GN: Remove dead target 'libdart' and dead flag 'dart_experimental_interpreter'.

runtime/BUILD.gn

 # Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 import("runtime_args.gni")
 
 declare_args() {
   # Instead of using is_debug, we introduce a different flag for specifying a
   # Debug build of Dart so that clients can still use a Release build of Dart
   # while themselves doing a Debug build.
@@ skipping 11 matching lines @@
   # These settings are only used for Flutter, at the moment. A standalone build
   # of the Dart VM should leave this set to "develop", and should set
   # 'is_debug', 'is_release', or 'is_product'.
   dart_runtime_mode = "develop"
 
   # Explicitly set the target architecture in case of precompilation. Leaving
   # this unspecified results in automatic target architecture detection.
   # Available options are: arm, arm64, mips, x64 and ia32
   dart_target_arch = ""
 
-  dart_experimental_interpreter = false
-
   # The optimization level to use for debug builds.
   dart_debug_optimization_level = "2"
 }
 
 config("dart_public_config") {
   include_dirs = [ "." ]
 }
 
 # Adds PRODUCT define if Flutter has specified "release" for dart_runtime_mode
 config("dart_maybe_product_config") {
   defines = []
 
   if (dart_runtime_mode != "develop" && dart_runtime_mode != "profile" &&
       dart_runtime_mode != "release") {
     print("Invalid |dart_runtime_mode|")
     assert(false)
   }
 
   if (dart_runtime_mode == "release") {
     if (dart_debug) {
       print("Debug and release mode are mutually exclusive.")
     }
     assert(!dart_debug)
     defines += [ "PRODUCT" ]
   }
 }
 
-# Adds the DART_PRECOMPILED_RUNTIME define if Flutter has specified "profile" or
-# "release" for dart_runtime_mode.
-config("dart_maybe_precompiled_runtime_config") {
-  defines = []
-
-  if (dart_runtime_mode != "develop" && dart_runtime_mode != "profile" &&
-      dart_runtime_mode != "release") {
-    print("Invalid |dart_runtime_mode|")
-    assert(false)
-  }
-
-  if (dart_runtime_mode == "release") {
-    if (dart_debug) {
-      print("Debug and release mode are mutually exclusive.")
-    }
-    assert(!dart_debug)
-
-    if (!dart_experimental_interpreter) {
-      defines += [ "DART_PRECOMPILED_RUNTIME" ]
-    }
-  } else if (dart_runtime_mode == "profile") {
-    if (!dart_experimental_interpreter) {
-      defines += [ "DART_PRECOMPILED_RUNTIME" ]
-    }
-  }
-}
-
 config("dart_precompiled_runtime_config") {
   defines = []
   defines += [ "DART_PRECOMPILED_RUNTIME" ]
 }
 
 # Controls DART_PRECOMPILER #define.
 config("dart_precompiler_config") {
   defines = []
   defines += [ "DART_PRECOMPILER" ]
 }
 
 config("dart_no_snapshot_config") {
   defines = []
   defines += [ "DART_NO_SNAPSHOT" ]
 }
 
 config("dart_config") {
   defines = []
 
-  if (dart_experimental_interpreter) {
-    dart_target_arch = "dbc"
-  }
-
   if (target_os == "android") {
     defines += [ "TARGET_OS_ANDROID" ]
   } else if (target_os == "fuchsia") {
     defines += [ "TARGET_OS_FUCHSIA" ]
   } else if (target_os == "ios") {
     defines += [ "TARGET_OS_MACOS" ]
     defines += [ "TARGET_OS_MACOS_IOS" ]
   } else if (target_os == "linux") {
     defines += [ "TARGET_OS_LINUX" ]
   } else if (target_os == "mac") {
@@ skipping 122 matching lines @@
       "vm/dart_api_impl.cc",
       "vm/debugger_api_impl.cc",
       "vm/mirrors_api_impl.cc",
       "vm/native_api_impl.cc",
       "vm/version.h",
     ]
     defines = [ "DART_SHARED_LIB" ]
   }
 }
 
-# TODO(rmacnak): Remove after updating all clients to use libdart_jit
-# or libdart_precompiled_runtime.
-libdart_library("libdart") {
-  extra_configs = [ ":dart_maybe_precompiled_runtime_config" ]
-  extra_deps = [
-    "vm:libdart_lib",
-    "vm:libdart_vm",
-  ]
-}
-
 libdart_library("libdart_jit") {
   extra_deps = [
     "vm:libdart_lib_jit",
     "vm:libdart_vm_jit",
   ]
 }
 
 libdart_library("libdart_precompiled_runtime") {
   extra_configs = [ ":dart_precompiled_runtime_config" ]
   extra_deps = [
@@ skipping 55 matching lines @@
     "third_party/double-conversion/src:libdouble_conversion",
     "vm:libdart_lib_jit",
     "vm:libdart_lib_nosnapshot_with_precompiler",
     "vm:libdart_vm_jit",
     "vm:libdart_vm_nosnapshot_with_precompiler",
   ]
   sources = [
     "vm/libdart_dependency_helper.cc",
   ]
 }