Add CertIssuerSourceAia: authorityInfoAccess fetching for CertPathBuilder.

net/data/cert_issuer_source_aia_unittest/target_one_aia.pem

Index: net/data/cert_issuer_source_aia_unittest/target_one_aia.pem
diff --git a/net/data/cert_issuer_source_aia_unittest/target_one_aia.pem b/net/data/cert_issuer_source_aia_unittest/target_one_aia.pem
new file mode 100644
index 0000000000000000000000000000000000000000..e826165189c51df9b373d4fcc2a565be71c1f40c
--- /dev/null
+++ b/net/data/cert_issuer_source_aia_unittest/target_one_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:de:50:b2:e5:7b:51:e3:7e:12:af:82:81:07:5e:
+                    ef:a9:11:ea:1c:20:58:60:94:1c:16:d0:b1:18:bd:
+                    36:cc:b6:37:c4:dc:7b:38:ad:c1:b3:2c:35:6b:95:
+                    a1:8f:b9:b4:cf:65:9a:e0:b5:06:23:e8:44:ab:8a:
+                    39:30:87:8e:3f:5d:49:87:83:b9:ff:7b:c1:dc:26:
+                    a6:08:47:06:a6:19:d9:7a:fd:50:1b:c4:db:16:fa:
+                    4a:eb:31:a5:24:61:36:16:4b:ed:23:d6:a1:ea:dd:
+                    19:60:cc:d7:8c:cc:07:0b:d7:bd:9d:8b:92:26:ea:
+                    00:74:ea:a8:9e:ab:0f:90:91:e7:07:2a:e2:c6:24:
+                    95:8b:e4:2e:6b:d5:07:e2:4c:3a:e2:0b:18:d7:d9:
+                    26:28:c2:12:8a:b0:7e:f6:e1:3a:07:ae:7d:9c:84:
+                    ec:88:59:07:84:10:db:c2:35:6c:78:6c:2d:b4:cc:
+                    8f:fa:4b:5b:5a:82:9e:dc:36:3b:29:18:31:26:fb:
+                    8e:99:e8:06:47:62:0b:60:bc:e6:b6:68:27:4b:b7:
+                    4d:27:4e:aa:96:d0:0b:b5:67:93:e3:50:54:7e:b8:
+                    9c:37:d3:b2:35:89:f3:c0:d2:2d:e2:38:2b:8d:78:
+                    81:7e:d6:ce:b0:b5:d7:60:25:7b:5f:01:38:fb:a4:
+                    0c:71
+                Exponent: 65537 (0x10001)
+        X509v3 extensions:
+            X509v3 Subject Key Identifier: 
+                C2:2B:28:21:EE:DE:41:F9:2D:DA:D4:1B:D9:C3:8B:7E:DE:9A:F6:07
+            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:http://url-for-aia/I.cer
+
+            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
+         3b:dc:a8:d4:a5:17:f9:9a:fc:20:db:2c:a2:3e:89:78:20:aa:
+         19:e1:ca:03:5e:a3:a3:24:60:87:24:3c:cd:28:cb:5a:89:f5:
+         ce:66:ca:b6:2d:79:c7:ff:1a:6d:e0:5d:aa:66:14:59:53:17:
+         62:64:4d:76:0d:01:04:52:4a:bc:ae:6c:89:5d:1c:a4:bf:ec:
+         b9:a3:5d:24:77:e3:76:1f:5b:ab:d4:99:18:b8:41:ec:90:63:
+         64:b8:4c:04:f6:0a:e9:ad:1c:1c:75:7c:50:ea:3d:df:6b:4a:
+         85:ae:b1:3a:15:8b:49:84:91:7f:e8:c4:47:a5:45:89:f9:f6:
+         35:00:12:ca:5b:b6:18:0c:64:cf:65:9a:04:fb:3a:44:5a:90:
+         e1:85:e3:68:c5:d7:10:2f:a3:1a:ba:88:66:25:78:60:e3:8b:
+         68:41:bb:d6:1c:be:f3:26:6a:b2:7a:22:4f:9c:e1:4f:70:bc:
+         23:c5:63:d5:de:19:7f:2e:40:ea:e7:86:47:a4:76:e0:81:96:
+         66:db:b3:62:9f:18:32:08:7e:36:c8:00:15:85:fc:3c:93:60:
+         af:bb:9a:09:58:3d:a5:18:2b:5c:1d:96:08:fc:43:13:ec:1b:
+         ac:bd:00:22:a5:76:68:32:76:49:7a:f6:32:c9:fa:d3:ac:9c:
+         cc:16:1d:7f
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----