Move TestSafeBrowsingService* to anonymous namespace

chrome/browser/download/download_browsertest.cc

Index: chrome/browser/download/download_browsertest.cc
diff --git a/chrome/browser/download/download_browsertest.cc b/chrome/browser/download/download_browsertest.cc
index 00954d212feb5905851d866209819017b0ce9686..391625edd84df479998dc4907ff650cfbe9e2a53 100644
--- a/chrome/browser/download/download_browsertest.cc
+++ b/chrome/browser/download/download_browsertest.cc
@@ -1077,6 +1077,8 @@ class DownloadTest : public InProcessBrowserTest {
   scoped_ptr<DownloadTestFileActivityObserver> file_activity_observer_;
 };
 
+namespace {
+
 class FakeDownloadProtectionService
     : public safe_browsing::DownloadProtectionService {
  public:
@@ -1152,6 +1154,8 @@ class DownloadTestWithFakeSafeBrowsing : public DownloadTest {
   scoped_ptr<TestSafeBrowsingServiceFactory> test_safe_browsing_factory_;
 };
 
+}  // namespace
+
 // NOTES:
 //
 // Files for these tests are found in DIR_TEST_DATA (currently