#509 disable remote playback api

build/patches/Disable-media-router-and-remoting-by-default.patch

@@ -7,8 +7,10 @@ License: GPL-3.0-only - https://spdx.org/licenses/GPL-3.0-only.html
 ---
  chrome/browser/media/router/media_router_feature.cc         | 6 +++++-
  chrome/browser/profiles/profile_impl.cc                     | 2 +-
+ content/child/runtime_features.cc                           | 2 ++
  .../renderer/modules/remoteplayback/remote_playback.cc      | 2 +-
- 3 files changed, 7 insertions(+), 3 deletions(-)
+ .../blink/renderer/platform/runtime_enabled_features.json5  | 4 ++--
+ 5 files changed, 11 insertions(+), 5 deletions(-)
 
 diff --git a/chrome/browser/media/router/media_router_feature.cc b/chrome/browser/media/router/media_router_feature.cc
 --- a/chrome/browser/media/router/media_router_feature.cc
@@ -50,6 +52,18 @@ diff --git a/chrome/browser/profiles/profile_impl.cc b/chrome/browser/profiles/p
  #if !BUILDFLAG(IS_ANDROID)
    registry->RegisterBooleanPref(prefs::kShowCastIconInToolbar, false);
  #endif  // !BUILDFLAG(IS_ANDROID)
+diff --git a/content/child/runtime_features.cc b/content/child/runtime_features.cc
+--- a/content/child/runtime_features.cc
++++ b/content/child/runtime_features.cc
+@@ -587,6 +587,8 @@ void SetCustomizedRuntimeFeaturesFromCombinedArgs(
+   WebRuntimeFeatures::EnableBackForwardCache(
+       content::IsBackForwardCacheEnabled());
+ 
++  WebRuntimeFeatures::EnableRemotePlayback(false);
++
+   if (base::FeatureList::IsEnabled(network::features::kPrivateStateTokens)) {
+     WebRuntimeFeatures::EnablePrivateStateTokens(true);
+     WebRuntimeFeatures::EnablePrivateStateTokensAlwaysAllowIssuance(true);
 diff --git a/third_party/blink/renderer/modules/remoteplayback/remote_playback.cc b/third_party/blink/renderer/modules/remoteplayback/remote_playback.cc
 --- a/third_party/blink/renderer/modules/remoteplayback/remote_playback.cc
 +++ b/third_party/blink/renderer/modules/remoteplayback/remote_playback.cc
@@ -62,5 +76,21 @@ diff --git a/third_party/blink/renderer/modules/remoteplayback/remote_playback.c
  }
  
  void RemotingStarting(HTMLMediaElement& media_element) {
+diff --git a/third_party/blink/renderer/platform/runtime_enabled_features.json5 b/third_party/blink/renderer/platform/runtime_enabled_features.json5
+--- a/third_party/blink/renderer/platform/runtime_enabled_features.json5
++++ b/third_party/blink/renderer/platform/runtime_enabled_features.json5
+@@ -3218,10 +3218,10 @@
+       base_feature: "none",
+     },
+     {
+-      name: "RemotePlaybackBackend",
++      name: "RemotePlaybackBackend", // disabled
+       settable_from_internals: true,
+       // Tracking bug for the implementation: https://crbug.com/728609
+-      status: {"Android": "stable", "default": "experimental"},
++      status: "experimental",        // by default
+     },
+     {
+       name: "RemoveDanglingMarkupInTarget",
 --
 2.25.1