Support for shared invalidator client IDs

chrome/browser/invalidation/invalidation_controller_android.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_INVALIDATION_INVALIDATION_CONTROLLER_ANDROID_H_
 #define CHROME_BROWSER_INVALIDATION_INVALIDATION_CONTROLLER_ANDROID_H_
 
+#include <string>
+
 #include "base/android/jni_android.h"
 #include "base/android/jni_helper.h"
 #include "sync/notifier/invalidation_util.h"
 
 namespace invalidation {
 
 // Controls invalidation registration on Android. This class is a wrapper for
 // the Java class org.chromium.sync.notifier.InvalidationController.
 class InvalidationControllerAndroid {
  public:
   InvalidationControllerAndroid();
   virtual ~InvalidationControllerAndroid();
 
   // Sets object ids for which the invalidation client should register for
   // notification.
   virtual void SetRegisteredObjectIds(const syncer::ObjectIdSet& ids);
 
+  // Asks the Java code to return the client ID it chose to use.
+  std::string GetInvalidatorClientId();
+
  private:
   // The Java invalidation controller.
   base::android::ScopedJavaGlobalRef<jobject> invalidation_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(InvalidationControllerAndroid);
 };
 
 bool RegisterInvalidationController(JNIEnv* env);
 
 }  // namespace invalidation
 
 #endif  // CHROME_BROWSER_INVALIDATION_INVALIDATION_CONTROLLER_ANDROID_H_