Delete Alloy bootstrap (fixes #3685)

libcef/features/BUILD.gn

@@ -80,7 +80,6 @@ buildflag_header("features") {
   header = "features.h"
 
   flags = [
-    "ENABLE_ALLOY_BOOTSTRAP=$enable_alloy_bootstrap",
     "ENABLE_CEF=$enable_cef",
     "IS_CEF_SANDBOX_BUILD=$is_cef_sandbox_build",
   ]

libcef/features/features.gni

@@ -12,9 +12,3 @@ declare_args() {
   # PERFORMANCE AND/OR SECURITY IMPLICATIONS.
   is_cef_sandbox_build = false
 }
-
-declare_args() {
-  # Enables the Alloy bootstrap. This will be disabled and removed in ~M127.
-  # See issue #3685.
-  enable_alloy_bootstrap = enable_cef
-}

libcef/features/runtime.h

@@ -16,12 +16,7 @@ inline bool IsCefBuildEnabled() {
   return true;
 }
 
-#if BUILDFLAG(ENABLE_ALLOY_BOOTSTRAP)
-// True if CEF was initialized with the Alloy runtime.
-bool IsAlloyRuntimeEnabled();
-#endif
-
-// True if CEF was initialized with the Chrome runtime.
+// True if running as CEF Chrome runtime.
 bool IsChromeRuntimeEnabled();
 
 // True if CEF crash reporting is enabled.
@@ -32,11 +27,6 @@ bool IsCrashReportingEnabled();
 inline bool IsCefBuildEnabled() {
   return false;
 }
-#if BUILDFLAG(ENABLE_ALLOY_BOOTSTRAP)
-inline bool IsAlloyRuntimeEnabled() {
-  return false;
-}
-#endif
 inline bool IsChromeRuntimeEnabled() {
   return false;
 }

libcef/features/runtime_checks.h

@@ -1,23 +0,0 @@
-// Copyright 2020 The Chromium Embedded Framework Authors. All rights
-// reserved. Use of this source code is governed by a BSD-style license that
-// can be found in the LICENSE file.
-
-#ifndef CEF_LIBCEF_FEATURES_RUNTIME_CHECKS_H_
-#define CEF_LIBCEF_FEATURES_RUNTIME_CHECKS_H_
-#pragma once
-
-#include "cef/libcef/features/runtime.h"
-
-#if BUILDFLAG(ENABLE_ALLOY_BOOTSTRAP)
-
-#include "base/logging.h"
-
-#define REQUIRE_ALLOY_RUNTIME() \
-  CHECK(cef::IsAlloyRuntimeEnabled()) << "Alloy runtime is required"
-
-#define REQUIRE_CHROME_RUNTIME() \
-  CHECK(cef::IsChromeRuntimeEnabled()) << "Chrome runtime is required"
-
-#endif  // BUILDFLAG(ENABLE_ALLOY_BOOTSTRAP)
-
-#endif  // CEF_LIBCEF_FEATURES_RUNTIME_CHECKS_H_