Support Mac frameworks in GN.

tools/gn/secondary/base/BUILD.gn

 # Copyright (c) 2013 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.
 
-config("base_libs") {
-  if (!is_win) {
-    libs = [ "dl" ]
-  }
-}
-
 component("base") {
   external = true
   sources = [
     "../build/build_config.h",
     "third_party/dmg_fp/dmg_fp.h",
     "third_party/dmg_fp/g_fmt.cc",
     "third_party/dmg_fp/dtoa_wrapper.cc",
     "third_party/icu/icu_utf.cc",
     "third_party/icu/icu_utf.h",
     "allocator/allocator_extension.cc",
@@ skipping 668 matching lines @@
   ]
 
   deps = [
     ":base_static",
     "//base/allocator:allocator_extension_thunks",
     "//base/third_party/dynamic_annotations",
     "//base/third_party/nspr",
     "//third_party/modp_b64",
   ]
 
-  # So we can append below without worrying about whether it has been
-  # previously defined or not.
-  all_dependent_configs = [ ":base_libs" ]
+  libs = []
 
   if (!is_chromeos) {
     sources -= [
       "sys_info_chromeos.cc",
     ]
   }
 
   if (is_nacl) {
     # These things would otherwise be built on a Posix build but aren't
     # supported on NaCl.
@@ skipping 31 matching lines @@
       # regression to page cycler moz.
       "sha1_win.cc",
     ]
 
     if (is_component_build) {
       sources -= "debug/debug_on_start_win.cc"
     }
   } else if (!is_nacl) {
     # Non-Windows.
     deps += "//third_party/libevent"
+    libs += "dl"
   }
 
   # Mac.
   if (is_mac) {
     sources -= [
       "base_paths_posix.cc",
       "native_library_posix.cc",
       "strings/sys_string_conversions_posix.cc",
     ]
     deps += "//third_party/mach_override"
+    libs += [
+      "AppKit.framework",
+      "ApplicationServices.framework",
+      "Carbon.framework",
+      "CoreFoundation.framework",
+      "Foundation.framework",
+      "IOKit.framework",
+      "Security.framework",
+    ]
   } else {
     # Non-Mac.
     sources -= "files/file_path_watcher_kqueue.cc"
   }
 
+  # IOS.
+  if (is_ios) {
+    libs += [
+      "CoreFoundation.framework",
+      "CoreGraphics.framework",
+      "CoreText.framework",
+      "Foundation.framework",
+      "UIKit.framework",
+    ]
+  }
+
   # Linux.
   if (is_linux) {
     # TODO(brettw) these will need to be parameterized at some point.
     linux_configs = [
       "//build/config/linux:glib",
       "//build/config/linux:gtk",
       "//build/config/linux:x11",
     ]
     configs += linux_configs
     all_dependent_configs += linux_configs
@@ skipping 235 matching lines @@
 static_library("run_all_unittests") {
   external = true
   sources = [
     "test/run_all_unittests.cc",
   ]
   deps = [
     ":test_support_base",
   ]
 }