Update rules_closure to latest version

The latest rules closure version exposed zlib dependency in its own
repository.bzl file, so that we can remove it from the build tool
chain: [1]. We also have to omit bazel_skylib fetching, because this
dependency already fetched in WORKSPACE for minimum supported version
checking.

[1] https://github.com/bazelbuild/rules_closure/pull/363

Change-Id: I9e2a695594a3e9b857be8f7fca4359f5c3a4b88d

2 files changed, 4 insertions, 77 deletions

diff --git a/WORKSPACE b/WORKSPACE
index 40195d8b2d..35f7a3c193 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -14,23 +14,9 @@ http_archive(
 
 http_archive(
     name = "io_bazel_rules_closure",
-    sha256 = "1c05fea22c9630cf1047f25d008780756373a60ddd4d2a6993cf9858279c5da6",
-    strip_prefix = "rules_closure-50d3dc9e6d27a5577a0f95708466718825d579f4",
-    urls = ["https://github.com/bazelbuild/rules_closure/archive/50d3dc9e6d27a5577a0f95708466718825d579f4.tar.gz"],
-)
-
-# Transitive dependency of rules_closure and protobuf
-http_archive(
-    name = "net_zlib",
-    build_file = "//:lib/zlib/BUILD",
-    sha256 = "c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1",
-    strip_prefix = "zlib-1.2.11",
-    urls = ["https://zlib.net/zlib-1.2.11.tar.gz"],
-)
-
-bind(
-    name = "zlib",
-    actual = "@net_zlib//:zlib",
+    sha256 = "bdb00831682cd0923df36e19b01619b8230896d582f16304a937d8dc8270b1b6",
+    strip_prefix = "rules_closure-ad75d7cc1cff0e845cd83683881915d995bd75b2",
+    urls = ["https://github.com/bazelbuild/rules_closure/archive/ad75d7cc1cff0e845cd83683881915d995bd75b2.tar.gz"],
 )
 
 # File is specific to Polymer and copied from the Closure Github -- should be
@@ -53,6 +39,7 @@ load("@io_bazel_rules_closure//closure:defs.bzl", "closure_repositories")
 closure_repositories(
     omit_aopalliance = True,
     omit_args4j = True,
+    omit_bazel_skylib = True,
     omit_javax_inject = True,
 )
 
diff --git a/lib/zlib/BUILD b/lib/zlib/BUILD
deleted file mode 100644
index f948117417..0000000000
--- a/lib/zlib/BUILD
+++ /dev/null
@@ -1,60 +0,0 @@
-package(default_visibility = ["//visibility:public"])
-
-licenses(["notice"])  # BSD/MIT-like license (for zlib)
-
-_ZLIB_HEADERS = [
-    "crc32.h",
-    "deflate.h",
-    "gzguts.h",
-    "inffast.h",
-    "inffixed.h",
-    "inflate.h",
-    "inftrees.h",
-    "trees.h",
-    "zconf.h",
-    "zlib.h",
-    "zutil.h",
-]
-
-_ZLIB_PREFIXED_HEADERS = ["zlib/include/" + hdr for hdr in _ZLIB_HEADERS]
-
-# In order to limit the damage from the `includes` propagation
-# via `:zlib`, copy the public headers to a subdirectory and
-# expose those.
-genrule(
-    name = "copy_public_headers",
-    srcs = _ZLIB_HEADERS,
-    outs = _ZLIB_PREFIXED_HEADERS,
-    cmd = "cp $(SRCS) $(@D)/zlib/include/",
-    visibility = ["//visibility:private"],
-)
-
-cc_library(
-    name = "zlib",
-    srcs = [
-        "adler32.c",
-        "compress.c",
-        "crc32.c",
-        "deflate.c",
-        "gzclose.c",
-        "gzlib.c",
-        "gzread.c",
-        "gzwrite.c",
-        "infback.c",
-        "inffast.c",
-        "inflate.c",
-        "inftrees.c",
-        "trees.c",
-        "uncompr.c",
-        "zutil.c",
-        # Include the un-prefixed headers in srcs to work
-        # around the fact that zlib isn't consistent in its
-        # choice of <> or "" delimiter when including itself.
-    ] + _ZLIB_HEADERS,
-    hdrs = _ZLIB_PREFIXED_HEADERS,
-    copts = [
-        "-Wno-unused-variable",
-        "-Wno-implicit-function-declaration",
-    ],
-    includes = ["zlib/include/"],
-)