Disable Quick View by default and add about flag to enable it.

chromeos/chromeos_switches.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 "chromeos/chromeos_switches.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
@@ skipping 68 matching lines @@
 
 // Disables wallpaper boot animation (except of OOBE case).
 const char kDisableBootAnimation[] = "disable-boot-animation";
 
 // Disables cloud backup feature.
 const char kDisableCloudImport[] = "disable-cloud-import";
 
 // Disables the ChromeOS demo.
 const char kDisableDemoMode[] = "disable-demo-mode";
 
-// Disable quick view in Files app.
+// Disables quick view in Files app.
 const char kDisableFilesQuickView[] = "disable-files-quick-view";
 
 // Disable HID-detection OOBE screen.
 const char kDisableHIDDetectionOnOOBE[] = "disable-hid-detection-on-oobe";
 
 // Avoid doing expensive animations upon login.
 const char kDisableLoginAnimations[] = "disable-login-animations";
 
 // Disable new channel switcher UI.
 const char kDisableNewChannelSwitcherUI[] = "disable-new-channel-switcher-ui";
@@ skipping 33 matching lines @@
 // Enables starting the ARC instance upon session start.
 const char kEnableArc[] = "enable-arc";
 
 // Enables consumer management, which allows user to enroll, remotely lock and
 // locate the device.
 const char kEnableConsumerManagement[] = "enable-consumer-management";
 
 // Enables details panel in Files app.
 const char kEnableFilesDetailsPanel[] = "enable-files-details-panel";
 
+// Enables quick view in Files app.
+const char kEnableFilesQuickView[] = "enable-files-quick-view";
+
 // Disables notification when device is in end of life status.
 const char kDisableEolNotification[] = "disable-eol-notification";
 
 // If this switch is set, the device cannot be remotely disabled by its owner.
 const char kDisableDeviceDisabling[] = "disable-device-disabling";
 
 // If this switch is set, the new Korean IME will not be available in
 // chrome://settings/languages.
 const char kDisableNewKoreanIme[] = "disable-new-korean-ime";
 
@@ skipping 287 matching lines @@
   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
   if (!command_line->HasSwitch(kTestCrosGaiaIdMigration))
     return false;
 
   return command_line->GetSwitchValueASCII(kTestCrosGaiaIdMigration) ==
          kTestCrosGaiaIdMigrationStarted;
 }
 
 }  // namespace switches
 }  // namespace chromeos