iOS: Add the Page Info password/credit card string for HTTP pages.

components/pageinfo_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <grit-part>
   <message name="IDS_PAGE_INFO_HELP_CENTER_LINK" desc="This is the text of the link pointing to the Help Center. This appears at the bottom of the SSL dialog and 'this' refers to the sections within the bubble.">
-    What do these mean?
+    Learn more
   </message>
   <message name="IDS_PAGE_INFO_SECURITY_TAB_DEPRECATED_SIGNATURE_ALGORITHM_MINOR" desc="The security summary phrase in the page information panel for a security problem where the site's certificate expires in 2016 and contains a SHA1 signature in the chain (as opposed to 2017 or later). Such certificates will not be supported in a future version of Chrome.">
     The certificate for this site expires in 2016, and the certificate chain contains a certificate signed using SHA-1.
   </message>
   <message name="IDS_PAGE_INFO_SECURITY_TAB_DEPRECATED_SIGNATURE_ALGORITHM_MAJOR" desc="The security summary phrase in the page information panel for a security problem where the site's certificate expires in 2017 or later and contains a SHA1 signature in the chain (as opposed to 2016). Such certificates will not be supported in a future version of Chrome.">
     The certificate for this site expires in 2017 or later, and the certificate chain contains a certificate signed using SHA-1.
   </message>
   <message name="IDS_PAGE_INFO_SECURITY_TAB_ENCRYPTED_CONNECTION_TEXT" desc="The text of the connection section when the connection is encrypted.">
     Your connection to <ph name="DOMAIN">$1<ex>www.google.com</ex></ph> is encrypted using a modern cipher suite.
   </message>
@@ skipping 12 matching lines @@
   <message name="IDS_PAGE_INFO_SECURITY_TAB_ENCRYPTION_DETAILS_AEAD" desc="This message gives details of the cryptographic primitives used to protect the HTTPS connection. It should be translated in a similar manner as IDS_PAGE_INFO_SECURITY_TAB_ENCRYPTION_DETAILS">
     The connection is encrypted and authenticated using <ph name="CIPHER">$1<ex>AES_128_GCM</ex></ph> and uses <ph name="KX">$2<ex>RSA</ex></ph> as the key exchange mechanism.
   </message>
   <message name="IDS_PAGE_INFO_SECURITY_TAB_INSECURE_IDENTITY" desc="The text of the identity section when the page is not secure.">
     The identity of this website has not been verified.
   </message>
   <message name="IDS_PAGE_INFO_SECURITY_TAB_NON_UNIQUE_NAME" desc="The text of the identity section when the host is not unique (such as with Intranet host names).">
     The identity of the server you are connected to cannot be fully validated. You are connected to a server using a name only valid within your network, which an external certificate authority has no way to validate ownership of. As some certificate authorities will issue certificates for these names regardless, there is no way to ensure you are connected to the intended website and not an attacker.
   </message>
   <message name="IDS_PAGE_INFO_SECURITY_TAB_NOT_ENCRYPTED_CONNECTION_TEXT" desc="The text of the connection section when the connection is not encrypted.">
-    Your connection to <ph name="DOMAIN">$1<ex>www.google.com</ex></ph> is not encrypted.
+    Your connection to <ph name="DOMAIN">$1<ex>www.google.com</ex></ph> is not secure.
+
+You should not enter any sensitive information on this site (for example, passwords or credit cards), because it could be stolen by attackers.
   </message>
   <message name="IDS_PAGE_INFO_SECURITY_TAB_NO_REVOCATION_MECHANISM" desc="The text of the identity section when there is no certificate revocation mechanism.">
     The certificate does not specify a mechanism to check whether it has been revoked.
   </message>
   <message name="IDS_PAGE_INFO_SECURITY_TAB_RENEGOTIATION_MESSAGE" desc="This message is displayed when the server hasn't been updated to fix a recent security issues. TLS here is an acronym and need not be translated. 'renegotiation' is a technical term describing a process of agreeing on a new set of security parameters and secrets. 'extension' here should be taken to mean 'amendment' rather than elongation.">
     The server does not support the TLS renegotiation extension.
   </message>
   <message name="IDS_PAGE_INFO_SECURITY_TAB_SSL_VERSION" desc="This message gives the version of the SSL protocol used to protect the HTTPS connection.">
     The connection uses <ph name="SSL_VERSION">$1<ex>TLS 1.0</ex></ph>.
   </message>
@@ skipping 17 matching lines @@
     <message name="IDS_PAGEINFO_CERT_INFO_BUTTON" desc="Text of button in the page info that shows the SSL certificate.">
       Certificate information
     </message>
   </if>
   <if expr="use_titlecase">
     <message name="IDS_PAGEINFO_CERT_INFO_BUTTON" desc="In Title Case: Text of button in the page info that shows the SSL certificate.">
       Certificate Information
     </message>
   </if>
 </grit-part>