Do not load content_resources.pak on iOS.

content/test/test_content_client.cc

Index: content/test/test_content_client.cc
diff --git a/content/test/test_content_client.cc b/content/test/test_content_client.cc
index dc14eb193edf2ea51b524d4b03f33d0e5676bfd4..b8aeea558cc99089dfd121294ca8ed31ca55badb 100644
--- a/content/test/test_content_client.cc
+++ b/content/test/test_content_client.cc
@@ -12,11 +12,14 @@
 
 TestContentClient::TestContentClient()
     : data_pack_(ui::SCALE_FACTOR_100P) {
+  // content_resources.pak is not built on iOS as it is not required.
+#if !defined(OS_IOS)
   FilePath content_resources_pack_path;
   PathService::Get(base::DIR_MODULE, &content_resources_pack_path);
   content_resources_pack_path = content_resources_pack_path.Append(
       FILE_PATH_LITERAL("content_resources.pak"));
   data_pack_.LoadFromPath(content_resources_pack_path);
+#endif
 }
 
 TestContentClient::~TestContentClient() {