webcrypto: Add ECDSA algorithm (chromium-side)

content/test/data/webcrypto/ec_private_keys.json

Index: content/test/data/webcrypto/ec_private_keys.json
diff --git a/content/test/data/webcrypto/ec_private_keys.json b/content/test/data/webcrypto/ec_private_keys.json
new file mode 100644
index 0000000000000000000000000000000000000000..c8b3f31bb94072753275914df829ca66c3282eff
--- /dev/null
+++ b/content/test/data/webcrypto/ec_private_keys.json
@@ -0,0 +1,37 @@
+// This file contains valid EC private keys in both JWK format, and PKCS8 format.
+[
+  {
+    "curve": "P-256",
+    "jwk": {
+      "kty": "EC",
+      "crv": "P-256",
+      "d": "H-M5UMX0YRJK6ZLCvf3xxzsWFfVxvVZ-YNGaofSM30I",
+      "x": "fBEMZtz9qAf25p5F3bPHT2mhSE0gPo3Frajpqd18s8c",
+      "y": "DfRImG5RveXRV2-ZkB-cLGqAakf9kHZDpyuDVZfvyMY"
+    },
+    "pkcs8": "308187020100301306072A8648CE3D020106082A8648CE3D030107046D306B02010104201FE33950C5F461124AE992C2BDFDF1C73B1615F571BD567E60D19AA1F48CDF42A144034200047C110C66DCFDA807F6E69E45DDB3C74F69A1484D203E8DC5ADA8E9A9DD7CB3C70DF448986E51BDE5D1576F99901F9C2C6A806A47FD907643A72B835597EFC8C6"
+  },
+
+  {
+    "curve": "P-384",
+    "jwk": {
+      "kty": "EC",
+      "crv": "P-384",
+      "d": "pJLOj6kAhMIn4aMveXTTnp_2en6HBew0GbNftgdYK-vUYeCxUgrHbsLdTptj665x",
+      "x": "5V_ubEnY1SP1znv5wEJc5P9lBwi33lz7CVkBUjl5p_BCYC2zCFRzU2mBO1w_Xvho",
+      "y": "KPWcxdxQmJKpiNOKjiUZ3j0MT9D72wmT448YUGwXYGxeJCSSRvHOlJg6U2HFvpg-"
+    },
+    "pkcs8": "3081B6020100301006072A8648CE3D020106052B8104002204819E30819B0201010430A492CE8FA90084C227E1A32F7974D39E9FF67A7E8705EC3419B35FB607582BEBD461E0B1520AC76EC2DD4E9B63EBAE71A16403620004E55FEE6C49D8D523F5CE7BF9C0425CE4FF650708B7DE5CFB095901523979A7F042602DB30854735369813B5C3F5EF86828F59CC5DC509892A988D38A8E2519DE3D0C4FD0FBDB0993E38F18506C17606C5E24249246F1CE94983A5361C5BE983E"
+  },
+  {
+    "curve": "P-521",
+    "jwk": {
+      "kty": "EC",
+      "crv": "P-521",
+      "d": "Ab1WvRBhGO2iRhVb1DtCuOE_Cm4l3TuzdgJvq03JK2FXvG3-wtFd09DPKjmqaElAQq9IupYBEY2oLG8hCKOiA610",
+      "x": "AS-8rv-mpR8-5NPStRxd7G18cmyjU_wBTqK_fPu5uRDTLL-moA_jm2zbiUbyJ3U5iy4jPAzxRNeMindCtceju10j",
+      "y": "AJze-CPde_mnnozOrNLkUnwjHQrllnrwlY6THX3czygFo-YY3DA5_sn-u9MwUv5MD-6Y8DMQYGSYLYj04DVJ1KZN"
+    },
+    "pkcs8": "3081EE020100301006072A8648CE3D020106052B810400230481D63081D3020101044201BD56BD106118EDA246155BD43B42B8E13F0A6E25DD3BB376026FAB4DC92B6157BC6DFEC2D15DD3D0CF2A39AA68494042AF48BA9601118DA82C6F2108A3A203AD74A181890381860004012FBCAEFFA6A51F3EE4D3D2B51C5DEC6D7C726CA353FC014EA2BF7CFBB9B910D32CBFA6A00FE39B6CDB8946F22775398B2E233C0CF144D78C8A7742B5C7A3BB5D23009CDEF823DD7BF9A79E8CCEACD2E4527C231D0AE5967AF0958E931D7DDCCF2805A3E618DC3039FEC9FEBBD33052FE4C0FEE98F033106064982D88F4E03549D4A64D"
+  }
+]