arc: Add IsArcAllowedInAppListForProfile.

chrome/browser/chromeos/arc/arc_util.h

Index: chrome/browser/chromeos/arc/arc_util.h
diff --git a/chrome/browser/chromeos/arc/arc_util.h b/chrome/browser/chromeos/arc/arc_util.h
index e3ea4895e16cee5b0b8bb0e714731091e1b39586..93371edc8efa01316004fc2a823642b7d7da1659 100644
--- a/chrome/browser/chromeos/arc/arc_util.h
+++ b/chrome/browser/chromeos/arc/arc_util.h
@@ -26,6 +26,19 @@ namespace arc {
 // nullptr can be safely passed to this function. In that case, returns false.
 bool IsArcAllowedForProfile(const Profile* profile);
 
+// Returns true if ARC app is allowed to show up on app list for the given
+// profile. This can be a looser condition than IsArcAllowedForProfile.
+// ARC may be temporaliry disallowed for the profile, but it may become again
+// avaiable after the user's action. ARC app list can stay there to ease the
+// user (by showing apps not gone) and to give a guide for the action.
+bool IsArcAllowedInAppListForProfile(const Profile* profile);
+
+// Returns true if the profile is already marked to be on a filesystem
+// compatible to the currently installed ARC version. The check almost never
+// is meaningful on test workstation. Usually it should be checked only when
+// running on the real Chrome OS.
+bool IsProfileVerifiedToBeOnArcCompatibleFilesystem(const Profile* profile);

[hidehiko, 2017/04/10 08:50:55]

Functions here is started with "Be-verb + Arc", how about following it?
E.g. IsArcCompatibleFileSystemUsedForProfile()?

[kinaba, 2017/04/10 09:13:01]

Done.

+
 // Disallows ARC for all profiles for testing.
 // In most cases, disabling ARC should be done via commandline. However,
 // there are some cases to be tested where ARC is available, but ARC is not