Migrate WTF::Vector::append() to ::push_back() [part 6 of N]

third_party/WebKit/Source/core/fetch/MemoryCache.cpp

Index: third_party/WebKit/Source/core/fetch/MemoryCache.cpp
diff --git a/third_party/WebKit/Source/core/fetch/MemoryCache.cpp b/third_party/WebKit/Source/core/fetch/MemoryCache.cpp
index d8af6d6b70d50b086ce426fd84a0ab9bc82915f3..64da484782606e9314456d86d2091321a8ead9e8 100644
--- a/third_party/WebKit/Source/core/fetch/MemoryCache.cpp
+++ b/third_party/WebKit/Source/core/fetch/MemoryCache.cpp
@@ -232,7 +232,7 @@ HeapVector<Member<Resource>> MemoryCache::resourcesForURL(
     if (MemoryCacheEntry* entry = resourceMapIter.value->get(url)) {
       Resource* resource = entry->resource();
       DCHECK(resource);
-      results.append(resource);
+      results.push_back(resource);
     }
   }
   return results;
@@ -342,7 +342,7 @@ void MemoryCache::evictResources(EvictResourcePolicy policy) {
         // Store unused preloads aside, so they could be added back later.
         // That is in order to avoid the performance impact of iterating over
         // the same resource multiple times.
-        unusedPreloads.append(resourceIter->value.get());
+        unusedPreloads.push_back(resourceIter->value.get());
       }
       removeInternal(resources, resourceIter);
     }