Removes files from //build that we don't need

build/config/BUILDCONFIG.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.
 
 # =============================================================================
 # PLATFORM SELECTION
 # =============================================================================
 #
 # There are two main things to set: "os" and "cpu". The "toolchain" is the name
 # of the GN thing that encodes combinations of these things.
@@ skipping 290 matching lines @@
 set_defaults("static_library") {
   configs = _native_compiler_configs
 }
 
 # Shared library defaults (also for components in component mode).
 _shared_library_configs = _native_compiler_configs
 if (is_win) {
   _shared_library_configs += _windows_linker_configs
 } else if (is_mac) {
   _shared_library_configs += [ "//build/config/mac:mac_dynamic_flags" ]
-} else if (is_android) {
-  # Strip native JNI exports from shared libraries by default. Binaries that
-  # want this can remove this config.
-  _shared_library_configs +=
-      [ "//build/config/android:hide_native_jni_exports" ]
 }
 set_defaults("shared_library") {
   configs = _shared_library_configs
 }
 
 # Source set defaults (also for components in non-component mode).
 set_defaults("source_set") {
   configs = _native_compiler_configs
 }
 set_defaults("component") {
@@ skipping 140 matching lines @@
       sources = invoker.sources
     }
     if (defined(invoker.testonly)) {
       testonly = invoker.testonly
     }
     if (defined(invoker.visibility)) {
       visibility = invoker.visibility
     }
   }
 }