Link Blink into the browser process less.

content/child/BUILD.gn

 # Copyright 2014 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("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//content/child/child.gni")
 
 source_set("child") {
   # Only the public target should depend on this. All other targets (even
@@ skipping 97 matching lines @@
     # iOS only needs a small portion of content; exclude all the
     # implementation, and re-include what is used.
     sources = []
   } else {
     deps += [
       "//components/scheduler:scheduler",
       "//content/app/resources",
       "//content/app/strings",
       "//crypto:platform",
       "//storage/common",
-      "//third_party/WebKit/public:blink",
+      "//third_party/WebKit/public:blink_headers",
       "//third_party/WebKit/public:image_resources",
       "//third_party/WebKit/public:resources",
       "//third_party/npapi",
     ]
   }
 
   if (use_aura && is_mac) {
     # This file is already excluded on non-Mac.
     sources -= [ "npapi/webplugin_delegate_impl_mac.mm" ]
   }
 }