Revert of Require WebLocalFrame to be created with a non-null client

third_party/WebKit/Source/web/WebFrameClient.cpp

Index: third_party/WebKit/Source/web/WebFrameClient.cpp
diff --git a/third_party/WebKit/Source/web/WebFrameClient.cpp b/third_party/WebKit/Source/web/WebFrameClient.cpp
deleted file mode 100644
index 93ce5eba6d21f17d6acda126d3d6870656c7ff1f..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/web/WebFrameClient.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "public/web/WebFrameClient.h"
-
-#include "public/web/WebFrameWidget.h"
-#include "public/web/WebLocalFrame.h"
-
-namespace blink {
-
-void WebFrameClient::frameDetached(WebLocalFrame* frame, DetachType type)
-{
-    if (type == DetachType::Remove && frame->parent())
-        frame->parent()->removeChild(frame);
-
-    if (frame->frameWidget())
-        frame->frameWidget()->close();
-
-    frame->close();
-}
-
-} // namespace blink