Add local printing mojo interface

This interface is used by lacros chrome to get printers
associated with the current Ash user profile as well as
their capabilities.

Bug: b/179305160
Test: deploy_chrome --lacros --nostrip

Change-Id: Id605713826eb74c886cc5bde18c53e6bdb04b434
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2763767
Commit-Queue: Sean Kau <skau@chromium.org>
Reviewed-by: Sean Kau <skau@chromium.org>
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Reviewed-by: Hidehiko Abe <hidehiko@chromium.org>
Reviewed-by: Rebekah Potter <rbpotter@chromium.org>
Cr-Commit-Position: refs/heads/master@{#879666}

chrome/browser/BUILD.gn

@@ -5548,6 +5548,9 @@ static_library("browser") {
     if (is_mac) {
       sources += [ "printing/printer_manager_dialog_mac.mm" ]
     }
+    if (is_chromeos) {
+      deps += [ "//chromeos/crosapi/mojom" ]
+    }
     if (is_linux || is_chromeos) {
       sources += [ "printing/printer_manager_dialog_linux.cc" ]
     }

chrome/browser/ash/crosapi/browser_util.cc

@@ -192,6 +192,7 @@ constexpr InterfaceVersionEntry kInterfaceVersionEntries[] = {
     MakeInterfaceVersionEntry<crosapi::mojom::FileManager>(),
     MakeInterfaceVersionEntry<crosapi::mojom::IdleService>(),
     MakeInterfaceVersionEntry<crosapi::mojom::KeystoreService>(),
+    MakeInterfaceVersionEntry<crosapi::mojom::LocalPrinter>(),
     MakeInterfaceVersionEntry<
         chromeos::machine_learning::mojom::MachineLearningService>(),
     MakeInterfaceVersionEntry<crosapi::mojom::MessageCenter>(),
@@ -225,7 +226,7 @@ constexpr bool HasDuplicatedUuid() {
 }
 
 static_assert(
-    crosapi::mojom::Crosapi::Version_ == 24,
+    crosapi::mojom::Crosapi::Version_ == 25,
     "if you add a new crosapi, please add it to the version map here");
 static_assert(!HasDuplicatedUuid(),
               "Each Crosapi Mojom interface should have unique UUID.");

chrome/browser/ash/crosapi/crosapi_ash.cc

@@ -24,6 +24,7 @@
 #include "chrome/browser/ash/crosapi/file_manager_ash.h"
 #include "chrome/browser/ash/crosapi/idle_service_ash.h"
 #include "chrome/browser/ash/crosapi/keystore_service_ash.h"
+#include "chrome/browser/ash/crosapi/local_printer_ash.h"
 #include "chrome/browser/ash/crosapi/message_center_ash.h"
 #include "chrome/browser/ash/crosapi/metrics_reporting_ash.h"
 #include "chrome/browser/ash/crosapi/prefs_ash.h"
@@ -43,6 +44,7 @@
 #include "chromeos/crosapi/mojom/feedback.mojom.h"
 #include "chromeos/crosapi/mojom/file_manager.mojom.h"
 #include "chromeos/crosapi/mojom/keystore_service.mojom.h"
+#include "chromeos/crosapi/mojom/local_printer.mojom.h"
 #include "chromeos/crosapi/mojom/message_center.mojom.h"
 #include "chromeos/crosapi/mojom/screen_manager.mojom.h"
 #include "chromeos/crosapi/mojom/select_file.mojom.h"
@@ -66,6 +68,7 @@ CrosapiAsh::CrosapiAsh()
       file_manager_ash_(std::make_unique<FileManagerAsh>()),
       idle_service_ash_(std::make_unique<IdleServiceAsh>()),
       keystore_service_ash_(std::make_unique<KeystoreServiceAsh>()),
+      local_printer_ash_(std::make_unique<LocalPrinterAsh>()),
       message_center_ash_(std::make_unique<MessageCenterAsh>()),
       metrics_reporting_ash_(std::make_unique<MetricsReportingAsh>(
           g_browser_process->local_state())),
@@ -160,6 +163,11 @@ void CrosapiAsh::BindKeystoreService(
   keystore_service_ash_->BindReceiver(std::move(receiver));
 }
 
+void CrosapiAsh::BindLocalPrinter(
+    mojo::PendingReceiver<crosapi::mojom::LocalPrinter> receiver) {
+  local_printer_ash_->BindReceiver(std::move(receiver));
+}
+
 void CrosapiAsh::BindMessageCenter(
     mojo::PendingReceiver<mojom::MessageCenter> receiver) {
   message_center_ash_->BindReceiver(std::move(receiver));

chrome/browser/ash/crosapi/crosapi_ash.h

@@ -28,6 +28,7 @@ class FeedbackAsh;
 class FileManagerAsh;
 class IdleServiceAsh;
 class KeystoreServiceAsh;
+class LocalPrinterAsh;
 class MessageCenterAsh;
 class MetricsReportingAsh;
 class PrefsAsh;
@@ -74,6 +75,8 @@ class CrosapiAsh : public mojom::Crosapi {
       mojo::PendingReceiver<mojom::IdleService> receiver) override;
   void BindKeystoreService(
       mojo::PendingReceiver<mojom::KeystoreService> receiver) override;
+  void BindLocalPrinter(
+      mojo::PendingReceiver<mojom::LocalPrinter> receiver) override;
   void BindMessageCenter(
       mojo::PendingReceiver<mojom::MessageCenter> receiver) override;
   void BindMetricsReporting(
@@ -139,6 +142,7 @@ class CrosapiAsh : public mojom::Crosapi {
   std::unique_ptr<FileManagerAsh> file_manager_ash_;
   std::unique_ptr<IdleServiceAsh> idle_service_ash_;
   std::unique_ptr<KeystoreServiceAsh> keystore_service_ash_;
+  std::unique_ptr<LocalPrinterAsh> local_printer_ash_;
   std::unique_ptr<MessageCenterAsh> message_center_ash_;
   std::unique_ptr<MetricsReportingAsh> metrics_reporting_ash_;
   std::unique_ptr<PrefsAsh> prefs_ash_;