Add section for SafeBrowsingUpdateFrequency in fieldtrial on win/mac/linux

testing/variations/fieldtrial_testing_config_linux.json

Index: testing/variations/fieldtrial_testing_config_linux.json
diff --git a/testing/variations/fieldtrial_testing_config_linux.json b/testing/variations/fieldtrial_testing_config_linux.json
index 44abad8bed5eec90213bf8fa8dd706468b66d2bd..0ee69ae3728fcc6982e5386493ab47e77a4bfa8d 100644
--- a/testing/variations/fieldtrial_testing_config_linux.json
+++ b/testing/variations/fieldtrial_testing_config_linux.json
@@ -113,6 +113,20 @@
             "group_name": "Disabled"
         }
     ],
+    "SafeBrowsingUpdateFrequency": [
+        {
+            "group_name": "UpdateTime15m",
+            "params": {
+                "NextUpdateIntervalInMinutes": "15"
+            }
+        },
+        {
+            "group_name": "Control"
+        },
+        {
+            "group_name": "Default"
+        }

[Ilya Sherman, 2015/12/08 20:01:12]

You can omit the control and default groups.  These configs are meant to control
testing the new behavior.

[vakh (old account. dont use), 2015/12/08 20:49:17]

Done.

+    ],
     "SdchPersistence": [
         {
             "group_name": "Enabled"