Migrate WTF::Vector::append() to ::push_back() [part 10 of N]

third_party/WebKit/Source/core/loader/FrameFetchContext.cpp

Index: third_party/WebKit/Source/core/loader/FrameFetchContext.cpp
diff --git a/third_party/WebKit/Source/core/loader/FrameFetchContext.cpp b/third_party/WebKit/Source/core/loader/FrameFetchContext.cpp
index 3cd6087d775a16ae9805a2a466b9bce2f73ead2e..61c27537dc859298071f7b46fae61b22a30cea8f 100644
--- a/third_party/WebKit/Source/core/loader/FrameFetchContext.cpp
+++ b/third_party/WebKit/Source/core/loader/FrameFetchContext.cpp
@@ -564,7 +564,7 @@ void FrameFetchContext::willStartLoadingResource(
 
     if (activityLogger) {
       Vector<String> argv;
-      argv.append(Resource::resourceTypeToString(type, fetchInitiatorName));
+      argv.push_back(Resource::resourceTypeToString(type, fetchInitiatorName));
       argv.append(request.url());
       activityLogger->logEvent("blinkRequestResource", argv.size(),
                                argv.data());