Add --ignore-certificate-errors-spki-list switch and UMA histogram.

chrome/browser/io_thread_unittest.cc

Index: chrome/browser/io_thread_unittest.cc
diff --git a/chrome/browser/io_thread_unittest.cc b/chrome/browser/io_thread_unittest.cc
index 352d037b4cb9cd90cda2156008ac01088131441a..21e71ce46352fb820f4cd606454766ce922deb91 100644
--- a/chrome/browser/io_thread_unittest.cc
+++ b/chrome/browser/io_thread_unittest.cc
@@ -457,6 +457,23 @@ TEST_F(ConfigureParamsFromFieldTrialsAndCommandLineTest,
   EXPECT_TRUE(params_.ignore_certificate_errors);
 }
 
+TEST_F(ConfigureParamsFromFieldTrialsAndCommandLineTest,
+       DisableCertificateErrorsSPKIList) {
+  const std::string spki = "BZef6CjpE0HUDfp5ra3F3soQ9kkFxZoBo5PiK1hpudI=";
+  command_line_.AppendSwitchASCII("ignore-certificate-errors-spki-list",
+                                  "foo," + spki);
+  net::HashValue hash(net::HASH_VALUE_SHA256);
+  ASSERT_TRUE(hash.FromString("sha256/" + spki));
+  net::SHA256HashValue sha256;
+  memcpy(&sha256, hash.data(), sizeof(sha256));
+
+  ConfigureParamsFromFieldTrialsAndCommandLine();
+
+  EXPECT_EQ(1u, params_.ignore_certificate_error_spki_set.size());
+  EXPECT_TRUE(
+      base::ContainsKey(params_.ignore_certificate_error_spki_set, sha256));
+}
+
 TEST_F(ConfigureParamsFromFieldTrialsAndCommandLineTest, TestingFixedPort) {
   command_line_.AppendSwitchASCII("testing-fixed-http-port", "42");
   command_line_.AppendSwitchASCII("testing-fixed-https-port", "137");