Remove the extensions-update-frequency command line flag.

Metrics indicate this flag is not being used.

Bug: 357781
Change-Id: I138151e4726b2c8e3c9a6b59dccb8e37b123063b
Reviewed-on: https://chromium-review.googlesource.com/946670
Commit-Queue: David Bertoni <[email protected]>
Reviewed-by: Devlin <[email protected]>
Reviewed-by: Ilya Sherman <[email protected]>
Cr-Commit-Position: refs/heads/master@{#544231}
diff --git a/chrome/browser/extensions/extension_service.cc b/chrome/browser/extensions/extension_service.cc
index e9049604..60dc6c0 100644
--- a/chrome/browser/extensions/extension_service.cc
+++ b/chrome/browser/extensions/extension_service.cc
@@ -325,22 +325,9 @@
 
   // Set up the ExtensionUpdater.
   if (autoupdate_enabled) {
-    int update_frequency = extensions::kDefaultUpdateFrequencySeconds;
-    bool is_extensions_update_frequency_switch_used =
-        command_line->HasSwitch(switches::kExtensionsUpdateFrequency);
-    if (is_extensions_update_frequency_switch_used) {
-      base::StringToInt(command_line->GetSwitchValueASCII(
-          switches::kExtensionsUpdateFrequency),
-          &update_frequency);
-    }
-    UMA_HISTOGRAM_BOOLEAN("Extensions.UpdateFrequencyCommandLineFlagIsUsed",
-                          is_extensions_update_frequency_switch_used);
     updater_.reset(new extensions::ExtensionUpdater(
-        this,
-        extension_prefs,
-        profile->GetPrefs(),
-        profile,
-        update_frequency,
+        this, extension_prefs, profile->GetPrefs(), profile,
+        extensions::kDefaultUpdateFrequencySeconds,
         extensions::ExtensionsBrowserClient::Get()->GetExtensionCache(),
         base::Bind(ChromeExtensionDownloaderFactory::CreateForProfile,
                    profile)));