Implement code for Start/Finish threat details collection in WebView.

components/safe_browsing/base_blocking_page.cc

Index: components/safe_browsing/base_blocking_page.cc
diff --git a/components/safe_browsing/base_blocking_page.cc b/components/safe_browsing/base_blocking_page.cc
index 31d08bde21f9104abf56aacd7a2be597b9714c6e..efecb2638eeb48479988863d719b0719fecb76b4 100644
--- a/components/safe_browsing/base_blocking_page.cc
+++ b/components/safe_browsing/base_blocking_page.cc
@@ -362,4 +362,14 @@ void BaseBlockingPage::set_sb_error_ui(
   sb_error_ui_ = std::move(sb_error_ui);
 }
 
+// static
+bool BaseBlockingPage::ShouldReportThreatDetails(SBThreatType threat_type) {
+  return threat_type == SB_THREAT_TYPE_URL_PHISHING ||
+         threat_type == SB_THREAT_TYPE_URL_MALWARE ||
+         threat_type == SB_THREAT_TYPE_URL_UNWANTED ||
+         threat_type == SB_THREAT_TYPE_URL_CLIENT_SIDE_PHISHING ||
+         threat_type == SB_THREAT_TYPE_URL_CLIENT_SIDE_MALWARE ||
+         threat_type == SB_THREAT_TYPE_URL_PASSWORD_PROTECTION_PHISHING;
+}
+
 }  // namespace safe_browsing