Override DevTools security summary when a Safe Browsing warning shows.

third_party/WebKit/Source/core/inspector/browser_protocol.json

Index: third_party/WebKit/Source/core/inspector/browser_protocol.json
diff --git a/third_party/WebKit/Source/core/inspector/browser_protocol.json b/third_party/WebKit/Source/core/inspector/browser_protocol.json
index f2edae65c7f69087d5510ebd9ab2bb813673392f..47da2f23b68384bc053e443dd9aa67cedd83330c 100644
--- a/third_party/WebKit/Source/core/inspector/browser_protocol.json
+++ b/third_party/WebKit/Source/core/inspector/browser_protocol.json
@@ -906,6 +906,7 @@
                 "parameters": [
                     { "name": "securityState", "$ref": "SecurityState", "description": "Security state." },
                     { "name": "explanations", "type": "array", "items": { "$ref": "SecurityStateExplanation" }, "description": "List of explanations for the security state. If the overall security state is `insecure` or `warning`, at least one corresponding explanation should be included.", "optional": true },
+                    { "name": "summary", "type": "string", "description": "User-visible description of the state.", "optional": true },

[dgozman, 2016/12/07 22:28:11]

Don't make it optional if you always set it. In fact, looks like most of the
fields should not be optional here.

                     { "name": "insecureContentStatus", "$ref": "InsecureContentStatus", "description": "Information about insecure content on the page.", "optional": true },
                     { "name": "schemeIsCryptographic", "type": "boolean", "description": "True if the page was loaded over cryptographic transport such as HTTPS.", "optional": true }
                 ]