add setter for enable_pkp_bypass_etc

components/cronet/ios/test/cronet_pkp_test.mm

Index: components/cronet/ios/test/cronet_pkp_test.mm
diff --git a/components/cronet/ios/test/cronet_pkp_test.mm b/components/cronet/ios/test/cronet_pkp_test.mm
index 2255766c094226c49f45eb8f0b70525f1c675d53..c92475e8a307d308a61e3cef5c6126f1db537644 100644
--- a/components/cronet/ios/test/cronet_pkp_test.mm
+++ b/components/cronet/ios/test/cronet_pkp_test.mm
@@ -140,6 +140,14 @@ TEST_F(PkpTest, TestSuccessIfPinMatches) {
   ASSERT_NO_FATAL_FAILURE(sendRequestAndAssertResult(request_url_, kSUCCESS));
 }
 
+TEST_F(PkpTest, TestBypass) {
+  [Cronet setMockCertVerifier:CreateMockCertVerifier({kSERVER_CERT}, NO)];
+  [Cronet setEnablePublicKeyPinningBypassForLocalTrustAnchors:YES];

[mef, 2017/06/13 21:12:42]

This seems to test the default case as if it is not called at all.
Should we have different test where this is set to NO?

+  AddPkpAndStartCronet(server_host_, NonMatchingHash(), kEXCLUDE_SUBDOMAINS,
+                       distant_future);
+  ASSERT_NO_FATAL_FAILURE(sendRequestAndAssertResult(request_url_, kSUCCESS));
+}
+
 // Tests the case when the pin hash does not match and the client accesses the
 // subdomain of the configured PKP host with includeSubdomains flag set to true.
 // The client is expected to receive the error response.