Add data reduction functionality to all platforms.

chrome/browser/chrome_browser_field_trials_mobile.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 "chrome/browser/chrome_browser_field_trials_mobile.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/common/chrome_switches.h"
-#include "chrome/common/chrome_version_info.h"
 
 #if defined(OS_ANDROID)
 #include "chrome/browser/prerender/prerender_field_trial.h"
 #endif
 
 namespace chrome {
 
-namespace {
-
-// Base function used by all data reduction proxy field trials. A trial is
-// only conducted for installs that are in the "Enabled" group. They are always
-// enabled on DEV and BETA channels, and for STABLE, a percentage will be
-// controlled from the server. Until the percentage is learned from the server,
-// a client-side configuration is used.
-void DataCompressionProxyBaseFieldTrial(
-    const char* trial_name,
-    const base::FieldTrial::Probability enabled_group_probability,
-    const base::FieldTrial::Probability total_probability) {
-  const char kEnabled[] = "Enabled";
-  const char kDisabled[] = "Disabled";
-
-  // Find out if this is a stable channel.
-  const bool kIsStableChannel =
-      chrome::VersionInfo::GetChannel() == chrome::VersionInfo::CHANNEL_STABLE;
-
-  // Experiment enabled until Jan 1, 2015. By default, disabled.
-  scoped_refptr<base::FieldTrial> trial(
-      base::FieldTrialList::FactoryGetFieldTrial(
-          trial_name,
-          total_probability,
-          kDisabled, 2015, 1, 1, base::FieldTrial::ONE_TIME_RANDOMIZED, NULL));
-
-  // Non-stable channels will run with probability 1.
-  const int kEnabledGroup = trial->AppendGroup(
-      kEnabled,
-      kIsStableChannel ? enabled_group_probability : total_probability);
-
-  const int v = trial->group();
-  VLOG(1) << trial_name <<  " enabled group id: " << kEnabledGroup
-          << ". Selected group id: " << v;
-}
-
-void DataCompressionProxyFieldTrials() {
-  // Governs the rollout of the compression proxy for Chrome on mobile
-  // platforms. In all channels, the percentage will be controlled from the
-  // server, and is configured to be 100% = 1000 / 1000 until overridden by the
-  // server.
-  DataCompressionProxyBaseFieldTrial(
-      "DataCompressionProxyRollout", 1000, 1000);
-
-  // Governs the rollout of the _promo_ for the compression proxy
-  // independently from the rollout of compression proxy. The enabled
-  // percentage is configured to be 10% = 100 / 1000 until overridden by the
-  // server. When this trial is "Enabled," users get a promo, whereas
-  // otherwise, compression is available without a promo.
-  DataCompressionProxyBaseFieldTrial(
-      "DataCompressionProxyPromoVisibility", 100, 1000);
-}
-
-}  // namespace
-
 void SetupMobileFieldTrials(const CommandLine& parsed_command_line,
                             const base::Time& install_time,
                             PrefService* local_state) {
-  DataCompressionProxyFieldTrials();
 #if defined(OS_ANDROID)
   prerender::ConfigurePrerender(parsed_command_line);
 #endif
 }
 
 }  // namespace chrome