Allow building mojo_shell and non-graphical apps/services on a Mac

shell/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/ui.gni")
 import("//mojo/public/mojo.gni")
 import("//mojo/public/mojo_application.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//mojo/tools/embed/rules.gni")
 import("//testing/test.gni")
@@ skipping 19 matching lines @@
   }
 }
 
 group("tests") {
   testonly = true
   deps = [
     ":apptests",
     ":mojo_shell_tests",
     ":shell_nfc_apptests",
     "//shell/application_manager:mojo_application_manager_unittests",
-    "//shell/crash:crash_unittests",
   ]
+
+  if (is_android || is_linux) {
+    deps += [ "//shell/crash:crash_unittests" ]
+  }
 }
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
 }
 
 if (!mojo_use_prebuilt_mojo_shell) {
   shell_common_deps = [
     ":parent_lib",
     "//base",
     "//base/allocator",
     "//build/config/sanitizers:deps",
     "//mojo/environment:chromium",
     "//mojo/message_pump",
-    "//shell/crash",
   ]
   shell_common_data_deps = [ ":mojo_shell_child" ]
 
+  if (is_android || is_linux) {
+    shell_common_deps += [ "//shell/crash" ]
+  }
+
   if (is_android) {
     shared_library("mojo_shell") {
       sources = [
         "android/library_loader.cc",
         "android/main.cc",
         "android/main.h",
       ]
 
       deps = shell_common_deps + [
                ":jni_headers",
@@ skipping 123 matching lines @@
       ":jni_headers",
       ":run_android_application_function",
       "//mojo/application:content_handler",
       "//mojo/services/content_handler/public/interfaces",
       "//mojo/services/gpu/public/interfaces",
       "//mojo/services/native_viewport/public/interfaces",
       "//services/gles2",
       "//services/native_viewport:lib",
     ]
   }
+
+  if (is_mac) {
+    sources -= [
+      "url_response_disk_cache_loader.cc",
+      "url_response_disk_cache_loader.h",
+    ]
+
+    deps -= [ "//services/url_response_disk_cache" ]
+  }
 }
 
 # This is a separate target mainly since it suppresses check_includes.
 # TODO(vtl): Make it so that the suppression isn't needed.
 source_set("native_application_support") {
   sources = [
     "native_application_support.cc",
     "native_application_support.h",
   ]
 
@@ skipping 309 matching lines @@
 # Shared library propagation will happen up to executable, shared library,
 # or complete static library boundaries.
 # Workaround from brettw to prevent gn from linking pingable app into the
 # apptests executable.
 static_library("pingable_app_dummy") {
   complete_static_lib = true
   testonly = true
   public_deps = [
     "//shell/test:pingable_app($default_toolchain)",
   ]
+  sources = [
+    "pingable_app_dummy_empty.cc",
+  ]
 }
 
 embed_file("embed_pingable") {
   source = "$root_build_dir/pingable_app.mojo"
   namespace = "shell::test"
   variable = "kPingable"
   testonly = true
   deps = [
     ":pingable_app_dummy",
   ]
@@ skipping 68 matching lines @@
       "${root_out_dir}/libmojo_shell.so",
     ]
   } else {
     sources += [ "${root_out_dir}/mojo_shell" ]
   }
 
   outputs = [
     "${root_out_dir}/symbols/{{source_file_part}}",
   ]
 }