Files.app: Flip the flag and enable MTP support by default.

chrome/browser/about_flags.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/browser/about_flags.h"
 
 #include <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 409 matching lines @@
 // associate the version with a FieldTrial. FieldTrials don't currently support
 // flag=value flags.
 const Experiment::Choice kMalwareInterstitialVersions[] = {
   { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" },
   { IDS_FLAGS_MALWARE_INTERSTITIAL_VERSION_V2,
     switches::kMalwareInterstitialVersionV2, "" },
   { IDS_FLAGS_MALWARE_INTERSTITIAL_VERSION_V3,
     switches::kMalwareInterstitialVersionV3, "" },
 };
 
+#if defined(OS_CHROMEOS)
+const Experiment::Choice kEnableFileManagerMTPChoices[] = {
+  { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" },
+  { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED,
+    chromeos::switches::kEnableFileManagerMTP, "true" },
+  { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED,
+    chromeos::switches::kEnableFileManagerMTP, "false" }
+};
+#endif
+
 // RECORDING USER METRICS FOR FLAGS:
 // -----------------------------------------------------------------------------
 // The first line of the experiment is the internal name. If you'd like to
 // gather statistics about the usage of your flag, you should append a marker
 // comment to the end of the feature name, like so:
 //   "my-special-feature",  // FLAGS:RECORD_UMA
 //
 // After doing that, run
 //   tools/metrics/actions/extract_actions.py
 // to add the metric to actions.xml (which will enable UMA to record your
@@ skipping 1337 matching lines @@
     IDS_FLAGS_DISABLE_EMBEDDED_SHARED_WORKER_DESCRIPTION,
     kOsDesktop,
     SINGLE_VALUE_TYPE(switches::kDisableEmbeddedSharedWorker)
   },
 #if defined(OS_CHROMEOS)
   {
     "enable-filemanager-mtp",
     IDS_FLAGS_ENABLE_FILE_MANAGER_MTP_NAME,
     IDS_FLAGS_ENABLE_FILE_MANAGER_MTP_DESCRIPTION,
     kOsCrOS,
-    SINGLE_VALUE_TYPE(chromeos::switches::kEnableFileManagerMTP)
+    MULTI_VALUE_TYPE(kEnableFileManagerMTPChoices)
   },
 #endif
   // TODO(tyoshino): Remove this temporary flag and command line switch. See
   // crbug.com/366483 for the target milestone.
   {
     "allow-insecure-websocket-from-https-origin",
     IDS_FLAGS_ALLOW_INSECURE_WEBSOCKET_FROM_HTTPS_ORIGIN_NAME,
     IDS_FLAGS_ALLOW_INSECURE_WEBSOCKET_FROM_HTTPS_ORIGIN_DESCRIPTION,
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kAllowInsecureWebSocketFromHttpsOrigin)
@@ skipping 604 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags