Enable overview mode by default.

BUG=284891
TEST=Alt-tab and F5 button will enter overview mode without a flag.

Review URL: https://chromiumcodereview.appspot.com/23534041

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@221297 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index 7c63841..341f798b 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -1016,11 +1016,11 @@
     SINGLE_VALUE_TYPE(switches::kDisableMinimizeOnSecondLauncherItemClick)
   },
   {
-    "enable-overview-mode",
-    IDS_FLAGS_OVERVIEW_MODE_NAME,
-    IDS_FLAGS_OVERVIEW_MODE_DESCRIPTION,
+    "disable-overview-mode",
+    IDS_FLAGS_DISABLE_OVERVIEW_MODE_NAME,
+    IDS_FLAGS_DISABLE_OVERVIEW_MODE_DESCRIPTION,
     kOsCrOS,
-    SINGLE_VALUE_TYPE(ash::switches::kAshEnableOverviewMode)
+    SINGLE_VALUE_TYPE(ash::switches::kAshDisableOverviewMode)
   },
   {
     "show-touch-hud",