Reland: Implement Aura side of unified touch text selection for contents

content/test/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/chrome_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/module_args/v8.gni")
 import("//testing/test.gni")
@@ skipping 301 matching lines @@
       "//ui/gfx",
       "//ui/gfx/geometry",
       "//ui/gl",
       "//ui/resources",
       "//ui/shell_dialogs",
       "//ui/snapshot",
     ]
 
     data_deps = [ "//ppapi:ppapi_tests" ]  # Loaded at runtime.
 
-    if (!is_chromeos) {
-      sources -=
-          [ "../browser/web_contents/touch_editable_impl_aura_browsertest.cc" ]
-    }
-
     if (is_win) {
       sources += rebase_path(
               content_tests_gypi_values.content_browsertests_win_sources,
               ".",
               "//content")
 
       deps += [
         "//content/app/strings",
         "//net:net_resources",
         "//third_party/WebKit/public:resources",
@@ skipping 361 matching lines @@
       "//gpu/blink",
       "//testing/gtest",
       "//third_party/WebKit/public:blink",
       "//ui/base",
       "//ui/gfx",
       "//ui/gfx/geometry",
       "//ui/gl",
     ]
   }
 }