Adding support for Smart GO NEXT feature in Android Chrome

public/web/WebView.h

Index: public/web/WebView.h
diff --git a/public/web/WebView.h b/public/web/WebView.h
index 8ff848729fcba8a3c6966909e126833277645d45..33967a6357fa684162240cef8ba88cfa2d66a631 100644
--- a/public/web/WebView.h
+++ b/public/web/WebView.h
@@ -184,6 +184,10 @@ public:
     // window space.
     virtual void scrollFocusedNodeIntoRect(const WebRect&) { }
 
+    // Advance the focus of the WebView to next text input element from current
+    // by following the direction (forward/backward).
+    virtual void advanceFocusToNextInputField(bool direction) { }

[bcwhite, 2015/02/24 17:06:23]

"direction" doesn't clearly define which matches "true" and which matches
"false".  Perhaps "forward" or "backward"?

[yosin_UTC9, 2015/02/25 01:25:36]

Please considering use |WebFocusType| enum for representing direction related to
focus.

[AKV, 2015/04/08 18:38:12]

Done. Thanks

[AKV, 2015/04/08 18:38:12]

Done. Thanks

+
     // Advance the focus of the WebView forward to the next element or to the
     // previous element in the tab sequence (if reverse is true).
     virtual void advanceFocus(bool reverse) { }