Migrate WTF::Vector::append() to ::push_back() [part 11 of N]

third_party/WebKit/Source/core/page/NetworkStateNotifier.cpp

Index: third_party/WebKit/Source/core/page/NetworkStateNotifier.cpp
diff --git a/third_party/WebKit/Source/core/page/NetworkStateNotifier.cpp b/third_party/WebKit/Source/core/page/NetworkStateNotifier.cpp
index 431e10504fb87cce4a154ee85f86c99d48324926..3ceaaccce04e8263973b73ff46f6fe777f853d35 100644
--- a/third_party/WebKit/Source/core/page/NetworkStateNotifier.cpp
+++ b/third_party/WebKit/Source/core/page/NetworkStateNotifier.cpp
@@ -96,7 +96,7 @@ void NetworkStateNotifier::addObserver(NetworkStateObserver* observer,
     result.storedValue->value = WTF::wrapUnique(new ObserverList);
 
   ASSERT(result.storedValue->value->observers.find(observer) == kNotFound);
-  result.storedValue->value->observers.append(observer);
+  result.storedValue->value->observers.push_back(observer);
 }
 
 void NetworkStateNotifier::removeObserver(NetworkStateObserver* observer,
@@ -112,7 +112,7 @@ void NetworkStateNotifier::removeObserver(NetworkStateObserver* observer,
   size_t index = observers.find(observer);
   if (index != kNotFound) {
     observers[index] = 0;
-    observerList->zeroedObservers.append(index);
+    observerList->zeroedObservers.push_back(index);
   }
 
   if (!observerList->iterating && !observerList->zeroedObservers.isEmpty())