remove javascript support

build/patches/Client-hints-overrides.patch

@@ -15,7 +15,8 @@ License: GPL-3.0-only - https://spdx.org/licenses/GPL-3.0-only.html
  services/network/public/cpp/features.cc                      | 2 +-
  third_party/blink/common/client_hints/client_hints.cc        | 1 +
  .../blink/common/client_hints/enabled_client_hints.cc        | 4 +++-
- 8 files changed, 16 insertions(+), 8 deletions(-)
+ .../blink/renderer/platform/runtime_enabled_features.json5   | 4 ++--
+ 9 files changed, 18 insertions(+), 10 deletions(-)
 
 diff --git a/components/embedder_support/user_agent_utils.cc b/components/embedder_support/user_agent_utils.cc
 --- a/components/embedder_support/user_agent_utils.cc
@@ -62,7 +63,7 @@ diff --git a/content/browser/loader/navigation_url_loader_impl.cc b/content/brow
 diff --git a/content/public/common/content_features.cc b/content/public/common/content_features.cc
 --- a/content/public/common/content_features.cc
 +++ b/content/public/common/content_features.cc
-@@ -247,8 +247,8 @@ BASE_FEATURE(kCrashReporting,
+@@ -248,8 +248,8 @@ BASE_FEATURE(kCrashReporting,
  // Enables support for the `Critical-CH` response header.
  // https://github.com/WICG/client-hints-infrastructure/blob/master/reliability.md#critical-ch
  BASE_FEATURE(kCriticalClientHint,
@@ -87,7 +88,7 @@ diff --git a/services/network/public/cpp/client_hints.cc b/services/network/publ
 diff --git a/services/network/public/cpp/features.cc b/services/network/public/cpp/features.cc
 --- a/services/network/public/cpp/features.cc
 +++ b/services/network/public/cpp/features.cc
-@@ -197,7 +197,7 @@ BASE_FEATURE(kWebSocketReassembleShortMessages,
+@@ -198,7 +198,7 @@ BASE_FEATURE(kWebSocketReassembleShortMessages,
  // Enable support for ACCEPT_CH H2/3 frame as part of Client Hint Reliability.
  // See:
  // https://tools.ietf.org/html/draft-davidben-http-client-hint-reliability-02#section-4.3
@@ -135,5 +136,19 @@ diff --git a/third_party/blink/common/client_hints/enabled_client_hints.cc b/thi
    for (const auto& elem : network::GetClientHintToNameMap()) {
      const auto& type = elem.first;
      if (IsEnabled(type))
+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
+@@ -2709,8 +2709,8 @@
+       public: true,
+     },
+     {
+-      name: "UserAgentClientHint",
+-      status: "stable",
++      name: "UserAgentClientHint",  // always disabled
++      status: "experimental",       // in bromite
+       base_feature: "UserAgentClientHint",
+     },
+     {
 --
 2.25.1