[Extensions] Enable the "Report Abuse" checkbox in extension 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"
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser_navigator.h"
 #include "chrome/grit/generated_resources.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/image_loader.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/extension.h"
@@ skipping 103 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 {
-  return ManifestURL::UpdatesFromGallery(extension_) &&
-      base::FieldTrialList::FindFullName("ExtensionUninstall.ReportAbuse") ==
-          "ShowCheckbox";
+  return ManifestURL::UpdatesFromGallery(extension_);
 }
 
 void ExtensionUninstallDialog::OnDialogClosed(CloseAction action) {
   // We don't want to artificially weight any of the options, so only record if
   // reporting abuse was available.
   if (ShouldShowReportAbuseCheckbox()) {
     UMA_HISTOGRAM_ENUMERATION("Extensions.UninstallDialogAction",
                               action,
                               CLOSE_ACTION_LAST);
   }
 }
 
 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