Ability to use SHELL across Chromium

Previously, it wasn't possible to use shell-encryption anywhere
to be included. The main reason was Abseil wasn't supporting
component build, but now it's. Also, adding the SHELL to the gn check.

Bug: 1094744
Change-Id: Ia2b39a221e81808c6579118bab659285ebe2db0f

TBR: thakis@
Change-Id: Ia2b39a221e81808c6579118bab659285ebe2db0f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2245899
Commit-Queue: Amr Aboelkher <amraboelkher@google.com>
Reviewed-by: Amr Aboelkher <amraboelkher@google.com>
Reviewed-by: Mirko Bonadei <mbonadei@chromium.org>
Cr-Commit-Position: refs/heads/master@{#791120}

DEPS

@@ -4110,9 +4110,6 @@ include_rules = [
 
   # Chromium cannot directly depend on Abseil.
   '-absl',
-
-  # Chromium cannot directly depend on SHELL.
-  '-shell-encryption',
 ]
 
 

third_party/shell-encryption/BUILD.gn

@@ -87,14 +87,8 @@ source_set("shell_encryption") {
   ]
   public_deps = [
     ":serialization_proto",
-    "//third_party/abseil-cpp/absl/base",
-    "//third_party/abseil-cpp/absl/base:core_headers",
-    "//third_party/abseil-cpp/absl/memory",
-    "//third_party/abseil-cpp/absl/numeric:int128",
-    "//third_party/abseil-cpp/absl/status:status",
-    "//third_party/abseil-cpp/absl/strings",
-    "//third_party/abseil-cpp/absl/synchronization",
-    "//third_party/abseil-cpp/absl/types:optional",
+    "//base:base",
+    "//third_party/abseil-cpp:absl",
     "//third_party/boringssl:boringssl",
     "//third_party/protobuf:protobuf_lite",
   ]