Browser should get notified if a views textfield changes focus. In addition,

views/view.cc

Index: views/view.cc
diff --git a/views/view.cc b/views/view.cc
index 87e1ebade38228844c4e8a9def7436dd6de18cec..d220ea9e457515b552b5523238c77cdb5c7d403b 100644
--- a/views/view.cc
+++ b/views/view.cc
@@ -1487,6 +1487,10 @@ ThemeProvider* View::GetThemeProvider() const {
   return widget ? widget->GetThemeProvider() : NULL;
 }
 
+View::VirtualKeyboardType View::GetVirtualKeyboardType() {
+  return NO_KEYBOARD;
+}
+
 // static
 void View::RegisterChildrenForVisibleBoundsNotification(
     RootView* root, View* view) {