Adding new media controls to MediaNotification

content/public/android/java/src/org/chromium/content/browser/MediaSessionImpl.java

Index: content/public/android/java/src/org/chromium/content/browser/MediaSessionImpl.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/MediaSessionImpl.java b/content/public/android/java/src/org/chromium/content/browser/MediaSessionImpl.java
index db04ad734dbe477677bfc6e4143acada88c99541..4fe856305957421a233c6add79502bf32988566f 100644
--- a/content/public/android/java/src/org/chromium/content/browser/MediaSessionImpl.java
+++ b/content/public/android/java/src/org/chromium/content/browser/MediaSessionImpl.java
@@ -52,6 +52,11 @@ public class MediaSessionImpl extends MediaSession {
         nativeStop(mNativeMediaSessionAndroid);
     }
 
+    @Override
+    public void didReceiveAction(int action) {
+        nativeDidReceiveAction(mNativeMediaSessionAndroid, action);
+    }
+
     @CalledByNative
     private boolean hasObservers() {
         return !mObservers.isEmpty();
@@ -79,6 +84,20 @@ public class MediaSessionImpl extends MediaSession {
     }
 
     @CalledByNative
+    private void mediaSessionEnabledAction(int action) {
+        for (mObserversIterator.rewind(); mObserversIterator.hasNext();) {

[whywhat, 2016/10/28 16:10:23]

nit: add a space between ; and ) to highlight there's no statement there?

[Zhiqiang Zhang (Slow), 2016/11/01 15:24:15]

Actually `git cl format` don't like the space :/

+            mObserversIterator.next().mediaSessionEnabledAction(action);
+        }
+    }
+
+    @CalledByNative
+    private void mediaSessionDisabledAction(int action) {
+        for (mObserversIterator.rewind(); mObserversIterator.hasNext();) {

[whywhat, 2016/10/28 16:10:23]

nit: ditto

[Zhiqiang Zhang (Slow), 2016/11/01 15:24:15]

See reply above.

+            mObserversIterator.next().mediaSessionDisabledAction(action);
+        }
+    }
+
+    @CalledByNative
     private static MediaSessionImpl create(long nativeMediaSession) {
         return new MediaSessionImpl(nativeMediaSession);
     }
@@ -101,4 +120,5 @@ public class MediaSessionImpl extends MediaSession {
     private native void nativeResume(long nativeMediaSessionAndroid);
     private native void nativeSuspend(long nativeMediaSessionAndroid);
     private native void nativeStop(long nativeMediaSessionAndroid);
+    private native void nativeDidReceiveAction(long nativeMediaSessionAndroid, int action);
 }