Break up the chrome/common:common target

chrome/common/cloud_print/BUILD.gn

+# Copyright 2017 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.
+
+source_set("cloud_print") {
+  sources = [
+    "cloud_print_cdd_conversion.cc",
+    "cloud_print_cdd_conversion.h",
+    "cloud_print_class_mac.h",
+    "cloud_print_class_mac.mm",
+    "cloud_print_constants.cc",
+    "cloud_print_constants.h",
+    "cloud_print_helpers.cc",
+    "cloud_print_helpers.h",
+    "cloud_print_proxy_info.cc",
+    "cloud_print_proxy_info.h",
+  ]
+  deps = [
+    "//base",
+    "//chrome/common:channel_info",
+    "//components/cloud_devices/common",
+    "//net",
+    "//printing",
+  ]
+}