[Mac/GN] Do not specify any default_libs to link.

build/config/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.
 
 import("//build/config/allocator.gni")
 import("//build/config/chrome_build.gni")
 import("//build/config/chromecast_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/sanitizers/sanitizers.gni")
@@ skipping 343 matching lines @@
       # list smaller, since all common things should be covered. If you need
       # some extra libraries, please just add a libs = [ "foo.lib" ] to your
       # target that needs it.
     ]
   } else if (is_android) {
     libs = [
       "dl",
       "m",
     ]
   } else if (is_mac) {
-    libs = [
-      "AppKit.framework",
-      "ApplicationServices.framework",
-      "Carbon.framework",
-      "CoreFoundation.framework",
-      "Foundation.framework",
-      "IOKit.framework",
-      "OpenGL.framework",
-      "Security.framework",
-    ]
+    # Targets should choose to explicitly link frameworks they require. Since
+    # linking can have run-time side effects, nothing should be listed here.
+    libs = []
   } else if (is_ios) {
     # The libraries listed here will be specified for both the target and the
     # host. Only the common ones should be listed here.
     libs = [
       "CoreFoundation.framework",
       "CoreGraphics.framework",
       "CoreText.framework",
       "Foundation.framework",
     ]
   } else if (is_linux) {
@@ skipping 83 matching lines @@
       # file doesn't exist, no error will be generated (probably MS tested this
       # case but forgot the other one?). To reproduce this error, do a build,
       # then delete the precompile.c.obj file, then build again.
       cflags_c = [ "/wd4206" ]
     } else if (is_mac) {
       precompiled_header = "build/precompile.h"
       precompiled_source = "//build/precompile.h"
     }
   }
 }