Remove virtual keyboard support.

chrome/browser/chromeos/input_method/xkeyboard.cc

Index: chrome/browser/chromeos/input_method/xkeyboard.cc
diff --git a/chrome/browser/chromeos/input_method/xkeyboard.cc b/chrome/browser/chromeos/input_method/xkeyboard.cc
index ecac25640de2ef5f817ba89121595fd3781f00cb..76cfa46968836e2583313ff666554dcdd8d5e3a6 100644
--- a/chrome/browser/chromeos/input_method/xkeyboard.cc
+++ b/chrome/browser/chromeos/input_method/xkeyboard.cc
@@ -145,20 +145,11 @@ XKeyboardImpl::XKeyboardImpl(const InputMethodUtil& util)
   std::string layout;
   for (size_t i = 0; i < arraysize(kKeepRightAltInputMethods); ++i) {
     layout = util.GetKeyboardLayoutName(kKeepRightAltInputMethods[i]);
-    // The empty check is necessary since USE_VIRTUAL_KEYBOARD build does not
-    // support some of the kKeepRightAltInputMethods elements. For example,
-    // when USE_VIRTUAL_KEYBOARD is defined,
-    // util.GetKeyboardLayoutName("xkb:us:intl:eng") would return "".
-    if (!layout.empty()) {
-      keep_right_alt_xkb_layout_names_.insert(layout);
-    }
+    keep_right_alt_xkb_layout_names_.insert(layout);
   }
   for (size_t i = 0; i < arraysize(kCapsLockRemapped); ++i) {
     layout = util.GetKeyboardLayoutName(kCapsLockRemapped[i]);
-    // The empty check is for USE_VIRTUAL_KEYBOARD build. See above.
-    if (!layout.empty()) {
-      caps_lock_remapped_xkb_layout_names_.insert(layout);
-    }
+    caps_lock_remapped_xkb_layout_names_.insert(layout);
   }
 }