[Android] Adding Smart GO/NEXT feature in Chrome

third_party/WebKit/public/web/WebFrame.h

Index: third_party/WebKit/public/web/WebFrame.h
diff --git a/third_party/WebKit/public/web/WebFrame.h b/third_party/WebKit/public/web/WebFrame.h
index 1be0587e0a5a6182400299102705af18891eca38..52915ce4d77896f1ab36beda87c97ad0c4298559 100644
--- a/third_party/WebKit/public/web/WebFrame.h
+++ b/third_party/WebKit/public/web/WebFrame.h
@@ -31,6 +31,7 @@
 #ifndef WebFrame_h
 #define WebFrame_h
 
+#include "../platform/WebFocusType.h"
 #include "WebIconURL.h"
 #include "WebNode.h"
 #include "public/platform/WebCanvas.h"
@@ -420,6 +421,13 @@ class WebFrame {
     return const_cast<WebFrame*>(this)->toImplBase();
   }
 
+  // Advance the focus of the WebView to next text input element from current
+  // input field wrt sequential navigation with TAB or Shift + TAB
+  // WebFocusTypeForward simulates TAB and WebFocusTypeBackward simulates
+  // Shift + TAB. (Will be extended to other form Controls like Select element
+  // , Checkbox, Radio etc.)
+  virtual void advanceFocusInForm(WebFocusType) = 0;

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

I suggest removing this to WebLocalFrame. I don't think it makes much sense to
have the WebRemoteFrame version of the method. Besides, you only send the IPC to
RenderFrameImpl so the WebFrame variant never really gets called anyway.

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

Done.

+
   // Returns the frame inside a given frame or iframe element. Returns 0 if
   // the given element is not a frame, iframe or if the frame is empty.
   BLINK_EXPORT static WebFrame* fromFrameOwnerElement(const WebElement&);