[ios] Partially decouple iOS and macOS GN configuration.

build/config/ios/rules.gni

 # Copyright 2015 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/ios/ios_sdk.gni")
 import("//build/config/mac/base_rules.gni")
 import("//build/config/mac/symbols.gni")
 import("//build/toolchain/toolchain.gni")
 
 # Invokes lipo on multiple arch-specific binaries to create a fat binary.
@@ skipping 84 matching lines @@
       _dsyms_output_dir = "$root_out_dir/$_output_name.dSYM"
       outputs += [
         "$_dsyms_output_dir/",
         "$_dsyms_output_dir/Contents/Info.plist",
         "$_dsyms_output_dir/Contents/Resources/DWARF/$_output_name",
       ]
       args += [ "-Wcrl,dsym," + rebase_path("$root_out_dir/.", root_build_dir) ]
     }
 
     if (enable_stripping) {
-      # Check whether //build/config/mac:strip_all has been removed from the
-      # configs variables (as this is how stripping is disabled for a single
-      # target).
-      _strip_all_in_config = false
-      if (defined(invoker.configs)) {
-        foreach(_config, invoker.configs) {
-          if (_config == "//build/config/mac:strip_all") {
-            _strip_all_in_config = true
-          }
-        }
-      }
-
-      if (_strip_all_in_config) {
-        args += [ "-Wcrl,strip,-x,-S" ]
-        if (save_unstripped_output) {
-          outputs += [ "$root_out_dir/$_output_name.unstripped" ]
-          args += [ "-Wcrl,unstripped," +
-                    rebase_path("$root_out_dir/.", root_build_dir) ]
-        }
+      args += [ "-Wcrl,strip,-x,-S" ]
+      if (save_unstripped_output) {
+        outputs += [ "$root_out_dir/$_output_name.unstripped" ]
+        args += [ "-Wcrl,unstripped," +
+                  rebase_path("$root_out_dir/.", root_build_dir) ]
       }
     }
   }
 }
 
 # Wrapper around create_bundle taking care of code signature settings.
 #
 # Arguments
 #
 #   product_type
@@ skipping 1380 matching lines @@
       "-rpath",
       "-Xlinker",
       "@loader_path/Frameworks",
     ]
   }
 }
 
 set_defaults("ios_xctest_test") {
   configs = default_executable_configs
 }