Add missing utility printing handler back

https://chromium.googlesource.com/chromium/src.git/+/65f951ca1dc8c6b3fc5b2dc32e44b4e28a3b86e2

fix brave/browser-laptop#7326

Auditors: @bridiver, @bbondy, @bsclifton

atom/app/atom_main_delegate.cc

@@ -38,6 +38,7 @@
 #include "content/public/common/content_switches.h"
 #include "extensions/common/constants.h"
 #include "extensions/features/features.h"
+#include "printing/features/features.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/ui_base_switches.h"
@@ -335,7 +336,7 @@ int AtomMainDelegate::RunProcess(
     const std::string& process_type,
     const content::MainFunctionParams& main_function_params) {
     static const MainFunction kMainFunctions[] = {
-  #if defined(ENABLE_PRINT_PREVIEW) && !defined(CHROME_MULTIPLE_DLL_CHILD)
+  #if BUILDFLAG(ENABLE_PRINT_PREVIEW) && !defined(CHROME_MULTIPLE_DLL_CHILD)
       { switches::kServiceProcess,     ServiceProcessMain },
   #endif
 

atom/utility/atom_content_utility_client.cc

@@ -22,15 +22,16 @@
 #include "mojo/public/cpp/bindings/strong_binding.h"
 #include "net/proxy/mojo_proxy_resolver_factory_impl.h"
 #include "net/proxy/proxy_resolver_v8.h"
+#include "printing/features/features.h"
 #include "services/service_manager/public/cpp/interface_registry.h"
 
 #if BUILDFLAG(ENABLE_EXTENSIONS)
 #include "chrome/common/extensions/chrome_extensions_client.h"
 #include "extensions/utility/utility_handler.h"
 #endif
 
-#if defined(ENABLE_PRINT_PREVIEW) || \
-    (defined(ENABLE_BASIC_PRINTING) && defined(OS_WIN))
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW) || \
+    (BUILDFLAG(ENABLE_BASIC_PRINTING) && defined(OS_WIN))
 #include "chrome/utility/printing_handler.h"
 #endif
 
@@ -78,8 +79,8 @@ AtomContentUtilityClient::AtomContentUtilityClient()
     : filter_messages_(false) {
   handlers_.push_back(new ProfileImportHandler());
 
-#if defined(ENABLE_PRINT_PREVIEW) || \
-    (defined(ENABLE_BASIC_PRINTING) && defined(OS_WIN))
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW) || \
+    (BUILDFLAG(ENABLE_BASIC_PRINTING) && defined(OS_WIN))
   handlers_.push_back(new printing::PrintingHandler());
 #endif
 }