FetchSubresource  773 Source/core/fetch/ResourceFetcher.cpp     context().addAdditionalRequestHeaders(document(), request, (type == Resource::MainResource) ? FetchMainResource : FetchSubresource);
FetchSubresource   68 Source/core/loader/PingLoader.cpp     frame->loader().fetchContext().addAdditionalRequestHeaders(frame->document(), request, FetchSubresource);
FetchSubresource   84 Source/core/loader/PingLoader.cpp     frame->loader().fetchContext().addAdditionalRequestHeaders(frame->document(), request, FetchSubresource);
FetchSubresource  111 Source/core/loader/PingLoader.cpp     frame->loader().fetchContext().addAdditionalRequestHeaders(frame->document(), request, FetchSubresource);