Rename platform/Widget to platform/FrameViewBase in core.

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

 // Copyright 2014 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 RemoteFrameView_h
 #define RemoteFrameView_h
 
-#include "platform/Widget.h"
+#include "platform/FrameViewBase.h"
 #include "platform/geometry/IntRect.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 class RemoteFrame;
 
-class RemoteFrameView final : public Widget {
+class RemoteFrameView final : public FrameViewBase {
  public:
   static RemoteFrameView* create(RemoteFrame*);
 
   ~RemoteFrameView() override;
 
   bool isRemoteFrameView() const override { return true; }
-  void setParent(Widget*) override;
+  void setParent(FrameViewBase*) override;
 
   RemoteFrame& frame() const {
     ASSERT(m_remoteFrame);
     return *m_remoteFrame;
   }
 
   void dispose() override;
   // Override to notify remote frame that its viewport size has changed.
   void frameRectsChanged() override;
   void invalidateRect(const IntRect&) override;
@@ skipping 12 matching lines @@
   // The properties and handling of the cycle between RemoteFrame
   // and its RemoteFrameView corresponds to that between LocalFrame
   // and FrameView. Please see the FrameView::m_frame comment for
   // details.
   Member<RemoteFrame> m_remoteFrame;
 
   IntRect m_lastViewportIntersection;
 };
 
 DEFINE_TYPE_CASTS(RemoteFrameView,
-                  Widget,
-                  widget,
-                  widget->isRemoteFrameView(),
-                  widget.isRemoteFrameView());
+                  FrameViewBase,
+                  frameViewBase,
+                  frameViewBase->isRemoteFrameView(),
+                  frameViewBase.isRemoteFrameView());
 
 }  // namespace blink
 
 #endif  // RemoteFrameView_h