NSS: PKCS 11 password prompt.

This was based off of davidben's WIP cl http://codereview.chromium.org/3186021/show.

BUG=42073
TEST=add password to NSS DB with "certutil -d sql:.pki/nssdb -W", try client auth, <keygen>, cert manager

Review URL: http://codereview.chromium.org/5686002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@71281 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/net/net.gyp b/net/net.gyp
index 649544a8..485ac38 100644
--- a/net/net.gyp
+++ b/net/net.gyp
@@ -54,6 +54,8 @@
         'base/cookie_policy.h',
         'base/cookie_store.cc',
         'base/cookie_store.h',
+        'base/crypto_module.h',
+        'base/crypto_module_nss.cc',
         'base/data_url.cc',
         'base/data_url.h',
         'base/directory_lister.cc',
@@ -96,6 +98,7 @@
         'base/host_resolver_proc.h',
         'base/io_buffer.cc',
         'base/io_buffer.h',
+        'base/keygen_handler.cc',
         'base/keygen_handler.h',
         'base/keygen_handler_mac.cc',
         'base/keygen_handler_nss.cc',
@@ -257,6 +260,7 @@
           {  # else: OS is not in the above list
             'sources!': [
               'base/cert_database_nss.cc',
+              'base/crypto_module_nss.cc',
               'base/keygen_handler_nss.cc',
               'base/test_root_certs_nss.cc',
               'base/x509_certificate_nss.cc',
@@ -274,6 +278,7 @@
         [ 'use_openssl==1', {
             'sources!': [
               'base/cert_database_nss.cc',
+              'base/crypto_module_nss.cc',
               'base/dnssec_keyset.cc',
               'base/dnssec_keyset.h',
               'base/keygen_handler_nss.cc',