Move printing defines to buildflag system.

chrome/browser/browser_process_impl.cc

Index: chrome/browser/browser_process_impl.cc
diff --git a/chrome/browser/browser_process_impl.cc b/chrome/browser/browser_process_impl.cc
index 6d52d5ca79edb1401bbfcee20e03f84c60e560b7..3066504299868e9104db0311eef627697415c292 100644
--- a/chrome/browser/browser_process_impl.cc
+++ b/chrome/browser/browser_process_impl.cc
@@ -119,6 +119,7 @@
 #include "extensions/common/constants.h"
 #include "net/socket/client_socket_pool_manager.h"
 #include "net/url_request/url_request_context_getter.h"
+#include "printing/features/features.h"
 #include "ui/base/idle/idle.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/message_center/message_center.h"
@@ -214,7 +215,7 @@ BrowserProcessImpl::BrowserProcessImpl(
   g_browser_process = this;
   platform_part_.reset(new BrowserProcessPlatformPart());
 
-#if defined(ENABLE_PRINTING)
+#if BUILDFLAG(ENABLE_PRINTING)
   // Must be created after the NotificationService.
   print_job_manager_.reset(new printing::PrintJobManager);
 #endif
@@ -677,7 +678,7 @@ printing::PrintJobManager* BrowserProcessImpl::print_job_manager() {
 
 printing::PrintPreviewDialogController*
     BrowserProcessImpl::print_preview_dialog_controller() {
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   DCHECK(CalledOnValidThread());
   if (!print_preview_dialog_controller_.get())
     CreatePrintPreviewDialogController();
@@ -690,7 +691,7 @@ printing::PrintPreviewDialogController*
 
 printing::BackgroundPrintingManager*
     BrowserProcessImpl::background_printing_manager() {
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   DCHECK(CalledOnValidThread());
   if (!background_printing_manager_.get())
     CreateBackgroundPrintingManager();
@@ -1158,7 +1159,7 @@ void BrowserProcessImpl::CreateStatusTray() {
 }
 
 void BrowserProcessImpl::CreatePrintPreviewDialogController() {
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   DCHECK(!print_preview_dialog_controller_);
   print_preview_dialog_controller_ =
       new printing::PrintPreviewDialogController();
@@ -1168,7 +1169,7 @@ void BrowserProcessImpl::CreatePrintPreviewDialogController() {
 }
 
 void BrowserProcessImpl::CreateBackgroundPrintingManager() {
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   DCHECK(!background_printing_manager_);
   background_printing_manager_.reset(new printing::BackgroundPrintingManager());
 #else
@@ -1312,7 +1313,7 @@ void BrowserProcessImpl::Unpin() {
   release_last_reference_callstack_ = base::debug::StackTrace();
 
   shutting_down_ = true;
-#if defined(ENABLE_PRINTING)
+#if BUILDFLAG(ENABLE_PRINTING)
   // Wait for the pending print jobs to finish. Don't do this later, since
   // this might cause a nested message loop to run, and we don't want pending
   // tasks to run once teardown has started.