[spell] Remove spelling service feedback from behind the flag

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index 176a503fdebde254f33c73da2e28ae2d43eabff6..6a92963a7f1a6d0beb946c5d1a8833f953f4c9c3 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -15242,12 +15242,12 @@ Do you accept?
       The Simple Cache for HTTP is a new cache. It relies on the filesystem for disk space allocation.
     </message>
 
-    <!-- Spelling service feedback. -->
-    <message name="IDS_FLAGS_ENABLE_SPELLING_SERVICE_FEEDBACK_NAME" desc="Name of about:flags option to turn on sending feedback to spelling service.">
-      Spelling Service Feedback.
+    <!-- Spelling feedback field trial. -->
+    <message name="IDS_FLAGS_ENABLE_SPELLING_FEEDBACK_FIELD_TRIAL_NAME" desc="Name of about:flags option to enable the field trial for sending feedback to spelling service.">
+      Spelling Feedback Field Trial.
     </message>
-    <message name="IDS_FLAGS_ENABLE_SPELLING_SERVICE_FEEDBACK_DESCRIPTION" desc="Description of about:flags option to turn on sending feedback to spelling service.">
-      Send user feedback to spelling service. For example, if spelling service marks a misspelled word, but the user adds it to the custom dictionary, then Chrome will send a feedback message to spelling service. Spelling service uses this feedback to improve spelling suggestions.
+    <message name="IDS_FLAGS_ENABLE_SPELLING_FEEDBACK_FIELD_TRIAL_DESCRIPTION" desc="Description of about:flags option to enable the field trial for sending feedback to spelling service.">
+      Enable the field trial for sending user feedback to spelling service.
     </message>
 
     <!-- Web MIDI API. -->