Implement sequential focus navigation for OOPIF.

third_party/WebKit/Source/core/frame/RemoteFrame.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/frame/RemoteFrame.h"
 
 #include "bindings/core/v8/WindowProxy.h"
 #include "bindings/core/v8/WindowProxyManager.h"
 #include "core/dom/RemoteSecurityContext.h"
+#include "core/frame/LocalFrame.h"
 #include "core/frame/RemoteDOMWindow.h"
 #include "core/frame/RemoteFrameClient.h"
 #include "core/frame/RemoteFrameView.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 #include "core/layout/LayoutPart.h"
 #include "core/loader/FrameLoadRequest.h"
 #include "core/paint/PaintLayer.h"
 #include "platform/PluginScriptForbiddenScope.h"
 #include "platform/UserGestureIndicator.h"
 #include "platform/graphics/GraphicsLayer.h"
@@ skipping 151 matching lines @@
     if (m_remotePlatformLayer)
         GraphicsLayer::unregisterContentsLayer(m_remotePlatformLayer);
     m_remotePlatformLayer = layer;
     if (m_remotePlatformLayer)
         GraphicsLayer::registerContentsLayer(layer);
 
     ASSERT(owner());
     toHTMLFrameOwnerElement(owner())->setNeedsCompositingUpdate();
 }
 
+void RemoteFrame::advanceFocus(WebFocusType type, LocalFrame* source)
+{
+    remoteFrameClient()->advanceFocus(type, source);
+}
+
 } // namespace blink