Resurrect the cloud printer driver.

This CL relands a working version of the printer driver, stripped of all
32bit pre Win 7 related parts.

Thios CL also fixed the installation problem for Win 10.

BUG=629512
TEST=unit_tests(minimal),manual
[email protected]

Review-Url: https://codereview.chromium.org/2541123003
Cr-Commit-Position: refs/heads/master@{#436344}
diff --git a/BUILD.gn b/BUILD.gn
index 48b7396..97ce0d2 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -681,6 +681,7 @@
       "//chrome/installer/setup:setup_unittests",
       "//chrome_elf:chrome_elf_unittests",
       "//chrome_elf:dll_hash_main",
+      "//cloud_print:cloud_print_unittests",
       "//components/wifi:wifi_test",
       "//net:quic_client",
       "//net:quic_server",