Delay instantiating InputDeviceCapabilities until accessed.

third_party/WebKit/Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 2828 matching lines @@
   page()->focusController().advanceFocus(reverse ? WebFocusTypeBackward
                                                  : WebFocusTypeForward);
 }
 
 void WebViewImpl::advanceFocusAcrossFrames(WebFocusType type,
                                            WebRemoteFrame* from,
                                            WebLocalFrame* to) {
   // TODO(alexmos): Pass in proper with sourceCapabilities.
   page()->focusController().advanceFocusAcrossFrames(
       type, toWebRemoteFrameImpl(from)->frame(),
-      toWebLocalFrameImpl(to)->frame());
+      toWebLocalFrameImpl(to)->frame(), InputDeviceCapabilities::Null);
 }
 
 double WebViewImpl::zoomLevel() {
   return m_zoomLevel;
 }
 
 void WebViewImpl::propagateZoomFactorToLocalFrameRoots(Frame* frame,
                                                        float zoomFactor) {
   if (frame->isLocalRoot()) {
     LocalFrame* localFrame = toLocalFrame(frame);
@@ skipping 1306 matching lines @@
   if (focusedFrame->localFrameRoot() != mainFrameImpl()->frame())
     return nullptr;
   return focusedFrame;
 }
 
 LocalFrame* WebViewImpl::focusedLocalFrameAvailableForIme() const {
   return m_imeAcceptEvents ? focusedLocalFrameInWidget() : nullptr;
 }
 
 }  // namespace blink