Add milestone to deprecation message for EME on insecure contexts

third_party/WebKit/Source/core/frame/Deprecation.cpp

Index: third_party/WebKit/Source/core/frame/Deprecation.cpp
diff --git a/third_party/WebKit/Source/core/frame/Deprecation.cpp b/third_party/WebKit/Source/core/frame/Deprecation.cpp
index 6284adb2f49a04c4558cb2123b68384e1e86d812..c39c1ba33c8eb6138146671506a15cc48275e5e1 100644
--- a/third_party/WebKit/Source/core/frame/Deprecation.cpp
+++ b/third_party/WebKit/Source/core/frame/Deprecation.cpp
@@ -331,9 +331,10 @@ String Deprecation::deprecationMessage(UseCounter::Feature feature) {
 
     case UseCounter::EncryptedMediaInsecureOrigin:
       return "requestMediaKeySystemAccess() is deprecated on insecure origins "
-             "in the specification. Support will be removed in the future. You "
-             "should consider switching your application to a secure origin, "
-             "such as HTTPS. See https://goo.gl/rStTGz for more details.";
+             "in the specification. Support will be removed at the end of Q1 "

[foolip, 2016/12/13 11:06:01]

Can you say which milestone it will be? The state will still be a bit vague, but
this way you know when you can test for it in the pre-stable channels.

[foolip, 2016/12/13 23:07:34]

Unchecked CQ to see this addressed. (Should have said lgtm % nits, sorry.)

[ddorwin, 2016/12/16 02:15:41]

Done. Apologies for missing this comment.

+             "2017. You should consider switching your application to a secure "
+             "origin, such as HTTPS. See https://goo.gl/rStTGz for more "
+             "details.";
 
     case UseCounter::MediaSourceAbortRemove:
       return "Using SourceBuffer.abort() to abort remove()'s asynchronous "