AOT compiler changes for dart_content_handler:

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 260 matching lines @@
   extra_configs = [
     ":dart_no_snapshot_config",
     ":dart_precompiler_config",
   ]
   extra_deps = [
     "vm:libdart_lib_nosnapshot_with_precompiler",
     "vm:libdart_vm_nosnapshot_with_precompiler",
   ]
 }
 
+libdart_library("libdart_with_precompiler") {
+  extra_configs = [ ":dart_precompiler_config" ]
+  extra_deps = [
+    "vm:libdart_lib_with_precompiler",
+    "vm:libdart_vm_with_precompiler",
+  ]
+}
+
 action("generate_version_cc_file") {
   deps = [
     ":libdart_dependency_helper",
   ]
   inputs = [
     "../tools/utils.py",
     "../tools/print_version.py",
     "../tools/VERSION",
     "vm/version_in.cc",
   ]
@@ skipping 21 matching lines @@
     "third_party/double-conversion/src:libdouble_conversion",
     "vm:libdart_lib",
     "vm:libdart_lib_nosnapshot",
     "vm:libdart_vm",
     "vm:libdart_vm_nosnapshot",
   ]
   sources = [
     "vm/libdart_dependency_helper.cc",
   ]
 }