Convert printing IPCs to Mojo

chrome/utility/chrome_content_utility_client.cc

Index: chrome/utility/chrome_content_utility_client.cc
diff --git a/chrome/utility/chrome_content_utility_client.cc b/chrome/utility/chrome_content_utility_client.cc
index f364d63992ea5f5cd642a0e8fab97fb3f2cc6c30..9eba6990ce874dc1f15b37e7049f6fa31ea92af2 100644
--- a/chrome/utility/chrome_content_utility_client.cc
+++ b/chrome/utility/chrome_content_utility_client.cc
@@ -118,11 +118,6 @@ ChromeContentUtilityClient::ChromeContentUtilityClient()
   handlers_.push_back(new image_writer::ImageWriterHandler());
 #endif
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW) || \
-    (BUILDFLAG(ENABLE_BASIC_PRINTING) && defined(OS_WIN))
-  handlers_.push_back(new printing::PrintingHandler());
-#endif
-
 #if defined(OS_WIN)
   handlers_.push_back(new IPCShellHandler());
 #endif
@@ -211,6 +206,10 @@ void ChromeContentUtilityClient::ExposeInterfacesToBrowser(
 #if defined(OS_WIN)
   registry->AddInterface(base::Bind(&ShellHandlerImpl::Create));
 #endif
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW) || \
+    (BUILDFLAG(ENABLE_BASIC_PRINTING) && defined(OS_WIN))
+  registry->AddInterface(base::Bind(&printing::PrintingHandler::Create));
+#endif
 }
 
 void ChromeContentUtilityClient::RegisterServices(StaticServiceMap* services) {