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

third_party/WebKit/Source/core/dom/ResizeObserver.cpp

Index: third_party/WebKit/Source/core/dom/ResizeObserver.cpp
diff --git a/third_party/WebKit/Source/core/dom/ResizeObserver.cpp b/third_party/WebKit/Source/core/dom/ResizeObserver.cpp
index 1fc0d3117004adb5f59b3b78d78669074ca73e3c..0269d1e472ad08279357550b0323582e2362aee1 100644
--- a/third_party/WebKit/Source/core/dom/ResizeObserver.cpp
+++ b/third_party/WebKit/Source/core/dom/ResizeObserver.cpp
@@ -58,7 +58,7 @@ void ResizeObserver::disconnect() {
   for (auto& observation : observations) {
     Element* target = (*observation).target();
     if (target)
-      target->ensureResizeObserverData().remove(this);
+      target->ensureResizeObserverData().erase(this);
   }
   clearObservations();
 }