Implement NetworkingPrivateCrypto for OpenSSL.

chrome/chrome_common.gypi

Index: chrome/chrome_common.gypi
diff --git a/chrome/chrome_common.gypi b/chrome/chrome_common.gypi
index 0359bcd600ccaf32579ec942fdaf69146f8c6616..8c7c5a97d8e46e9205011aa02359a5ce7a078a15 100644
--- a/chrome/chrome_common.gypi
+++ b/chrome/chrome_common.gypi
@@ -341,6 +341,7 @@
           'sources': [
             'common/extensions/api/networking_private/networking_private_crypto_nss.cc',
             'common/extensions/api/networking_private/networking_private_crypto_openssl.cc',
+            'common/extensions/api/networking_private/networking_private_crypto.cc',
             'common/extensions/api/networking_private/networking_private_crypto.h',
             'common/media_galleries/itunes_library.cc',
             'common/media_galleries/itunes_library.h',
@@ -349,6 +350,12 @@
             'common/media_galleries/pmp_constants.h',
           ],
         }],
+        ['(OS=="win" or OS=="mac") and use_openssl==1', {
+          # networking_private_crypto_openssl.cc depends on openssl.
+          'dependencies': [
+            '../third_party/openssl/openssl.gyp:openssl',

[davidben, 2014/07/14 20:05:48]

Without this it silently includes the system OpenSSL headers or something on my
machine, which is kinda scary. (Makes me wonder if we accidentally did that
anywhere for the Android build...)

+          ],
+        }],
         ['OS=="mac"', {
           'sources': [
             'common/media_galleries/iphoto_library.cc',