[Android] Adding Smart GO/NEXT feature in Chrome

third_party/WebKit/Source/web/WebRemoteFrameImpl.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 WebRemoteFrameImpl_h
 #define WebRemoteFrameImpl_h
 
 #include "core/frame/RemoteFrame.h"
 #include "platform/heap/SelfKeepAlive.h"
 #include "platform/wtf/Compiler.h"
@@ skipping 136 matching lines @@
   void resetReplicatedContentSecurityPolicy() override;
   void setReplicatedInsecureRequestPolicy(WebInsecureRequestPolicy) override;
   void setReplicatedPotentiallyTrustworthyUniqueOrigin(bool) override;
   void dispatchLoadEventOnFrameOwner() override;
   void didStartLoading() override;
   void didStopLoading() override;
   bool isIgnoredForHitTest() const override;
   void willEnterFullscreen() override;
   void setHasReceivedUserGesture() override;
   v8::Local<v8::Object> globalProxy() const override;
+  void advanceFocusInForm(WebFocusType) override;

[EhsanK, 2017/04/26 21:31:59]

I am not sure why we need this. From here:
RenderFrameImpl can only have a WebLocalFrame. Besides, I don't think the
corresponding IPC is ever sent to a RenderFrameProxy.

I believe this method needs to live in WebLocalFrame only (not in WebFrame).

[AKVT, 2017/04/27 15:07:02]

Done.

 
   DECLARE_TRACE();
 
  private:
   WebRemoteFrameImpl(WebTreeScopeType, WebRemoteFrameClient*);
 
   // Inherited from WebFrame, but intentionally hidden: it never makes sense
   // to call these on a WebRemoteFrameImpl.
   bool isWebLocalFrame() const override;
   WebLocalFrame* toWebLocalFrame() override;
@@ skipping 12 matching lines @@
 
 DEFINE_TYPE_CASTS(WebRemoteFrameImpl,
                   WebFrame,
                   frame,
                   frame->isWebRemoteFrame(),
                   frame.isWebRemoteFrame());
 
 }  // namespace blink
 
 #endif  // WebRemoteFrameImpl_h