Dart SDK roll for 2019-01-04

26d5345fb1 Fix TypeInfo.couldBeExpression in recovery situations
5be48e1aca [test] Repair DWARF stacktrace test from Dart 2 damage.
807421cc44 Update dartdoc to 0.27.0.
80fa1a874d Replace more uses of deprecated elements
3d6acab3e7 [dartdevc] remove unused `dartdevk` binary, fixes #35483
7fd0c78c15 [gardening] Unmark language/vm/optimized_stacktrace_test
7778a8b6ca [kernel] Start setting up test suite for round-trip serialization
5e609d7946 [kernel] Implement serialization round-trip check for dart types
39539773bb [kernel] Implement serialization round-trip check for expressions
3b728c0a04 [kernel] Wire round-trip verification down to expressions and types
1cbae9fe48 [kernel] Start implementing verifier for serialization round trips
e2471dd363 Fix spelling of "occurrences" in flaky test results output.
d0f1edb2da Temporary desugaring of set literals.
d53f02aa8a Remove writeOptionalReference
5ed1c6132a Minor grammar and consistency fixes
5e808aa048 [infra] Add retry logic to find_base_commit.
e8c60f7ba6 [gardening] Mark service/simple_reload_test as Timeout for issue 35506
077ad9acfb Change ticker name for checking supertypes
c3b0ebd391 dill serialization: Specialize some writeNodes
ea16f85f8c [tools] repurpose generate_compile_commands.py to generate_idefiles.py
6c909a0efa Be explicit about whether a reference is allowed to be null or not
a4ba658dfb Update analyzer CHANGELOG entry with annotations
8deb5aabba Reinstate reduction for closure call to known static method

DEPS

@@ -31,7 +31,7 @@ vars = {
   # Dart is: https://github.com/dart-lang/sdk/blob/master/DEPS.
   # You can use //tools/dart/create_updated_flutter_deps.py to produce
   # updated revision list of existing dependencies.
-  'dart_revision': 'ec86471ccc47a62df8b4009e1fb37c66ff9dc91b',
+  'dart_revision': '26d5345fb1fe96c37976488fa974159647f3f330',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -49,7 +49,7 @@ vars = {
   'dart_csslib_tag': '0.14.4+1',
   'dart_dart2js_info_tag': '0.5.15',
   'dart_dart_style_tag': '1.2.2',
-  'dart_dartdoc_tag': 'v0.26.1',
+  'dart_dartdoc_tag': 'v0.27.0',
   'dart_fixnum_tag': '0.10.9',
   'dart_glob_tag': '1.1.7',
   'dart_html_tag': '0.13.3+2',

ci/licenses_golden/licenses_third_party

-Signature: 29cfd29c24487b4ee59633379ffa1809
+Signature: d8b12748bd0b2f46c8e022557e1b47b1
 
 UNUSED LICENSES: