Support IME properties in uber tray.

ash/shell.cc

Index: ash/shell.cc
diff --git a/ash/shell.cc b/ash/shell.cc
index f70a499c96b19eb0d270423fea44136f4aea9c50..72775e0c06822d84f2c8954dc754dee118d6ee57 100644
--- a/ash/shell.cc
+++ b/ash/shell.cc
@@ -361,9 +361,15 @@ class DummySystemTrayDelegate : public SystemTrayDelegate {
   virtual void GetAvailableIMEList(IMEInfoList* list) OVERRIDE {
   }
 
+  virtual void GetCurrentIMEProperties(IMEPropertyInfoList* list) OVERRIDE {
+  }
+
   virtual void SwitchIME(const std::string& ime_id) OVERRIDE {
   }
 
+  virtual void ActivateIMEProperty(const std::string& key) OVERRIDE {
+  }
+
   virtual void GetMostRelevantNetworkIcon(NetworkIconInfo* info,
                                           bool large) OVERRIDE {
   }