Migrate WTF::HashMap::remove() to ::erase()

third_party/WebKit/Source/modules/indexeddb/IDBObjectStore.cpp

Index: third_party/WebKit/Source/modules/indexeddb/IDBObjectStore.cpp
diff --git a/third_party/WebKit/Source/modules/indexeddb/IDBObjectStore.cpp b/third_party/WebKit/Source/modules/indexeddb/IDBObjectStore.cpp
index 34ff64c5ba89440f5749693ef14f883c79ab547d..eb6d1fd58abfb01b6967fa102ccc47930a4e400c 100644
--- a/third_party/WebKit/Source/modules/indexeddb/IDBObjectStore.cpp
+++ b/third_party/WebKit/Source/modules/indexeddb/IDBObjectStore.cpp
@@ -846,12 +846,12 @@ void IDBObjectStore::deleteIndex(const String& name,
 
   backendDB()->deleteIndex(m_transaction->id(), id(), indexId);
 
-  m_metadata->indexes.remove(indexId);
+  m_metadata->indexes.erase(indexId);
   IDBIndexMap::iterator it = m_indexMap.find(name);
   if (it != m_indexMap.end()) {
     m_transaction->indexDeleted(it->value);
     it->value->markDeleted();
-    m_indexMap.remove(name);
+    m_indexMap.erase(name);
   }
 }