[Media Router] Remove binary messaging implementation.

chrome/android/java/src/org/chromium/chrome/browser/media/router/ChromeMediaRouter.java

Index: chrome/android/java/src/org/chromium/chrome/browser/media/router/ChromeMediaRouter.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/media/router/ChromeMediaRouter.java b/chrome/android/java/src/org/chromium/chrome/browser/media/router/ChromeMediaRouter.java
index 9236349266cbd2af670f208acdfa62439eaae286..a4e96c4da74363269c4981d97656b72dc3bee6f7 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/media/router/ChromeMediaRouter.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/media/router/ChromeMediaRouter.java
@@ -327,23 +327,6 @@ public class ChromeMediaRouter implements MediaRouteManager {
         provider.sendStringMessage(routeId, message, callbackId);
     }
 
-    /**
-     * Sends a binary message to the specified route.
-     * @param routeId The id of the route to send the message to.
-     * @param data The binary message to send.
-     * @param callbackId The id of the result callback tracked by the native side.
-     */
-    @CalledByNative
-    public void sendBinaryMessage(String routeId, byte[] data, int callbackId) {
-        MediaRouteProvider provider = mRouteIdsToProviders.get(routeId);
-        if (provider == null) {
-            nativeOnMessageSentResult(mNativeMediaRouterAndroid, false, callbackId);
-            return;
-        }
-
-        provider.sendBinaryMessage(routeId, data, callbackId);
-    }
-
     @VisibleForTesting
     protected ChromeMediaRouter(long nativeMediaRouter) {
         mNativeMediaRouterAndroid = nativeMediaRouter;