Make sure sideload wipeout doesn't interfere with the tests.

chrome/common/extensions/feature_switch.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/extensions/feature_switch.h"
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/string_util.h"
 #include "chrome/common/chrome_switches.h"
@@ skipping 13 matching lines @@
             FeatureSwitch::DEFAULT_DISABLED),
         extensions_in_action_box(
             switches::kExtensionsInActionBox,
             FeatureSwitch::DEFAULT_DISABLED),
         script_badges(
             switches::kScriptBadges,
             FeatureSwitch::DEFAULT_DISABLED),
         script_bubble(
             switches::kScriptBubble,
             FeatureSwitch::DEFAULT_DISABLED),
+        // TODO(finnur): When enabling this, only enable for OS_WIN.
         sideload_wipeout(
             switches::kSideloadWipeout,
             FeatureSwitch::DEFAULT_DISABLED),
         prompt_for_external_extensions(
             switches::kPromptForExternalExtensions,
             FeatureSwitch::DEFAULT_ENABLED)
   {
 // Disabling easy off-store installation is not yet implemented for Aura. Not
 // sure what the Aura equivalent for this UI is.
 #if defined(USE_AURA)
@@ skipping 109 matching lines @@
 
 void FeatureSwitch::SetOverrideValue(OverrideValue override_value) {
   override_value_ = override_value;
 }
 
 FeatureSwitch::OverrideValue FeatureSwitch::GetOverrideValue() const {
   return override_value_;
 }
 
 }  // namespace extensions