Move WebFrameWidgetBase to core/frame/.

third_party/WebKit/Source/core/frame/WebLocalFrameBase.h

 // Copyright 2017 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.#ifndef WebViewBase_h
 
 #ifndef WebLocalFrameBase_h
 #define WebLocalFrameBase_h
 
 #include "core/CoreExport.h"
+#include "core/frame/WebFrameWidgetBase.h"
 #include "public/web/WebLocalFrame.h"
 
 namespace blink {
 
 class FrameOwner;
 class FrameView;
 class LocalFrame;
 class Node;
 class Page;
 class TextFinder;
@@ skipping 22 matching lines @@
   virtual void SetClient(WebFrameClient*) = 0;
   virtual WebTextCheckClient* TextCheckClient() const = 0;
   virtual void SetContextMenuNode(Node*) = 0;
   virtual void ClearContextMenuNode() = 0;
   virtual LocalFrame* GetFrame() const = 0;
   virtual FrameView* GetFrameView() const = 0;
   virtual void InitializeCoreFrame(Page&,
                                    FrameOwner*,
                                    const AtomicString& name) = 0;
   virtual TextFinder& EnsureTextFinder() = 0;
+  virtual WebFrameWidgetBase* FrameWidget() const = 0;
   virtual void SetFrameWidget(WebFrameWidgetBase*) = 0;
   virtual WebDevToolsAgentImpl* DevToolsAgentImpl() const = 0;
 
   DEFINE_INLINE_VIRTUAL_TRACE() {}
 
  protected:
   explicit WebLocalFrameBase(WebTreeScopeType scope) : WebLocalFrame(scope) {}
 };
 
 DEFINE_TYPE_CASTS(WebLocalFrameBase,
                   WebFrame,
                   frame,
                   frame->IsWebLocalFrame(),
                   frame.IsWebLocalFrame());
 
 }  // namespace blink
 
 #endif  // WebLocalFrameBase_h