Skeleton mechanical impl. for the RecoveryImprovedComponent.

components/component_updater/configurator_impl.cc

Index: components/component_updater/configurator_impl.cc
diff --git a/components/component_updater/configurator_impl.cc b/components/component_updater/configurator_impl.cc
index 1da87add716765eaa3a4104ea808b6ae15c37246..001594defa50e6da8ab85ffe1166d85d54eb14d0 100644
--- a/components/component_updater/configurator_impl.cc
+++ b/components/component_updater/configurator_impl.cc
@@ -54,6 +54,8 @@ const char kSwitchDisableDeltaUpdates[] = "disable-delta-updates";
 const char kSwitchDisableBackgroundDownloads[] = "disable-background-downloads";
 #endif  // defined(OS_WIN)
 
+const char kSwitchEnableImprovedRecovery[] = "enable-improved-recovery";
+
 // Returns true if and only if |test| is contained in |vec|.
 bool HasSwitchValue(const std::vector<std::string>& vec, const char* test) {
   if (vec.empty())
@@ -92,7 +94,8 @@ ConfiguratorImpl::ConfiguratorImpl(
       pings_enabled_(false),
       deltas_enabled_(false),
       background_downloads_enabled_(false),
-      require_encryption_(require_encryption) {
+      require_encryption_(require_encryption),
+      enabled_improved_recovery_(false) {
   // Parse comma-delimited debug flags.
   std::vector<std::string> switch_values = base::SplitString(
       cmdline->GetSwitchValueASCII(switches::kComponentUpdater), ",",
@@ -100,7 +103,8 @@ ConfiguratorImpl::ConfiguratorImpl(
   fast_update_ = HasSwitchValue(switch_values, kSwitchFastUpdate);
   pings_enabled_ = !HasSwitchValue(switch_values, kSwitchDisablePings);
   deltas_enabled_ = !HasSwitchValue(switch_values, kSwitchDisableDeltaUpdates);
-
+  enabled_improved_recovery_ =
+      HasSwitchValue(switch_values, kSwitchEnableImprovedRecovery);
 #if defined(OS_WIN)
   background_downloads_enabled_ =
       !HasSwitchValue(switch_values, kSwitchDisableBackgroundDownloads);
@@ -196,4 +200,12 @@ bool ConfiguratorImpl::EnabledCupSigning() const {
   return true;
 }
 
+bool ConfiguratorImpl::EnabledImprovedRecovery() const {
+#if defined(OS_WIN) || defined(OS_MACOSX)
+  return enabled_improved_recovery_;
+#else
+  return false;
+#endif
+}
+
 }  // namespace component_updater