Revert of 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 2b6065d0f4ae1ffe2449f8669850fbc22a94fd7d..fac145a15f400d014649846adafb399ad177a8bb 100644
--- a/public/web/WebView.h
+++ b/public/web/WebView.h
@@ -33,7 +33,6 @@
 
 #include "../platform/WebColor.h"
 #include "../platform/WebDisplayMode.h"
-#include "../platform/WebFocusType.h"
 #include "../platform/WebPageVisibilityState.h"
 #include "../platform/WebString.h"
 #include "../platform/WebVector.h"
@@ -181,12 +180,6 @@ public:
     // Smooth scroll the root layer to |targetX|, |targetY| in |durationMs|.
     virtual void smoothScroll(int targetX, int targetY, long durationMs) { }
 
-    // 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 focusType) {}
-
     // 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) { }