Add indication of camera use on SAML webcam logins

chrome/app/chromeos_strings.grdp

Index: chrome/app/chromeos_strings.grdp
diff --git a/chrome/app/chromeos_strings.grdp b/chrome/app/chromeos_strings.grdp
index a560d2c47dedd0c8837e795bb2bd09dc47d7c15a..e518fbaa9beb9dcca591822f5eb4679a54ae438b 100644
--- a/chrome/app/chromeos_strings.grdp
+++ b/chrome/app/chromeos_strings.grdp
@@ -1640,6 +1640,9 @@ Press any key to continue exploring.
   <message name="IDS_LOGIN_SAML_NOTICE" desc="Text message displayed above SAML portal to early indicate that the user is being redirected to another sign-in provider. This is the version of the string used in the GAIA flow.">
     This sign-in service is hosted by <ph name="SAML_DOMAIN">$1<ex>saml.com</ex></ph>
   </message>
+  <message name="IDS_LOGIN_SAML_NOTICE_WITH_VIDEO" desc="Text message displayed above SAML portal to early indicate that the user is being redirected to another sign-in provider which has requested video media access.">
+    This sign-in service, hosted by <ph name="SAML_DOMAIN">$1<ex>saml.com</ex></ph>, is using your camera.

[dskaram1, 2016/05/13 14:59:10]

From UI review, preference is for saying "accessing your camera" vs. "using your
camera" to retain consistency with how Chrome browser says it.

[Kevin Cernekee, 2016/05/13 18:39:04]

Done.

+  </message>
   <message name="IDS_LOGIN_CONFIRM_PASSWORD_TITLE" desc="Title for the confirm password dialog.">
     Please re-enter your password to update your <ph name="DEVICE_TYPE">$1<ex>Chromebook</ex></ph> profile.
   </message>