Ensure that the OSK on Windows 8 shows up when we tap on an editable field in any WebContents.

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
===================================================================
--- content/renderer/render_view_impl.cc	(revision 237621)
+++ content/renderer/render_view_impl.cc	(working copy)
@@ -3097,8 +3097,15 @@
     const WebGestureEvent& event,
     bool event_cancelled) {
   RenderWidget::didHandleGestureEvent(event, event_cancelled);
-  FOR_EACH_OBSERVER(RenderViewObserver, observers_,
-                    DidHandleGestureEvent(event));
+
+  if (event.type != blink::WebGestureEvent::GestureTap)
+    return;
+
+  blink::WebTextInputType text_input_type =
+      GetWebView()->textInputInfo().type;
+
+  Send(new ViewHostMsg_FocusedNodeTouched(
+      routing_id(), text_input_type != blink::WebTextInputTypeNone));
 }
 
 void RenderViewImpl::initializeLayerTreeView() {