Move base GN subprojects into base.

chrome/browser/ui/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/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
 
 gypi_values = exec_script("//build/gypi_to_gn.py",
                           [ rebase_path("../../chrome_browser_ui.gypi") ],
                           "scope",
                           [ "../../chrome_browser_ui.gypi" ])
 
 config("ui_warnings") {
   if (is_clang) {
     # TODO(thakis): Remove this once http://crbug.com/383820 is figured out
     cflags = [ "-Wno-nonnull" ]
   }
 }
 
 source_set("ui") {
-  output_name = "browser_ui"
-
   sources = []
   defines = []
   libs = []
 
   configs += [
     ":ui_warnings",
     "//build/config:precompiled_headers",
     "//build/config/compiler:wexit_time_destructors",
     "//third_party/WebKit/public:debug_devtools",
   ]
 
   # Since browser and browser_ui actually depend on each other,
   # we must omit the dependency from browser_ui to browser.
   # However, this means browser_ui and browser should more or less
   # have the same dependencies. Once browser_ui is untangled from
   # browser, then we can clean up these dependencies.
   public_deps = [
     "//components/dom_distiller/core",
     "//content/public/browser",
     "//sync",
   ]
   deps = [
     # NOTE: New dependencies should generally be added in the OS!="ios"
     # dependencies block below, rather than here.
-    "//base/debug:debugging_flags",
+    "//base",
     "//chrome:extra_resources",
     "//chrome:resources",
     "//chrome:strings",
     "//chrome/app/resources:platform_locale_settings",
     "//chrome/app/theme:theme_resources",
     "//chrome/common",
     "//components/app_modal",
     "//components/auto_login_parser",
     "//components/certificate_reporting:cert_logger_proto",
     "//components/certificate_reporting:encrypted_cert_logger_proto",
@@ skipping 554 matching lines @@
     "//chrome/browser",
     "//content/public/browser",
     "//content/public/common",
     "//content/test:test_support",
     "//net:test_support",
     "//skia",
     "//testing/gtest",
     "//ui/base",
   ]
 }