Add PrinterType enum to print.mojom

crrev.com/c/2944339 adds a GetPrinterTypeDenyList() method to the
LocalPrinter interface which returns a list of PrinterType enums.

Bug: 1192973, 1222453
Change-Id: Ic984507f9e3aaa776720f4cd55b9c0b099c3dfba
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2977411
Auto-Submit: Pranav Batra <batrapranav@chromium.org>
Reviewed-by: Ken Buchanan <kenrb@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Pranav Batra <batrapranav@chromium.org>
Cr-Commit-Position: refs/heads/master@{#894818}

printing/BUILD.gn

@@ -56,7 +56,12 @@ component("printing_base") {
   cflags = []
   defines = [ "IS_PRINTING_BASE_IMPL" ]
 
-  public_deps = [ "//build:chromeos_buildflags" ]
+  public_deps = [
+    "//build:chromeos_buildflags",
+
+    # TODO(crbug.com/1222453): Remove this dependency once migration is complete.
+    "//printing/mojom",
+  ]
   deps = [
     "//base",
     "//third_party/icu",

printing/mojom/print.mojom

@@ -135,3 +135,14 @@ enum ResultCode {
   // Insufficient permissions to perform the operation.
   kAccessDenied,
 };
+
+// Matches print_preview.PrinterType in
+// chrome/browser/resources/print_preview/data/destination_match.js
+[Stable, Extensible]
+enum PrinterType {
+  kPrivet,
+  kExtension,
+  kPdf,
+  kLocal,
+  kCloud
+};

printing/print_job_constants.h

@@ -9,6 +9,9 @@
 
 #include "base/component_export.h"
 
+// TODO(crbug.com/1222453): Remove once migration is complete.
+#include "printing/mojom/print.mojom.h"
+
 namespace printing {
 
 COMPONENT_EXPORT(PRINTING_BASE) extern const char kIsFirstRequest[];
@@ -186,9 +189,8 @@ enum ScalingType {
   SCALING_TYPE_LAST = CUSTOM
 };
 
-// Must match print_preview.PrinterType in
+// TODO(crbug.com/1222453): Remove once migration is complete.
-// chrome/browser/resources/print_preview/data/destination_match.js
+using PrinterType = printing::mojom::PrinterType;
-enum class PrinterType { kPrivet, kExtension, kPdf, kLocal, kCloud };
 
 }  // namespace printing