Move code in components/safe_browsing_db and chrome/browser/s_b/ under the safe_browsing namespace.

chrome/browser/safe_browsing/remote_database_manager_unittest.cc

Index: chrome/browser/safe_browsing/remote_database_manager_unittest.cc
diff --git a/chrome/browser/safe_browsing/remote_database_manager_unittest.cc b/chrome/browser/safe_browsing/remote_database_manager_unittest.cc
index 56ce0afa88091239281542b40f51474fc3ca8042..bf524c8b220d80b9dd1d640134663e2fa3fa7b91 100644
--- a/chrome/browser/safe_browsing/remote_database_manager_unittest.cc
+++ b/chrome/browser/safe_browsing/remote_database_manager_unittest.cc
@@ -12,7 +12,7 @@
 #include "components/variations/variations_associated_data.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace {
+namespace safe_browsing {
 
 class TestSafeBrowsingApiHandler : public SafeBrowsingApiHandler {
  public:
@@ -95,4 +95,4 @@ TEST_F(RemoteDatabaseManagerTest, TypesToCheckFromTrial) {
   EXPECT_TRUE(db_->CanCheckResourceType(content::RESOURCE_TYPE_WORKER));
 }
 
-}  // namespace
+}  // namespace safe_browsing