Reland "Adding media controls to MediaNotification"

content/browser/media/session/media_session_android.h

 // Copyright 2016 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 CONTENT_BROWSER_MEDIA_SESSION_MEDIA_SESSION_ANDROID_H_
 #define CONTENT_BROWSER_MEDIA_SESSION_MEDIA_SESSION_ANDROID_H_
 
 #include <jni.h>
 #include <memory>
 #include <vector>
@@ skipping 21 matching lines @@
 
   explicit MediaSessionAndroid(MediaSessionImpl* session);
   ~MediaSessionAndroid() override;
 
   // MediaSessionObserver implementation.
   void MediaSessionDestroyed() override;
   void MediaSessionStateChanged(bool is_controllable,
                                 bool is_suspended) override;
   void MediaSessionMetadataChanged(
       const base::Optional<MediaMetadata>& metadata) override;
+  void MediaSessionEnabledAction(
+      blink::mojom::MediaSessionAction action) override;
+  void MediaSessionDisabledAction(
+      blink::mojom::MediaSessionAction action) override;
 
   // MediaSession method wrappers.
   void Resume(JNIEnv* env, const base::android::JavaParamRef<jobject>& j_obj);
   void Suspend(JNIEnv* env, const base::android::JavaParamRef<jobject>& j_obj);
   void Stop(JNIEnv* env, const base::android::JavaParamRef<jobject>& j_obj);
+  void DidReceiveAction(JNIEnv* env,
+                        const base::android::JavaParamRef<jobject>& j_obj,
+                        jint action);
 
  private:
   WebContentsAndroid* GetWebContentsAndroid();
 
   base::android::ScopedJavaLocalRef<jobject> GetJavaObject();
 
   // The linked Java object. The strong reference is hold by Java WebContensImpl
   // to avoid introducing a new GC root.
   JavaObjectWeakGlobalRef j_media_session_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaSessionAndroid);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_MEDIA_SESSION_MEDIA_SESSION_ANDROID_H_