Add CertIssuerSourceAia: authorityInfoAccess fetching for CertPathBuilder.

net/data/cert_issuer_source_aia_unittest/target_file_aia.pem

Index: net/data/cert_issuer_source_aia_unittest/target_file_aia.pem
diff --git a/net/data/cert_issuer_source_aia_unittest/target_file_aia.pem b/net/data/cert_issuer_source_aia_unittest/target_file_aia.pem
new file mode 100644
index 0000000000000000000000000000000000000000..939b43264d657ffb75ecb271a0914bdde02306e0
--- /dev/null
+++ b/net/data/cert_issuer_source_aia_unittest/target_file_aia.pem
@@ -0,0 +1,88 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 1 (0x1)
+    Signature Algorithm: sha256WithRSAEncryption
+        Issuer: CN=I
+        Validity
+            Not Before: Jan  1 12:00:00 2015 GMT
+            Not After : Jan  1 12:00:00 2016 GMT
+        Subject: CN=target
+        Subject Public Key Info:
+            Public Key Algorithm: rsaEncryption
+                Public-Key: (2048 bit)
+                Modulus:
+                    00:cb:ab:a2:68:53:6d:e0:0f:73:1a:db:9e:ce:57:
+                    4a:6e:f1:b5:dc:18:b5:86:26:7d:ec:4b:9f:fd:9a:
+                    66:8e:74:16:03:e9:39:f3:b6:f7:aa:fd:e9:f2:5d:
+                    a7:4b:62:21:65:c7:3b:5b:64:e3:ec:55:e6:bc:61:
+                    3f:7e:ff:4b:b3:7a:ee:be:9f:b2:0d:84:50:dd:54:
+                    65:43:0f:5b:bd:da:44:99:cc:13:94:41:aa:77:0d:
+                    fb:2f:69:36:ae:62:37:c9:97:1f:b5:9c:de:c8:b0:
+                    e4:dd:08:82:c5:a4:15:c5:aa:bb:83:ed:ac:14:fe:
+                    41:7a:ee:de:0d:85:89:64:cf:bc:d5:17:2a:02:86:
+                    0d:4b:a3:43:a0:3c:53:2f:34:ee:66:0e:3b:33:28:
+                    7e:6d:2f:61:d3:f6:8f:a5:48:60:37:63:9d:b7:4b:
+                    45:1a:f2:cb:d9:10:a6:cf:b6:6f:fb:e1:1c:98:b6:
+                    b9:85:cd:6e:93:a0:e2:a1:3c:f8:db:9e:4c:f7:39:
+                    9e:aa:ce:b2:ae:c9:c8:44:84:75:52:7f:f4:df:2d:
+                    b0:7e:dd:da:01:b0:8e:d4:b4:b8:62:b1:fa:34:e3:
+                    dd:a0:4b:8d:b6:c6:bb:07:9f:4a:8c:2b:a1:a3:03:
+                    54:2e:a0:eb:37:32:d6:61:b7:8a:32:64:c9:1e:80:
+                    b5:e1
+                Exponent: 65537 (0x10001)
+        X509v3 extensions:
+            X509v3 Subject Key Identifier: 
+                93:58:68:CA:53:0B:F3:5D:D1:47:89:54:CA:6D:D6:3B:18:38:66:C9
+            X509v3 Authority Key Identifier: 
+                keyid:5D:B4:73:AA:1B:60:10:9E:0C:BC:16:BB:A4:0A:58:0D:B6:28:0E:04
+
+            Authority Information Access: 
+                CA Issuers - URI:file:///dev/null
+
+            X509v3 CRL Distribution Points: 
+
+                Full Name:
+                  URI:http://url-for-crl/I.crl
+
+            X509v3 Key Usage: critical
+                Digital Signature, Key Encipherment
+            X509v3 Extended Key Usage: 
+                TLS Web Server Authentication, TLS Web Client Authentication
+    Signature Algorithm: sha256WithRSAEncryption
+         63:c8:4a:71:65:6f:3a:c1:a0:24:d9:cd:f0:2b:78:11:85:2a:
+         ef:4e:c0:07:87:16:53:17:7e:5a:71:19:f7:04:73:2b:8a:20:
+         93:b3:96:43:df:ba:7a:0c:f5:d6:1d:92:8c:53:d3:4a:f8:5c:
+         82:e2:82:45:67:f0:d1:31:f9:4e:e0:27:ec:66:ec:49:a7:55:
+         96:08:e2:0b:d7:c7:c5:9a:08:3b:c5:b6:3a:f5:a7:09:57:15:
+         2f:42:8b:ca:90:d0:60:d6:e6:07:c9:65:ed:0c:4f:03:af:0f:
+         e6:76:37:24:aa:ab:8f:8a:31:42:35:e5:29:41:0c:a8:d3:18:
+         8f:96:05:b6:89:61:70:6a:21:34:d9:09:e8:02:7c:11:e9:6f:
+         f9:6b:5a:c4:e7:9d:3d:70:01:40:46:2e:8d:fd:f2:b4:0b:36:
+         54:d3:ce:f5:f0:ef:7e:e0:3d:35:01:75:65:bb:87:ca:36:d6:
+         5b:b8:a9:5b:ab:85:c1:9c:51:14:8b:a9:02:9b:70:ac:a3:87:
+         1c:bb:1e:0f:f6:10:87:04:28:7b:7a:0d:ed:41:0c:e6:7c:d6:
+         36:3e:79:29:26:dc:8f:b5:8b:55:3f:b8:bc:83:fb:dd:97:dc:
+         96:7f:25:46:5e:0a:eb:35:05:3c:4a:eb:c1:b3:38:99:09:5e:
+         86:1b:88:72
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----