[Android] Adding Smart GO/NEXT feature in Chrome

third_party/WebKit/Source/web/WebLocalFrameImpl.cpp

Index: third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp b/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
index 3fd94369096424bff50b582ab74c1e7b3eeaa6f4..65888dce7179abc8b6edf61bb498df2d3aef4b43 100644
--- a/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
+++ b/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
@@ -2522,6 +2522,24 @@ void WebLocalFrameImpl::extractSmartClipData(WebRect rectInViewport,
   }
 }
 
+void WebLocalFrameImpl::advanceFocusInForm(WebFocusType focusType) {
+  if (!frame()->document())
+    return;
+
+  Element* element = frame()->document()->focusedElement();
+  if (!element)
+    return;
+
+  Element* nextElement =
+      frame()->inputMethodController().nextFocusableElementInForm(
+          element, focusType);
+  if (!nextElement)
+    return;
+
+  nextElement->scrollIntoViewIfNeeded(true /*centerIfNeeded*/);
+  nextElement->focus();
+}
+
 TextCheckerClient& WebLocalFrameImpl::textCheckerClient() const {
   return *m_textCheckerClient;
 }