[Extensions] Adjust field trial for reporting abuse on uninstall

chrome/browser/extensions/extension_uninstall_dialog.cc

 // Copyright (c) 2012 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/extensions/extension_uninstall_dialog.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/field_trial.h"
@@ skipping 111 matching lines @@
     return l10n_util::GetStringFUTF8(
         IDS_EXTENSION_PROGRAMMATIC_UNINSTALL_PROMPT_HEADING,
         base::UTF8ToUTF16(triggering_extension_->name()),
         base::UTF8ToUTF16(extension_->name()));
   }
   return l10n_util::GetStringFUTF8(IDS_EXTENSION_UNINSTALL_PROMPT_HEADING,
                                    base::UTF8ToUTF16(extension_->name()));
 }
 
 bool ExtensionUninstallDialog::ShouldShowReportAbuseCheckbox() const {
-  static const char kExperimentName[] = "ExtensionUninstall.ReportAbuse";
-  static const char kDefaultGroupName[] = "Default";
-  static const char kShowCheckboxGroup[] = "ShowCheckbox";
-
-  // Important: Only initialize the trial once.
-  if (!base::FieldTrialList::Find(kExperimentName)) {
-    // TODO(devlin): Turn on this field trial. See crbug.com/441377.
-    scoped_refptr<base::FieldTrial> trial(
-        base::FieldTrialList::FactoryGetFieldTrial(
-            kExperimentName,
-            100,  // Total probability.
-            kDefaultGroupName,
-            2015, 7, 31,  // End date.
-            base::FieldTrial::ONE_TIME_RANDOMIZED,
-            nullptr));
-    trial->AppendGroup(kShowCheckboxGroup, 0);
-  }
-
-  return base::FieldTrialList::FindFullName(kExperimentName) ==
-      kShowCheckboxGroup;
+  return base::FieldTrialList::FindFullName("ExtensionUninstall.ReportAbuse") ==
+      "ShowCheckbox";
 }
 
 void ExtensionUninstallDialog::HandleReportAbuse() {
   chrome::NavigateParams params(
       profile_,
       extension_urls::GetWebstoreReportAbuseUrl(extension_->id()),
       ui::PAGE_TRANSITION_LINK);
   params.disposition = NEW_FOREGROUND_TAB;
   chrome::Navigate(&params);
 }
 
 }  // namespace extensions