Modifications for recording whether UMA/Crash default state for iOS

chrome/common/pref_names.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/common/pref_names.h"
 
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "chrome/common/pref_font_webkit_names.h"
 
@@ skipping 1250 matching lines @@
 // them.
 const char kProfileInfoCache[] = "profile.info_cache";
 
 // Boolean that specifies whether or not crash reports are sent
 // over the network for analysis.
 #if defined(OS_ANDROID)
 const char kCrashReportingEnabled[] =
     "user_experience_metrics_crash.reporting_enabled";
 #endif
 
-// An enum value indicating the default value of the enable metrics reporting
-// checkbox shown during first-run. If it's opt-in, then the checkbox defaulted
-// to unchecked, if it's opt-out, then it defaulted to checked. This value is
-// only recorded during first-run, so older clients will not set it. The enum
-// used for the value is metrics::MetricsServiceClient::EnableMetricsDefault.
-const char kMetricsDefaultOptIn[] = "user_experience_metrics.default_opt_in";
-
 // This is the location of a list of dictionaries of plugin stability stats.
 const char kStabilityPluginStats[] =
     "user_experience_metrics.stability.plugin_stats2";
 
 // On Chrome OS, total number of non-Chrome user process crashes
 // since the last report.
 const char kStabilityOtherUserCrashCount[] =
     "user_experience_metrics.stability.other_user_crash_count";
 
 // On Chrome OS, total number of kernel crashes since the last report.
@@ skipping 886 matching lines @@
 const char kMediaRouterEnableCloudServices[] =
     "media_router.cloudservices.enabled";
 #endif  // defined(GOOGLE_CHROME_BUILD)
 // Whether or not the Media Router first run flow has been acknowledged by the
 // user.
 const char kMediaRouterFirstRunFlowAcknowledged[] =
     "media_router.firstrunflow.acknowledged";
 #endif
 
 }  // namespace prefs