Revert of Ntp: restore scroll position.

content/browser/frame_host/navigation_controller_android.h

Index: content/browser/frame_host/navigation_controller_android.h
diff --git a/content/browser/frame_host/navigation_controller_android.h b/content/browser/frame_host/navigation_controller_android.h
index 69b7e191ab4cbb35566cc2d1f916e1f513129983..fda06549e397f1e0c601e30321277e87f63888ba 100644
--- a/content/browser/frame_host/navigation_controller_android.h
+++ b/content/browser/frame_host/navigation_controller_android.h
@@ -135,16 +135,6 @@
                              const base::android::JavaParamRef<jobject>& obj,
                              jlong source_native_navigation_controller_android,
                              jboolean replace_entry);
-  base::android::ScopedJavaLocalRef<jstring> GetEntryExtraData(
-      JNIEnv* env,
-      const base::android::JavaParamRef<jobject>& obj,
-      jint index,
-      const base::android::JavaParamRef<jstring>& jkey);
-  void SetEntryExtraData(JNIEnv* env,
-                         const base::android::JavaParamRef<jobject>& obj,
-                         jint index,
-                         const base::android::JavaParamRef<jstring>& jkey,
-                         const base::android::JavaParamRef<jstring>& jvalue);
 
  private:
   NavigationControllerImpl* navigation_controller_;