[Autofill] Remove GZIP compression since requests are now in proto

components/autofill/core/browser/autofill_metrics.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/autofill/core/browser/autofill_metrics.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 665 matching lines @@
                             AUTOFILL_PROFILE_ACTION_ENUM_SIZE);
 }
 
 // static
 void AutofillMetrics::LogAutofillFormSubmittedState(
     AutofillFormSubmittedState state) {
   UMA_HISTOGRAM_ENUMERATION("Autofill.FormSubmittedState", state,
                             AUTOFILL_FORM_SUBMITTED_STATE_ENUM_SIZE);
 }
 
-// static
-void AutofillMetrics::LogPayloadCompressionRatio(
-    int compression_ratio,
-    AutofillDownloadManager::RequestType type) {
-  switch (type) {
-    case AutofillDownloadManager::REQUEST_QUERY:
-      UMA_HISTOGRAM_PERCENTAGE("Autofill.PayloadCompressionRatio.Query",
-                               compression_ratio);
-      break;
-    case AutofillDownloadManager::REQUEST_UPLOAD:
-      UMA_HISTOGRAM_PERCENTAGE("Autofill.PayloadCompressionRatio.Upload",
-                               compression_ratio);
-      break;
-  }
-}
-
 AutofillMetrics::FormEventLogger::FormEventLogger(bool is_for_credit_card)
     : is_for_credit_card_(is_for_credit_card),
       is_server_data_available_(false),
       is_local_data_available_(false),
       has_logged_interacted_(false),
       has_logged_suggestions_shown_(false),
       has_logged_masked_server_card_suggestion_selected_(false),
       has_logged_suggestion_filled_(false),
       has_logged_will_submit_(false),
       has_logged_submitted_(false),
@@ skipping 133 matching lines @@
   else if (is_server_data_available_ && !is_local_data_available_)
     name += ".WithOnlyServerData";
   else if (!is_server_data_available_ && is_local_data_available_)
     name += ".WithOnlyLocalData";
   else
     name += ".WithBothServerAndLocalData";
   LogUMAHistogramEnumeration(name, event, NUM_FORM_EVENTS);
 }
 
 }  // namespace autofill