Add Data Reduction Proxy card to Clank FRE in EM

chrome/android/java/strings/android_chrome_strings.grd

Index: chrome/android/java/strings/android_chrome_strings.grd
diff --git a/chrome/android/java/strings/android_chrome_strings.grd b/chrome/android/java/strings/android_chrome_strings.grd
index c3d3fa5c8170d99f759d8fb2ec7400c62f1d056c..b7bc7c96150ca9f376ba805319d7895e97f91563 100644
--- a/chrome/android/java/strings/android_chrome_strings.grd
+++ b/chrome/android/java/strings/android_chrome_strings.grd
@@ -161,6 +161,9 @@ CHAR-LIMIT guidelines:
       <message name="IDS_NO_THANKS" desc="Generic label to say no thanks for a feature. [CHAR-LIMIT=32]">
         No Thanks
       </message>
+      <message name="IDS_NEXT" desc="Generic label for a button to advance to the next item. [CHAR-LIMIT=20]">
+        Next
+      </message>
 
       <!-- Main Preferences -->
       <message name="IDS_PREFERENCES" desc="Title for Chrome's Settings.">
@@ -747,7 +750,7 @@ To obtain new licenses, connect to the internet and play your downloaded content
         We are testing the proxying of HTTPS pages through Google servers as part of an experiment.
       </message>
 
-      <!-- Data Saver Promo -->
+      <!-- Data Saver Promo and FRE card -->
       <message name="IDS_DATA_REDUCTION_PROMO_TITLE" desc="The title for the promo inviting users to enable Data Saver" >
         Browse more for less
       </message>
@@ -757,6 +760,9 @@ To obtain new licenses, connect to the internet and play your downloaded content
       <message name="IDS_DATA_REDUCTION_ENABLE_BUTTON" desc="Button the user presses if they want to enable Data Saver" >
         Enable Data Saver
       </message>
+      <message name="IDS_DATA_REDUCTION_ENABLE_SWITCH" desc="Text for the switch the user presses if they want to enable/disable Data Saver" >

[aurimas (slooooooooow), 2015/09/24 20:59:10]

"Text for the switch that the user presses if they want to enable/disable Data
Saver feature"

[megjablon, 2015/09/24 23:40:34]

Done.

+        Data Saver enabled

[aurimas (slooooooooow), 2015/09/24 20:59:10]

We should switch the text for the switch to "Data Saver disabled". We do that in
settings for toggles.

[megjablon, 2015/09/24 23:40:34]

Done.

+      </message>
       <message name="IDS_DATA_REDUCTION_ENABLED_TOAST" desc="Toast message displayed after the user enables Data Saver from the promo" >
         Data Saver is on. Manage it in Settings.
       </message>