Reland r223124: Don't clear existing extension-defined preferences and content settings when reload…

chrome/browser/extensions/api/content_settings/content_settings_apitest.cc

Index: chrome/browser/extensions/api/content_settings/content_settings_apitest.cc
diff --git a/chrome/browser/extensions/api/content_settings/content_settings_apitest.cc b/chrome/browser/extensions/api/content_settings/content_settings_apitest.cc
index 10fb4127985c68c0e1648dc54df9fea158246e01..dbc714aea827ea963e1a1f427b0039e337352837 100644
--- a/chrome/browser/extensions/api/content_settings/content_settings_apitest.cc
+++ b/chrome/browser/extensions/api/content_settings/content_settings_apitest.cc
@@ -4,6 +4,8 @@
 
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/content_settings/cookie_settings.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/extensions/api/content_settings/content_settings_api.h"
@@ -12,97 +14,202 @@
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
+#include "content/public/browser/notification_service.h"
 #include "content/public/browser/plugin_service.h"
 #include "content/public/common/webplugininfo.h"
+#include "content/public/test/test_utils.h"
 
-namespace extensions {
+namespace {
 
-IN_PROC_BROWSER_TEST_F(ExtensionApiTest, ContentSettings) {
-  EXPECT_TRUE(RunExtensionTest("content_settings/standard")) << message_;
-
-  HostContentSettingsMap* map =
-      browser()->profile()->GetHostContentSettingsMap();
-  CookieSettings* cookie_settings =
-      CookieSettings::Factory::GetForProfile(browser()->profile()).get();
-
-  // Check default content settings by using an unknown URL.
-  GURL example_url("http://www.example.com");
-  EXPECT_TRUE(cookie_settings->IsReadingCookieAllowed(
-      example_url, example_url));
-  EXPECT_TRUE(cookie_settings->IsSettingCookieAllowed(
-      example_url, example_url));
-  EXPECT_TRUE(cookie_settings->IsCookieSessionOnly(example_url));
-  EXPECT_EQ(CONTENT_SETTING_ALLOW,
-            map->GetContentSetting(example_url,
-                                   example_url,
-                                   CONTENT_SETTINGS_TYPE_IMAGES,
-                                   std::string()));
-  EXPECT_EQ(CONTENT_SETTING_BLOCK,
-            map->GetContentSetting(example_url,
-                                   example_url,
-                                   CONTENT_SETTINGS_TYPE_JAVASCRIPT,
-                                   std::string()));
-  EXPECT_EQ(CONTENT_SETTING_ALLOW,
-            map->GetContentSetting(example_url,
-                                   example_url,
-                                   CONTENT_SETTINGS_TYPE_PLUGINS,
-                                   std::string()));
-  EXPECT_EQ(CONTENT_SETTING_BLOCK,
-            map->GetContentSetting(example_url,
-                                   example_url,
-                                   CONTENT_SETTINGS_TYPE_POPUPS,
-                                   std::string()));
-#if 0
-  // TODO(bauerb): Enable once geolocation settings are integrated into the
-  // HostContentSettingsMap.
-  EXPECT_EQ(CONTENT_SETTING_ALLOW,
-            map->GetContentSetting(example_url,
-                                   example_url,
-                                   CONTENT_SETTINGS_TYPE_GEOLOCATION,
-                                   std::string()));
-#endif
-  EXPECT_EQ(CONTENT_SETTING_ASK,
-            map->GetContentSetting(example_url,
-                                   example_url,
-                                   CONTENT_SETTINGS_TYPE_NOTIFICATIONS,
-                                   std::string()));
-
-  // Check content settings for www.google.com
-  GURL url("http://www.google.com");
-  EXPECT_FALSE(cookie_settings->IsReadingCookieAllowed(url, url));
-  EXPECT_EQ(CONTENT_SETTING_ALLOW,
-            map->GetContentSetting(
-                url, url, CONTENT_SETTINGS_TYPE_IMAGES, std::string()));
-  EXPECT_EQ(CONTENT_SETTING_BLOCK,
-            map->GetContentSetting(
-                url, url, CONTENT_SETTINGS_TYPE_JAVASCRIPT, std::string()));
-  EXPECT_EQ(CONTENT_SETTING_BLOCK,
-            map->GetContentSetting(
-                url, url, CONTENT_SETTINGS_TYPE_PLUGINS, std::string()));
-  EXPECT_EQ(CONTENT_SETTING_ALLOW,
-            map->GetContentSetting(
-                url, url, CONTENT_SETTINGS_TYPE_POPUPS, std::string()));
-#if 0
-  EXPECT_EQ(CONTENT_SETTING_BLOCK,
-            map->GetContentSetting(
-                url, url, CONTENT_SETTINGS_TYPE_GEOLOCATION, ""));
-#endif
-  EXPECT_EQ(CONTENT_SETTING_BLOCK,
-            map->GetContentSetting(
-                url, url, CONTENT_SETTINGS_TYPE_NOTIFICATIONS, std::string()));
+void ReleaseBrowserProcessModule() {
+  g_browser_process->ReleaseModule();
 }
 
-class ContentSettingsGetResourceIdentifiersTest : public ExtensionApiTest {
+}  // namespace
+
+namespace extensions {
+
+class ExtensionContentSettingsApiTest : public ExtensionApiTest {
  public:
+  ExtensionContentSettingsApiTest() : profile_(NULL) {}
+
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     ExtensionApiTest::SetUpCommandLine(command_line);
     command_line->AppendSwitch(switches::kDisablePluginsDiscovery);
   }
+
+  virtual void SetUpOnMainThread() OVERRIDE {
+    ExtensionApiTest::SetUpOnMainThread();
+
+    // The browser might get closed later (and therefore be destroyed), so we
+    // save the profile.
+    profile_ = browser()->profile();
+
+    // Closing the last browser window also releases a module reference. Make
+    // sure it's not the last one, so the message loop doesn't quit
+    // unexpectedly.
+    g_browser_process->AddRefModule();
+  }
+
+  virtual void CleanUpOnMainThread() OVERRIDE {
+    // ReleaseBrowserProcessModule() needs to be called in a message loop, so we
+    // post a task to do it, then run the message loop.
+    base::MessageLoop::current()->PostTask(
+        FROM_HERE, base::Bind(&ReleaseBrowserProcessModule));
+    content::RunAllPendingInMessageLoop();
+
+    ExtensionApiTest::CleanUpOnMainThread();
+  }
+
+ protected:
+  void CheckContentSettingsSet() {
+    HostContentSettingsMap* map =
+        profile_->GetHostContentSettingsMap();
+    CookieSettings* cookie_settings =
+        CookieSettings::Factory::GetForProfile(profile_).get();
+
+    // Check default content settings by using an unknown URL.
+    GURL example_url("http://www.example.com");
+    EXPECT_TRUE(cookie_settings->IsReadingCookieAllowed(
+        example_url, example_url));
+    EXPECT_TRUE(cookie_settings->IsSettingCookieAllowed(
+        example_url, example_url));
+    EXPECT_TRUE(cookie_settings->IsCookieSessionOnly(example_url));
+    EXPECT_EQ(CONTENT_SETTING_ALLOW,
+              map->GetContentSetting(example_url,
+                                     example_url,
+                                     CONTENT_SETTINGS_TYPE_IMAGES,
+                                     std::string()));
+    EXPECT_EQ(CONTENT_SETTING_BLOCK,
+              map->GetContentSetting(example_url,
+                                     example_url,
+                                     CONTENT_SETTINGS_TYPE_JAVASCRIPT,
+                                     std::string()));
+    EXPECT_EQ(CONTENT_SETTING_ALLOW,
+              map->GetContentSetting(example_url,
+                                     example_url,
+                                     CONTENT_SETTINGS_TYPE_PLUGINS,
+                                     std::string()));
+    EXPECT_EQ(CONTENT_SETTING_BLOCK,
+              map->GetContentSetting(example_url,
+                                     example_url,
+                                     CONTENT_SETTINGS_TYPE_POPUPS,
+                                     std::string()));
+#if 0
+    // TODO(bauerb): Enable once geolocation settings are integrated into the
+    // HostContentSettingsMap.
+    EXPECT_EQ(CONTENT_SETTING_ALLOW,
+              map->GetContentSetting(example_url,
+                                     example_url,
+                                     CONTENT_SETTINGS_TYPE_GEOLOCATION,
+                                     std::string()));
+#endif
+    EXPECT_EQ(CONTENT_SETTING_ASK,
+              map->GetContentSetting(example_url,
+                                     example_url,
+                                     CONTENT_SETTINGS_TYPE_NOTIFICATIONS,
+                                     std::string()));
+
+    // Check content settings for www.google.com
+    GURL url("http://www.google.com");
+    EXPECT_FALSE(cookie_settings->IsReadingCookieAllowed(url, url));
+    EXPECT_EQ(CONTENT_SETTING_ALLOW,
+              map->GetContentSetting(
+                  url, url, CONTENT_SETTINGS_TYPE_IMAGES, std::string()));
+    EXPECT_EQ(CONTENT_SETTING_BLOCK,
+              map->GetContentSetting(
+                  url, url, CONTENT_SETTINGS_TYPE_JAVASCRIPT, std::string()));
+    EXPECT_EQ(CONTENT_SETTING_BLOCK,
+              map->GetContentSetting(
+                  url, url, CONTENT_SETTINGS_TYPE_PLUGINS, std::string()));
+    EXPECT_EQ(CONTENT_SETTING_ALLOW,
+              map->GetContentSetting(
+                  url, url, CONTENT_SETTINGS_TYPE_POPUPS, std::string()));
+#if 0
+    EXPECT_EQ(CONTENT_SETTING_BLOCK,
+              map->GetContentSetting(
+                  url, url, CONTENT_SETTINGS_TYPE_GEOLOCATION, std::string()));
+#endif
+    EXPECT_EQ(
+        CONTENT_SETTING_BLOCK,
+        map->GetContentSetting(
+            url, url, CONTENT_SETTINGS_TYPE_NOTIFICATIONS, std::string()));
+  }
+
+  void CheckContentSettingsDefault() {
+    HostContentSettingsMap* map =
+        profile_->GetHostContentSettingsMap();
+    CookieSettings* cookie_settings =
+        CookieSettings::Factory::GetForProfile(profile_).get();
+
+    // Check content settings for www.google.com
+    GURL url("http://www.google.com");
+    EXPECT_TRUE(cookie_settings->IsReadingCookieAllowed(url, url));
+    EXPECT_TRUE(cookie_settings->IsSettingCookieAllowed(url, url));
+    EXPECT_FALSE(cookie_settings->IsCookieSessionOnly(url));
+    EXPECT_EQ(CONTENT_SETTING_ALLOW,
+              map->GetContentSetting(
+                  url, url, CONTENT_SETTINGS_TYPE_IMAGES, std::string()));
+    EXPECT_EQ(CONTENT_SETTING_ALLOW,
+              map->GetContentSetting(
+                  url, url, CONTENT_SETTINGS_TYPE_JAVASCRIPT, std::string()));
+    EXPECT_EQ(CONTENT_SETTING_ALLOW,
+              map->GetContentSetting(
+                  url, url, CONTENT_SETTINGS_TYPE_PLUGINS, std::string()));
+    EXPECT_EQ(CONTENT_SETTING_BLOCK,
+              map->GetContentSetting(
+                  url, url, CONTENT_SETTINGS_TYPE_POPUPS, std::string()));
+#if 0
+    // TODO(bauerb): Enable once geolocation settings are integrated into the
+    // HostContentSettingsMap.
+    EXPECT_EQ(CONTENT_SETTING_ALLOW,
+              map->GetContentSetting(
+                  url, url, CONTENT_SETTINGS_TYPE_GEOLOCATION, std::string()));
+#endif
+    EXPECT_EQ(
+        CONTENT_SETTING_ASK,
+        map->GetContentSetting(
+            url, url, CONTENT_SETTINGS_TYPE_NOTIFICATIONS, std::string()));
+  }
+
+ private:
+  Profile* profile_;
 };
 
+// http://crbug.com/177163
+#if defined(OS_WIN) && !defined(NDEBUG)
+#define MAYBE_Standard DISABLED_Standard
+#else
+#define MAYBE_Standard Standard
+#endif
+IN_PROC_BROWSER_TEST_F(ExtensionContentSettingsApiTest, MAYBE_Standard) {
+  CheckContentSettingsDefault();
+
+  const char kExtensionPath[] = "content_settings/standard";
+
+  EXPECT_TRUE(RunExtensionSubtest(kExtensionPath, "test.html")) << message_;
+  CheckContentSettingsSet();
+
+  // The settings should not be reset when the extension is reloaded.
+  ReloadExtension(last_loaded_extension_id_);
+  CheckContentSettingsSet();
+
+  // Uninstalling and installing the extension (without running the test that
+  // calls the extension API) should clear the settings.
+  content::WindowedNotificationObserver observer(
+      chrome::NOTIFICATION_EXTENSION_UNINSTALLED,
+      content::NotificationService::AllSources());
+  UninstallExtension(last_loaded_extension_id_);
+  observer.Wait();
+  CheckContentSettingsDefault();
+
+  LoadExtension(test_data_dir_.AppendASCII(kExtensionPath));
+  CheckContentSettingsDefault();
+}
+
 // Flaky on the trybots. See http://crbug.com/96725.
-IN_PROC_BROWSER_TEST_F(ContentSettingsGetResourceIdentifiersTest,
-                       DISABLED_Test) {
+IN_PROC_BROWSER_TEST_F(ExtensionContentSettingsApiTest,
+                       DISABLED_GetResourceIdentifiers) {
   base::FilePath::CharType kFooPath[] =
       FILE_PATH_LITERAL("/plugins/foo.plugin");
   base::FilePath::CharType kBarPath[] =