Adding new media controls to MediaNotification

content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsObserverProxy.java

Index: content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsObserverProxy.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsObserverProxy.java b/content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsObserverProxy.java
index 365811066e556c685eed2f61288dc6209780f153..40698416509c0f0e35ae82a4e18b5c2768cfe2df 100644
--- a/content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsObserverProxy.java
+++ b/content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsObserverProxy.java
@@ -264,6 +264,22 @@ class WebContentsObserverProxy extends WebContentsObserver {
 
     @Override
     @CalledByNative
+    public void mediaSessionEnabledAction(int action) {
+        for (mObserversIterator.rewind(); mObserversIterator.hasNext();) {
+            mObserversIterator.next().mediaSessionEnabledAction(action);
+        }
+    }
+
+    @Override
+    @CalledByNative
+    public void mediaSessionDisabledAction(int action) {
+        for (mObserversIterator.rewind(); mObserversIterator.hasNext();) {
+            mObserversIterator.next().mediaSessionDisabledAction(action);
+        }
+    }
+
+    @Override
+    @CalledByNative
     public void destroy() {
         // Super destruction semantics (removing the observer from the
         // Java-based WebContents) are quite different, so we explicitly avoid