Converted IncognitoForced boolean policy into IncognitoModeAvailability enum policy.

chrome/browser/prefs/command_line_pref_store_unittest.cc

Index: chrome/browser/prefs/command_line_pref_store_unittest.cc
diff --git a/chrome/browser/prefs/command_line_pref_store_unittest.cc b/chrome/browser/prefs/command_line_pref_store_unittest.cc
index ecb81d2e6915280853f13ba1f9a3860f6085a321..712ec4f1e9da2427710fd9ed267d61485d47cfd2 100644
--- a/chrome/browser/prefs/command_line_pref_store_unittest.cc
+++ b/chrome/browser/prefs/command_line_pref_store_unittest.cc
@@ -9,6 +9,7 @@
 #include "base/string_util.h"
 #include "base/values.h"
 #include "chrome/browser/prefs/command_line_pref_store.h"
+#include "chrome/browser/prefs/incognito_mode_availability_prefs.h"
 #include "chrome/browser/prefs/proxy_config_dictionary.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
@@ -214,3 +215,28 @@ TEST(CommandLinePrefStoreTest, DisableSSLCipherSuites) {
   store3->VerifySSLCipherSuites(expected_ciphers3,
                                 arraysize(expected_ciphers3));
 }
+
+// Tests setting incognito mode availability preference using command line
+// swithces.
+TEST(CommandLinePrefStoreTest,
+     SetIncognitoModeAvailabilityPrefViaSwitch) {
+  CommandLine cl1(CommandLine::NO_PROGRAM);
+  // No switches.
+  scoped_refptr<TestCommandLinePrefStore> store1 =
+      new TestCommandLinePrefStore(&cl1);
+  const Value* actual = NULL;
+  EXPECT_EQ(PrefStore::READ_NO_VALUE,
+            store1->GetValue(prefs::kIncognitoModeAvailability, &actual));
+
+  CommandLine cl2(CommandLine::NO_PROGRAM);
+  cl2.AppendSwitch(switches::kIncognito);
+  // No switches.
+  scoped_refptr<TestCommandLinePrefStore> store2 =
+      new TestCommandLinePrefStore(&cl2);
+  actual = NULL;
+  ASSERT_EQ(PrefStore::READ_OK,
+            store2->GetValue(prefs::kIncognitoModeAvailability, &actual));
+  int result;
+  ASSERT_TRUE(actual->GetAsInteger(&result));
+  EXPECT_EQ(IncognitoModeAvailabilityPrefs::FORCED, result);
+}