Introduce WebRemoteFrameBase to break dependencies on WebRemoteFrameImpl.

third_party/WebKit/Source/core/frame/WebRemoteFrameBase.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

[sashab, 2017/05/15 01:59:48]

Remove #ifndef WebViewBase_h

+
+#ifndef WebRemoteFrameBase_h
+#define WebRemoteFrameBase_h
+
+#include "core/CoreExport.h"
+#include "public/web/WebRemoteFrame.h"
+
+namespace blink {
+
+class FrameOwner;
+class Page;
+class RemoteFrame;
+
+class WebRemoteFrameBase : public GarbageCollectedFinalized<WebRemoteFrameBase>,
+                           public WebRemoteFrame {
+ public:
+  CORE_EXPORT static WebRemoteFrameBase* FromFrame(RemoteFrame&);
+
+  virtual void InitializeCoreFrame(Page&,
+                                   FrameOwner*,
+                                   const AtomicString& name) = 0;
+  virtual RemoteFrame* GetFrame() const = 0;
+
+  DEFINE_INLINE_VIRTUAL_TRACE() {}
+
+ protected:
+  explicit WebRemoteFrameBase(WebTreeScopeType scope) : WebRemoteFrame(scope) {}
+};
+
+DEFINE_TYPE_CASTS(WebRemoteFrameBase,
+                  WebFrame,
+                  frame,
+                  frame->IsWebRemoteFrame(),
+                  frame.IsWebRemoteFrame());
+}  // namespace blink
+
+#endif  // WebRemoteFrameBase_h