[Android] Adding Smart GO/NEXT feature in Chrome

third_party/WebKit/public/web/WebLocalFrame.h

Index: third_party/WebKit/public/web/WebLocalFrame.h
diff --git a/third_party/WebKit/public/web/WebLocalFrame.h b/third_party/WebKit/public/web/WebLocalFrame.h
index cdf3ab5c5a8323c8e1a8deefa86d42f96438e67b..c742d601f74817bb1a9cc3b438f41ef449729bec 100644
--- a/third_party/WebKit/public/web/WebLocalFrame.h
+++ b/third_party/WebKit/public/web/WebLocalFrame.h
@@ -11,6 +11,7 @@
 #include "WebFrameLoadType.h"
 #include "WebHistoryItem.h"
 #include "public/platform/WebCachePolicy.h"
+#include "public/platform/WebFocusType.h"
 #include "public/platform/WebURLError.h"
 #include "public/platform/WebURLRequest.h"
 #include "public/platform/site_engagement.mojom-shared.h"
@@ -558,6 +559,13 @@ class WebLocalFrame : public WebFrame {
   // frame is attached to a document.
   virtual std::unique_ptr<WebURLLoader> CreateURLLoader() = 0;
 
+  // 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;
+
  protected:
   explicit WebLocalFrame(WebTreeScopeType scope) : WebFrame(scope) {}