/third_party/WebKit/Source/core/timing/PerformanceObserver.cpp
index 9b27808557f6b7415c844669c015d02a62326073..8ff8102fd24a824e2324c27c2794e73c0fb15f31 100644
--- a/third_party/WebKit/Source/core/timing/PerformanceObserver.cpp
+++ b/third_party/WebKit/Source/core/timing/PerformanceObserver.cpp
@@ -5,7 +5,7 @@
 #include "core/timing/PerformanceObserver.h"
 
 #include "bindings/core/v8/ExceptionState.h"
-#include "bindings/core/v8/V8PerformanceObserverCallback.h"
+#include "bindings/core/v8/PerformanceObserverCallback.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/timing/PerformanceBase.h"
 #include "core/timing/PerformanceEntry.h"
@@ -19,15 +19,14 @@ namespace blink {
 PerformanceObserver* PerformanceObserver::create(
     ScriptState* scriptState,
     PerformanceBase* performance,
-    V8PerformanceObserverCallback* callback) {
+    PerformanceObserverCallback* callback) {
   ASSERT(isMainThread());
   return new PerformanceObserver(scriptState, performance, callback);
 }
 
-PerformanceObserver::PerformanceObserver(
-    ScriptState* scriptState,
-    PerformanceBase* performance,
-    V8PerformanceObserverCallback* callback)
+PerformanceObserver::PerformanceObserver(ScriptState* scriptState,
+                                         PerformanceBase* performance,
+                                         PerformanceObserverCallback* callback)
     : m_scriptState(scriptState),
       m_callback(callback),
       m_performance(performance),