Introduce profile for lock screen apps

chrome/browser/chromeos/profiles/profile_helper.cc

Index: chrome/browser/chromeos/profiles/profile_helper.cc
diff --git a/chrome/browser/chromeos/profiles/profile_helper.cc b/chrome/browser/chromeos/profiles/profile_helper.cc
index 5bc7736b5b63f2d949bdc4add2f21bcdfbaaca26..07ac1adedfe13fb20e9c0bc999a599450d535c86 100644
--- a/chrome/browser/chromeos/profiles/profile_helper.cc
+++ b/chrome/browser/chromeos/profiles/profile_helper.cc
@@ -42,6 +42,9 @@ namespace {
 // As defined in /chromeos/dbus/cryptohome_client.cc.
 static const char kUserIdHashSuffix[] = "-hash";
 
+// The name for the lock screen app profile.
+static const char kLockScreenAppProfileName[] = "LockScreenAppsProfile";
+
 bool ShouldAddProfileDirPrefix(const std::string& user_id_hash) {
   // Do not add profile dir prefix for legacy profile dir and test
   // user profile. The reason of not adding prefix for test user profile
@@ -170,6 +173,24 @@ bool ProfileHelper::IsSigninProfile(const Profile* profile) {
          profile->GetPath().BaseName().value() == chrome::kInitialProfile;
 }
 
+// static
+bool ProfileHelper::IsLockScreenAppProfile(const Profile* profile) {
+  return profile &&
+         profile->GetPath().BaseName().value() == kLockScreenAppProfileName;
+}
+
+// static
+base::FilePath ProfileHelper::GetLockScreenAppProfilePath() {
+  ProfileManager* profile_manager = g_browser_process->profile_manager();
+  return profile_manager->user_data_dir().AppendASCII(
+      kLockScreenAppProfileName);
+}
+
+// static
+std::string ProfileHelper::GetLockScreenAppProfileName() {
+  return kLockScreenAppProfileName;
+}
+
 // static
 bool ProfileHelper::IsOwnerProfile(const Profile* profile) {
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
@@ -358,8 +379,10 @@ const user_manager::User* ProfileHelper::GetUserByProfile(
   DCHECK(!content::BrowserThread::IsThreadInitialized(
              content::BrowserThread::UI) ||
          content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
-  if (ProfileHelper::IsSigninProfile(profile))
-    return NULL;
+  if (ProfileHelper::IsSigninProfile(profile) ||
+      ProfileHelper::IsLockScreenAppProfile(profile)) {
+    return nullptr;
+  }
 
   user_manager::UserManager* user_manager = user_manager::UserManager::Get();