Switch TriggeredResets to default to On.

chrome/browser/profile_resetter/triggered_profile_resetter_win.cc

 // Copyright 2015 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/profile_resetter/triggered_profile_resetter.h"
 
 #include <stdint.h>
 
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 16 matching lines @@
 // aware of and maintain changes to Chrome's channel logic.
 const wchar_t kTriggeredResetRegistryPath[] =
     L"Software\\" PRODUCT_NAME L"\\TriggeredReset";
 
 const wchar_t kTriggeredResetToolName[] = L"ToolName";
 const wchar_t kTriggeredResetTimestamp[] = L"Timestamp";
 
 namespace {
 
 const char kTriggeredResetFieldTrialName[] = "TriggeredResetFieldTrial";
-const char kTriggeredResetOnGroup[] = "On";
+const char kTriggeredResetOffGroup[] = "Off";
 
-bool IsInTriggeredResetFieldTrial() {
+bool IsDisabledByFieldTrial() {
   return base::FieldTrialList::FindFullName(kTriggeredResetFieldTrialName) ==
-         kTriggeredResetOnGroup;
+         kTriggeredResetOffGroup;
 }
 
 }  // namespace
 
 void TriggeredProfileResetter::Activate() {
   activate_called_ = true;
 
   // System profiles don't contain user settings and bail out if we're not in
   // the field trial.
-  if (!profile_ || profile_->IsSystemProfile() ||
-      !IsInTriggeredResetFieldTrial()) {
+  if (!profile_ || profile_->IsSystemProfile() || IsDisabledByFieldTrial()) {
     UMA_HISTOGRAM_BOOLEAN("Profile.TriggeredReset", false);
     return;
   }
 
   int64_t timestamp = 0;
   base::win::RegKey reset_reg_key(HKEY_CURRENT_USER,
                                   kTriggeredResetRegistryPath, KEY_QUERY_VALUE);
 
   if (!reset_reg_key.Valid() ||
       reset_reg_key.ReadInt64(kTriggeredResetTimestamp, &timestamp) !=
@@ skipping 23 matching lines @@
       DVLOG(1) << "Failed to read triggered profile reset tool name.";
     } else if (tool_name_.length() > kMaxToolNameLength) {
       tool_name_.resize(kMaxToolNameLength);
     }
 
     pref_service->SetInt64(prefs::kLastProfileResetTimestamp, timestamp);
   }
 
   UMA_HISTOGRAM_BOOLEAN("Profile.TriggeredReset", has_reset_trigger_);
 }