Remove the Vector::append overload that takes a Vector

Source/core/timing/PerformanceUserTiming.cpp

Index: Source/core/timing/PerformanceUserTiming.cpp
diff --git a/Source/core/timing/PerformanceUserTiming.cpp b/Source/core/timing/PerformanceUserTiming.cpp
index a5a4d643da6917f30d3b0e94e939d8f30672d5e7..2e4c3313a2ee15851720b69db2fb7b1955c1344b 100644
--- a/Source/core/timing/PerformanceUserTiming.cpp
+++ b/Source/core/timing/PerformanceUserTiming.cpp
@@ -171,7 +171,7 @@ static PerformanceEntryVector convertToEntrySequence(const PerformanceEntryMap&
     PerformanceEntryVector entries;
 
     for (PerformanceEntryMap::const_iterator it = performanceEntryMap.begin(); it != performanceEntryMap.end(); ++it)
-        entries.append(it->value);
+        entries.appendVector(it->value);
 
     return entries;
 }
@@ -182,7 +182,7 @@ static PerformanceEntryVector getEntrySequenceByName(const PerformanceEntryMap&
 
     PerformanceEntryMap::const_iterator it = performanceEntryMap.find(name);
     if (it != performanceEntryMap.end())
-        entries.append(it->value);
+        entries.appendVector(it->value);
 
     return entries;
 }