Add ::Leaky to the LazyInstance<SafeBrowsingServiceFactoryImpl> in

safe_browsing_service.cc.  Hopefully this will fix the "pure virtual method
called" errors seen in various ExtensionService tests that use safe browsing;
both those reverted as part of bug 233290, and the ones that are still live.

BUG=233290
R=jyasskin@chromium.org
TBR=shess@chromium.org

Review URL: https://codereview.chromium.org/60833007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233426 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/extensions/extension_service_unittest.cc

@@ -3389,9 +3389,7 @@ TEST_F(ExtensionServiceTest, SetUnsetBlacklistInPrefs) {
 
 #if defined(ENABLE_BLACKLIST_TESTS)
 // Tests trying to install a blacklisted extension.
-// Disabled due to http://crbug.com/315396
-TEST_F(ExtensionServiceTest,
-       DISABLED_BlacklistedExtensionWillNotInstall) {
+TEST_F(ExtensionServiceTest, BlacklistedExtensionWillNotInstall) {
   scoped_refptr<FakeSafeBrowsingDatabaseManager> blacklist_db(
       new FakeSafeBrowsingDatabaseManager(true));
   Blacklist::ScopedDatabaseManagerForTest scoped_blacklist_db(blacklist_db);
@@ -3446,9 +3444,7 @@ TEST_F(ExtensionServiceTest, UnloadBlacklistedExtensionPolicy) {
 #if defined(ENABLE_BLACKLIST_TESTS)
 // Tests that a blacklisted extension is eventually unloaded on startup, if it
 // wasn't already.
-// Disabled due to http://crbug.com/315396
-TEST_F(ExtensionServiceTest,
-       DISABLED_WillNotLoadBlacklistedExtensionsFromDirectory) {
+TEST_F(ExtensionServiceTest, WillNotLoadBlacklistedExtensionsFromDirectory) {
   scoped_refptr<FakeSafeBrowsingDatabaseManager> blacklist_db(
       new FakeSafeBrowsingDatabaseManager(true));
   Blacklist::ScopedDatabaseManagerForTest scoped_blacklist_db(blacklist_db);

chrome/browser/safe_browsing/safe_browsing_service.cc

@@ -142,7 +142,7 @@ class SafeBrowsingServiceFactoryImpl : public SafeBrowsingServiceFactory {
   DISALLOW_COPY_AND_ASSIGN(SafeBrowsingServiceFactoryImpl);
 };
 
-static base::LazyInstance<SafeBrowsingServiceFactoryImpl>
+static base::LazyInstance<SafeBrowsingServiceFactoryImpl>::Leaky
     g_safe_browsing_service_factory_impl = LAZY_INSTANCE_INITIALIZER;
 
 // static