Link Blink into the browser process less.

components/webcrypto/BUILD.gn

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//testing/test.gni")
 
 source_set("webcrypto") {
   sources = [
     "algorithm_dispatch.cc",
     "algorithm_dispatch.h",
@@ skipping 40 matching lines @@
     "status.cc",
     "status.h",
     "webcrypto_impl.cc",
     "webcrypto_impl.h",
   ]
 
   deps = [
     "//base",
     "//crypto",
     "//crypto:platform",
-    "//third_party/WebKit/public:blink",
+    "//third_party/WebKit/public:blink_headers",
   ]
 }
 
 source_set("unit_tests") {
   testonly = true
   sources = [
     "algorithms/aes_cbc_unittest.cc",
     "algorithms/aes_ctr_unittest.cc",
     "algorithms/aes_gcm_unittest.cc",
     "algorithms/aes_kw_unittest.cc",
@@ skipping 14 matching lines @@
     "//base/test:test_support",
     "//components/test_runner:test_runner",
     "//crypto",
     "//crypto:platform",
     "//testing/gtest",
     "//testing/perf",
     "//third_party/WebKit/public:blink",
     "//third_party/re2",
   ]
 }