Create a new print backend for the updated CUPS APIs

printing/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/features.gni")
 import("//build/config/sysroot.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 if (is_mac) {
   import("//build/config/mac/mac_sdk.gni")
@@ skipping 151 matching lines @@
       # With a 10.8 deployment target, several other APIs are deprecated.
       # We're still on CUPS 1.4 until Linux no longer needs to support it, see
       # comment above.
       cflags += [ "-Wno-deprecated-declarations" ]
     }
 
     # PRINT_BACKEND_AVAILABLE disables the default dummy implementation
     # of the print backend and enables a custom implementation instead.
     defines += [ "PRINT_BACKEND_AVAILABLE" ]
 
-    sources += [
-      "backend/cups_helper.cc",
-      "backend/cups_helper.h",
-      "backend/print_backend_cups.cc",
-      "backend/print_backend_cups.h",
-    ]
+    if (is_chromeos) {
+      sources += [
+        "backend/cups_connection.cc",
+        "backend/cups_connection.h",
+        "backend/cups_deleters.cc",
+        "backend/cups_deleters.h",
+        "backend/cups_ipp_util.cc",
+        "backend/cups_ipp_util.h",
+        "backend/cups_printer.cc",
+        "backend/cups_printer.h",
+        "backend/print_backend_cups_ipp.cc",
+        "backend/print_backend_cups_ipp.h",
+      ]
+    } else {
+      sources += [
+        "backend/cups_helper.cc",
+        "backend/cups_helper.h",
+        "backend/print_backend_cups.cc",
+        "backend/print_backend_cups.h",
+      ]
+    }
   }
 
   if (is_chromeos) {
     defines += [ "PRINT_BACKEND_AVAILABLE" ]
 
     sources += [
       "backend/print_backend_chromeos.cc",
       "printing_context_no_system_dialog.cc",
       "printing_context_no_system_dialog.h",
     ]
@@ skipping 45 matching lines @@
     "//ui/gfx:test_support",
     "//ui/gfx/geometry",
   ]
 
   if (!is_android) {
     sources += [ "pdf_transform_unittest.cc" ]
   }
 
   if (use_cups) {
     configs += [ ":cups" ]
-    sources += [ "backend/cups_helper_unittest.cc" ]
+
+    if (is_chromeos) {
+      sources += [ "backend/cups_ipp_util_unittest.cc" ]
+    } else {
+      sources += [ "backend/cups_helper_unittest.cc" ]
+    }
   }
 }
 
 if (use_cups) {
   config("cups") {
     defines = [ "USE_CUPS" ]
 
     if (is_mac) {
       libs = [ "cups" ]
       lib_dirs = [ "$mac_sdk_path/usr/lib" ]
@@ skipping 33 matching lines @@
       "android/java/src/org/chromium/printing/PrintManagerDelegate.java",
       "android/java/src/org/chromium/printing/PrintManagerDelegateImpl.java",
       "android/java/src/org/chromium/printing/Printable.java",
       "android/java/src/org/chromium/printing/PrintingContext.java",
       "android/java/src/org/chromium/printing/PrintingContextInterface.java",
       "android/java/src/org/chromium/printing/PrintingController.java",
       "android/java/src/org/chromium/printing/PrintingControllerImpl.java",
     ]
   }
 }