Change the OIB security summary phrase to reflect SHA-1 deprecation.

BUG=469853

Review URL: https://codereview.chromium.org/1020953003

Cr-Commit-Position: refs/heads/master@{#321905}

chrome/app/generated_resources.grd

@@ -413,6 +413,9 @@ are declared in build/common.gypi.
       <message name="IDS_WEBSITE_SETTINGS_NON_SECURE_TRANSPORT" desc="Text that is displayed in the header of the Website Settings popup if the website uses non-secure transport.">
         Your connection to this site is not private.
       </message>
+      <message name="IDS_WEBSITE_DEPRECATED_SIGNATURE_ALGORITHM" desc="Text that is displayed in the header of the Website Settings popup if the website uses SHA-1 for certificate signatures, which are no longer considered secure.">
+        This site uses a weak security configuration (SHA-1 signatures), so your connection may not be private.
+      </message>
       <message name="IDS_WEBSITE_SETTINGS_UNKNOWN_TRANSPORT" desc="Text that is displayed in the header of the Website Settings popup if Chrome cannot determine what kind of transport the website used. This string must be the same as IDS_WEBSITE_SETTINGS_NON_SECURE_TRANSPORT.">
         Your connection to this site is not private.
       </message>

chrome/browser/ui/website_settings/website_settings_ui.cc

@@ -94,9 +94,11 @@ base::string16 WebsiteSettingsUI::IdentityInfo::GetIdentityStatusText() const {
   switch (identity_status) {
     case WebsiteSettings::SITE_IDENTITY_STATUS_CERT:
     case WebsiteSettings::SITE_IDENTITY_STATUS_EV_CERT:
-    case WebsiteSettings::SITE_IDENTITY_STATUS_DEPRECATED_SIGNATURE_ALGORITHM:
     case WebsiteSettings::SITE_IDENTITY_STATUS_CERT_REVOCATION_UNKNOWN:
       return l10n_util::GetStringUTF16(IDS_WEBSITE_SETTINGS_SECURE_TRANSPORT);
+    case WebsiteSettings::SITE_IDENTITY_STATUS_DEPRECATED_SIGNATURE_ALGORITHM:
+      return l10n_util::GetStringUTF16(
+          IDS_WEBSITE_DEPRECATED_SIGNATURE_ALGORITHM);
     case WebsiteSettings::SITE_IDENTITY_STATUS_ADMIN_PROVIDED_CERT:
       return l10n_util::GetStringUTF16(IDS_CERT_POLICY_PROVIDED_CERT_HEADER);
     case WebsiteSettings::SITE_IDENTITY_STATUS_UNKNOWN: