[Media] Added feature flag for new remote playback pipeline

third_party/WebKit/Source/platform/RuntimeEnabledFeatures.json5

Index: third_party/WebKit/Source/platform/RuntimeEnabledFeatures.json5
diff --git a/third_party/WebKit/Source/platform/RuntimeEnabledFeatures.json5 b/third_party/WebKit/Source/platform/RuntimeEnabledFeatures.json5
index 4d1c5ecab06793aba2461cbe0b9bb14293c4d97b..3a744382cdab3e596e6aef9c316ecafa5a39a072 100644
--- a/third_party/WebKit/Source/platform/RuntimeEnabledFeatures.json5
+++ b/third_party/WebKit/Source/platform/RuntimeEnabledFeatures.json5
@@ -659,6 +659,10 @@
       name: "NetworkInformation",
       status: "stable",
     },
+    // Not a web exposed feature, enabled from the command line.
+    {
+      name: "NewRemotePlaybackPipeline",
+    },
     {
       name: "NotificationBadge",
       status: "stable",
@@ -996,7 +1000,7 @@
     {
       name: "WebAssemblyStreaming",
       status: "experimental",
-    }, 
+    },
     {
       name: "WebAuth",
       status: "experimental",