Expose privacy-relevant preferences via Chrome's extension API.

chrome/browser/extensions/extension_preference_apitest.cc

Index: chrome/browser/extensions/extension_preference_apitest.cc
diff --git a/chrome/browser/extensions/extension_preference_apitest.cc b/chrome/browser/extensions/extension_preference_apitest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..642cd7ba40981566e0fba9687b3d407a0ade795e
--- /dev/null
+++ b/chrome/browser/extensions/extension_preference_apitest.cc
@@ -0,0 +1,135 @@
+// Copyright (c) 2011 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 "base/utf_string_conversions.h"
+#include "chrome/browser/extensions/extension_apitest.h"
+#include "chrome/browser/prefs/pref_service.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/common/chrome_switches.h"
+#include "chrome/common/pref_names.h"
+#include "webkit/plugins/npapi/mock_plugin_list.h"
+
+IN_PROC_BROWSER_TEST_F(ExtensionApiTest, PreferenceApi) {
+  CommandLine::ForCurrentProcess()->AppendSwitch(
+      switches::kEnableExperimentalExtensionApis);
+
+  PrefService* pref_service = browser()->profile()->GetPrefs();
+  pref_service->SetBoolean(prefs::kAlternateErrorPagesEnabled, false);
+  pref_service->SetBoolean(prefs::kAutofillEnabled, false);
+  pref_service->SetBoolean(prefs::kBlockThirdPartyCookies, true);
+  pref_service->SetBoolean(prefs::kEnableHyperlinkAuditing, false);
+  pref_service->SetBoolean(prefs::kEnableReferrers, false);
+  pref_service->SetBoolean(prefs::kEnableTranslate, false);
+  pref_service->SetBoolean(prefs::kInstantEnabled, false);
+  pref_service->SetBoolean(prefs::kNetworkPredictionEnabled, false);
+  pref_service->SetBoolean(prefs::kSafeBrowsingEnabled, false);
+  pref_service->SetBoolean(prefs::kSearchSuggestEnabled, false);
+
+  EXPECT_TRUE(RunExtensionTest("preference/standard")) << message_;
+
+  const PrefService::Preference* pref = pref_service->FindPreference(
+      prefs::kBlockThirdPartyCookies);
+  ASSERT_TRUE(pref);
+  EXPECT_TRUE(pref->IsExtensionControlled());
+  EXPECT_TRUE(pref_service->GetBoolean(prefs::kAlternateErrorPagesEnabled));
+  EXPECT_TRUE(pref_service->GetBoolean(prefs::kAutofillEnabled));
+  EXPECT_FALSE(pref_service->GetBoolean(prefs::kBlockThirdPartyCookies));
+  EXPECT_TRUE(pref_service->GetBoolean(prefs::kEnableHyperlinkAuditing));
+  EXPECT_TRUE(pref_service->GetBoolean(prefs::kEnableReferrers));
+  EXPECT_TRUE(pref_service->GetBoolean(prefs::kEnableTranslate));
+  EXPECT_TRUE(pref_service->GetBoolean(prefs::kInstantEnabled));
+  EXPECT_TRUE(pref_service->GetBoolean(prefs::kNetworkPredictionEnabled));
+  EXPECT_TRUE(pref_service->GetBoolean(prefs::kSafeBrowsingEnabled));
+  EXPECT_TRUE(pref_service->GetBoolean(prefs::kSearchSuggestEnabled));
+}
+
+IN_PROC_BROWSER_TEST_F(ExtensionApiTest, PreferencePersistentIncognito) {
+  CommandLine::ForCurrentProcess()->AppendSwitch(
+      switches::kEnableExperimentalExtensionApis);
+
+  PrefService* prefs = browser()->profile()->GetPrefs();
+  prefs->SetBoolean(prefs::kBlockThirdPartyCookies, false);
+
+  EXPECT_TRUE(
+      RunExtensionTestIncognito("preference/persistent_incognito")) <<
+      message_;
+
+  // Setting an incognito preference should not create an incognito profile.
+  EXPECT_FALSE(browser()->profile()->HasOffTheRecordProfile());
+
+  PrefService* otr_prefs =
+      browser()->profile()->GetOffTheRecordProfile()->GetPrefs();
+  const PrefService::Preference* pref =
+      otr_prefs->FindPreference(prefs::kBlockThirdPartyCookies);
+  ASSERT_TRUE(pref);
+  EXPECT_TRUE(pref->IsExtensionControlled());
+  EXPECT_TRUE(otr_prefs->GetBoolean(prefs::kBlockThirdPartyCookies));
+
+  pref = prefs->FindPreference(prefs::kBlockThirdPartyCookies);
+  ASSERT_TRUE(pref);
+  EXPECT_FALSE(pref->IsExtensionControlled());
+  EXPECT_FALSE(prefs->GetBoolean(prefs::kBlockThirdPartyCookies));
+}
+
+IN_PROC_BROWSER_TEST_F(ExtensionApiTest, PreferenceIncognitoDisabled) {
+  CommandLine::ForCurrentProcess()->AppendSwitch(
+      switches::kEnableExperimentalExtensionApis);
+
+  EXPECT_FALSE(RunExtensionTest("preference/persistent_incognito"));
+}
+
+IN_PROC_BROWSER_TEST_F(ExtensionApiTest, PreferenceSessionOnlyIncognito) {
+  CommandLine::ForCurrentProcess()->AppendSwitch(
+      switches::kEnableExperimentalExtensionApis);
+
+  PrefService* prefs = browser()->profile()->GetPrefs();
+  prefs->SetBoolean(prefs::kBlockThirdPartyCookies, false);
+
+  EXPECT_TRUE(
+      RunExtensionTestIncognito("preference/session_only_incognito")) <<
+      message_;
+
+  EXPECT_TRUE(browser()->profile()->HasOffTheRecordProfile());
+
+  PrefService* otr_prefs =
+      browser()->profile()->GetOffTheRecordProfile()->GetPrefs();
+  const PrefService::Preference* pref =
+      otr_prefs->FindPreference(prefs::kBlockThirdPartyCookies);
+  ASSERT_TRUE(pref);
+  EXPECT_TRUE(pref->IsExtensionControlled());
+  EXPECT_FALSE(otr_prefs->GetBoolean(prefs::kBlockThirdPartyCookies));
+
+  pref = prefs->FindPreference(prefs::kBlockThirdPartyCookies);
+  ASSERT_TRUE(pref);
+  EXPECT_FALSE(pref->IsExtensionControlled());
+  EXPECT_FALSE(prefs->GetBoolean(prefs::kBlockThirdPartyCookies));
+}
+
+IN_PROC_BROWSER_TEST_F(ExtensionApiTest, PreferenceClear) {
+  CommandLine::ForCurrentProcess()->AppendSwitch(
+      switches::kEnableExperimentalExtensionApis);
+
+  PrefService* pref_service = browser()->profile()->GetPrefs();
+  pref_service->SetBoolean(prefs::kBlockThirdPartyCookies, true);
+
+  EXPECT_TRUE(RunExtensionTest("preference/clear")) << message_;
+
+  const PrefService::Preference* pref = pref_service->FindPreference(
+      prefs::kBlockThirdPartyCookies);
+  ASSERT_TRUE(pref);
+  EXPECT_FALSE(pref->IsExtensionControlled());
+  EXPECT_EQ(true, pref_service->GetBoolean(prefs::kBlockThirdPartyCookies));
+}
+
+IN_PROC_BROWSER_TEST_F(ExtensionApiTest, PreferenceOnChange) {
+  CommandLine::ForCurrentProcess()->AppendSwitch(
+      switches::kEnableExperimentalExtensionApis);
+
+  PrefService* prefs = browser()->profile()->GetPrefs();
+  prefs->SetBoolean(prefs::kBlockThirdPartyCookies, false);
+
+  EXPECT_TRUE(RunExtensionTestIncognito("preference/onchange")) <<
+      message_;
+}