Add CertIssuerSource interface and CertIssuerSourceStatic implementation.

net/data/cert_issuer_source_static_unittest/i2.pem

Index: net/data/cert_issuer_source_static_unittest/i2.pem
diff --git a/net/data/cert_issuer_source_static_unittest/i2.pem b/net/data/cert_issuer_source_static_unittest/i2.pem
new file mode 100644
index 0000000000000000000000000000000000000000..f5dadf439f7ca07c729feea1f4b32c1391c80fea
--- /dev/null
+++ b/net/data/cert_issuer_source_static_unittest/i2.pem
@@ -0,0 +1,90 @@
+Generated by ./generate-certs.py.
+Refer to generator script docstring for details.
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 4 (0x4)
+    Signature Algorithm: sha256WithRSAEncryption
+        Issuer: CN=Root
+        Validity
+            Not Before: Jan  1 12:00:00 2015 GMT
+            Not After : Jan  1 12:00:00 2016 GMT
+        Subject: CN=I2
+        Subject Public Key Info:
+            Public Key Algorithm: rsaEncryption
+                Public-Key: (2048 bit)
+                Modulus:
+                    00:c5:2a:06:f1:73:72:43:37:0a:2f:24:24:32:6b:
+                    04:fd:5d:0e:17:b6:3b:37:f0:59:09:10:39:f0:ee:
+                    cd:9b:43:e0:9d:e9:63:6e:05:42:5e:f8:b8:26:78:
+                    6b:9c:bd:0c:cc:85:8b:10:e8:7b:ef:03:8f:6e:84:
+                    fe:30:64:f7:21:78:3e:2b:e4:2e:d2:51:4a:e7:92:
+                    e3:44:c2:eb:cb:b3:fe:7c:44:6e:17:e0:cc:7b:39:
+                    4d:71:59:9b:d6:e8:8d:26:bd:49:fa:3e:b0:27:96:
+                    36:2c:f0:61:ca:a9:c0:00:ed:85:70:69:64:b4:81:
+                    71:69:a8:52:74:34:d7:61:6c:7c:84:9a:de:82:07:
+                    3b:18:dc:85:35:11:b7:0b:3a:89:59:1d:23:62:48:
+                    91:cf:60:0f:c4:ea:57:ca:42:8e:e8:52:1a:13:56:
+                    2d:1c:5b:70:3a:64:2f:a1:b4:d7:de:51:19:57:63:
+                    6d:10:c8:a3:1b:1d:92:96:dc:37:fa:8b:60:3a:67:
+                    7c:61:0b:24:15:54:68:e2:b0:74:b3:1a:cd:33:4c:
+                    3c:49:e1:56:eb:7d:59:07:eb:87:7a:bc:6f:f4:e8:
+                    3b:2b:c6:d0:e6:ae:7a:df:04:d4:99:27:7d:4f:a7:
+                    22:ea:7d:6a:ff:69:1a:b8:6e:f5:4a:18:0f:98:1a:
+                    22:27
+                Exponent: 65537 (0x10001)
+        X509v3 extensions:
+            X509v3 Subject Key Identifier: 
+                FD:5E:CC:AF:B7:44:FD:EA:B3:2A:50:1D:1E:A0:2B:00:1C:E7:D2:84
+            X509v3 Authority Key Identifier: 
+                keyid:53:00:1D:70:48:9E:90:44:14:41:A0:92:6E:B8:1D:ED:EA:77:1F:81
+
+            Authority Information Access: 
+                CA Issuers - URI:http://url-for-aia/Root.cer
+
+            X509v3 CRL Distribution Points: 
+
+                Full Name:
+                  URI:http://url-for-crl/Root.crl
+
+            X509v3 Key Usage: critical
+                Certificate Sign, CRL Sign
+            X509v3 Basic Constraints: critical
+                CA:TRUE
+    Signature Algorithm: sha256WithRSAEncryption
+         02:a0:b5:94:14:2a:94:44:1f:25:f2:18:9e:64:8a:f6:b3:62:
+         35:95:ca:c5:ab:21:e7:18:d3:b2:41:5a:83:ac:3a:9c:bc:21:
+         3d:4f:6e:4a:94:31:da:71:16:dc:4a:e6:bc:15:84:6c:5e:10:
+         b9:6e:62:f4:ba:b8:9a:c5:f5:53:f9:29:16:83:ab:fd:8a:81:
+         7b:39:3e:c9:2f:83:c3:37:f7:e3:0a:4d:47:bc:fc:ff:52:32:
+         70:c7:50:21:15:b6:17:79:ed:18:1e:9a:9c:a8:f9:d2:9e:76:
+         06:e3:3d:cd:2f:55:6d:e2:e5:ea:20:f7:03:80:7f:c2:13:3d:
+         99:4f:38:d0:b8:43:6e:12:69:82:79:79:0c:16:cb:6d:cb:2f:
+         b7:2a:db:07:70:2a:20:96:45:80:03:9f:45:0d:91:be:29:e0:
+         af:4a:fd:d8:68:ef:86:b1:85:cc:7d:9a:24:d0:72:a4:33:0f:
+         2e:7f:ce:e2:d4:10:8e:8b:3a:f8:d3:a0:13:ae:ca:3b:ef:2b:
+         39:d1:ba:dd:35:98:6a:44:d3:0f:f8:b7:47:f4:08:3c:f1:41:
+         45:f9:67:01:70:0c:fc:51:7b:a2:49:39:1f:31:09:e3:8c:7d:
+         98:c7:19:ce:a1:ce:a6:40:3f:ca:29:56:f4:90:2a:42:25:84:
+         2f:f1:79:fa
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----