Remove Mojo bindings environment.

components/dom_distiller/content/browser/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.
 
 assert(!is_ios)
 
 # GYP version: components/dom_distiller.gypi:dom_distiller_content_browser
 static_library("browser") {
   sources = [
     "distillability_driver.cc",
@@ skipping 18 matching lines @@
     "//content/public/browser",
   ]
   deps = [
     "//base",
     "//components/dom_distiller/content/common",
     "//components/dom_distiller/content/common:mojo_bindings",
     "//components/resources",
     "//components/strings",
     "//content/public/browser",
     "//content/public/common",
-    "//mojo/environment:chromium",
     "//mojo/public/cpp/bindings",
     "//net",
     "//skia",
     "//sync",
     "//third_party/WebKit/public:blink_headers",
     "//ui/base",
     "//ui/gfx",
     "//url",
   ]
 
@@ skipping 13 matching lines @@
   sources = [
     "dom_distiller_viewer_source_unittest.cc",
     "web_contents_main_frame_observer_unittest.cc",
   ]
   deps = [
     ":browser",
     "//content/test:test_support",
     "//testing/gtest",
   ]
 }