[Media Router] Connection state change listening redesign part 2.

chrome/browser/media/android/router/media_router_android.cc

 // Copyright 2015 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.
 
 #include "chrome/browser/media/android/router/media_router_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/guid.h"
@@ skipping 294 matching lines @@
 void MediaRouterAndroid::RegisterLocalMediaRoutesObserver(
     LocalMediaRoutesObserver* observer) {
   NOTIMPLEMENTED();
 }
 
 void MediaRouterAndroid::UnregisterLocalMediaRoutesObserver(
     LocalMediaRoutesObserver* observer) {
   NOTIMPLEMENTED();
 }
 
-void MediaRouterAndroid::RegisterPresentationConnectionStateObserver(
-    PresentationConnectionStateObserver* observer) {
-  NOTIMPLEMENTED();
-}
-
-void MediaRouterAndroid::UnregisterPresentationConnectionStateObserver(
-    PresentationConnectionStateObserver* observer) {
-  NOTIMPLEMENTED();
-}
-
 void MediaRouterAndroid::OnSinksReceived(
     JNIEnv* env,
     jobject obj,
     jstring jsource_urn,
     jint jcount) {
   std::vector<MediaSink> sinks_converted;
   sinks_converted.reserve(jcount);
   for (int i = 0; i < jcount; ++i) {
     ScopedJavaLocalRef<jstring> jsink_urn =
         Java_ChromeMediaRouter_getSinkUrn(
@@ skipping 92 matching lines @@
   scoped_ptr<content::PresentationSessionMessage> message(
       new content::PresentationSessionMessage(content::TEXT));
   message->message = ConvertJavaStringToUTF8(env, jmessage);
   session_messages.push_back(message.Pass());
 
   FOR_EACH_OBSERVER(PresentationSessionMessagesObserver, *observer_list,
                     OnMessagesReceived(session_messages, true));
 }
 
 }  // namespace media_router