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 f524896b2a2dc09cfcaf91744335f5becf7f6287..2a842b6d2e83db1a1c140430a1a5193afe48dfe8 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"
@@ -226,6 +227,7 @@ using blink::WebDragData;
 using blink::WebDragOperation;
 using blink::WebDragOperationsMask;
 using blink::WebElement;
+using blink::WebFocusType;
 using blink::WebFileChooserCompletion;
 using blink::WebFindOptions;
 using blink::WebFormControlElement;
@@ -1262,6 +1264,8 @@ bool RenderViewImpl::OnMessageReceived(const IPC::Message& message) {
                         OnScrollFocusedEditableNodeIntoRect)
     IPC_MESSAGE_HANDLER(InputMsg_SetEditCommandsForNextKeyEvent,
                         OnSetEditCommandsForNextKeyEvent)
+    IPC_MESSAGE_HANDLER(InputMsg_AdvanceFocusToNextInputField,
+                        OnAdvanceFocusToNextInputField)
     IPC_MESSAGE_HANDLER(ViewMsg_CopyImageAt, OnCopyImageAt)
     IPC_MESSAGE_HANDLER(ViewMsg_SaveImageAt, OnSaveImageAt)
     IPC_MESSAGE_HANDLER(ViewMsg_Find, OnFind)
@@ -1423,6 +1427,16 @@ void RenderViewImpl::OnSetHistoryOffsetAndLength(int history_offset,
   history_list_length_ = history_length;
 }
 
+void RenderViewImpl::OnAdvanceFocusToNextInputField(bool forward) {
+  if (!webview())
+    return;
+
+  WebFocusType focusType = blink::WebFocusTypeForward;
+  if (forward == false)
+    focusType = blink::WebFocusTypeBackward;
+  webview()->advanceFocusToNextInputField(focusType);
+}
+
 void RenderViewImpl::OnSetInitialFocus(bool reverse) {
   if (!webview())
     return;