Implementation of Smart GO NEXT feature in Android Chrome

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 66d2c0d45daa14ace02dee5f2bdec6516e07ae3f..2a8b4f286b4064b9b16b7ba1115392b97d60c503 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -113,6 +113,7 @@
 #include "third_party/WebKit/public/platform/WebCString.h"
 #include "third_party/WebKit/public/platform/WebConnectionType.h"
 #include "third_party/WebKit/public/platform/WebDragData.h"
+#include "third_party/WebKit/public/platform/WebFocusType.h"
 #include "third_party/WebKit/public/platform/WebHTTPBody.h"
 #include "third_party/WebKit/public/platform/WebImage.h"
 #include "third_party/WebKit/public/platform/WebMessagePortChannel.h"
@@ -1285,6 +1286,7 @@ bool RenderViewImpl::OnMessageReceived(const IPC::Message& message) {
                         OnScrollFocusedEditableNodeIntoRect)
     IPC_MESSAGE_HANDLER(InputMsg_SetEditCommandsForNextKeyEvent,
                         OnSetEditCommandsForNextKeyEvent)
+    IPC_MESSAGE_HANDLER(InputMsg_AdvanceFocusInForm, OnAdvanceFocusInForm)
     IPC_MESSAGE_HANDLER(ViewMsg_CopyImageAt, OnCopyImageAt)
     IPC_MESSAGE_HANDLER(ViewMsg_SaveImageAt, OnSaveImageAt)
     IPC_MESSAGE_HANDLER(ViewMsg_Find, OnFind)
@@ -1446,6 +1448,15 @@ void RenderViewImpl::OnSetHistoryOffsetAndLength(int history_offset,
   history_list_length_ = history_length;
 }
 
+void RenderViewImpl::OnAdvanceFocusInForm(bool forward) {
+  if (!webview())
+    return;
+
+  blink::WebFocusType focus_type =
+      forward ? blink::WebFocusTypeForward : blink::WebFocusTypeBackward;
+  webview()->advanceFocusInForm(focus_type);
+}
+
 void RenderViewImpl::OnSetInitialFocus(bool reverse) {
   if (!webview())
     return;