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

chrome/browser/safe_browsing/local_two_phase_testserver.h

Index: chrome/browser/safe_browsing/local_two_phase_testserver.h
diff --git a/chrome/browser/safe_browsing/local_two_phase_testserver.h b/chrome/browser/safe_browsing/local_two_phase_testserver.h
index 1614521e9624fac31ae4da86d08363cf486d13ee..6d0223f89f092d296491095aaae9a534bc8adbd9 100644
--- a/chrome/browser/safe_browsing/local_two_phase_testserver.h
+++ b/chrome/browser/safe_browsing/local_two_phase_testserver.h
@@ -10,6 +10,8 @@
 #include "base/files/file_path.h"
 #include "net/test/spawned_test_server/local_test_server.h"
 
+namespace safe_browsing {
+
 // Runs a Python-based two phase upload test server on the same machine in which
 // the LocalTwoPhaseTestServer runs.
 class LocalTwoPhaseTestServer : public net::LocalTestServer {
@@ -26,5 +28,7 @@ class LocalTwoPhaseTestServer : public net::LocalTestServer {
   DISALLOW_COPY_AND_ASSIGN(LocalTwoPhaseTestServer);
 };
 
+}  // namespace safe_browsing
+
 #endif  // CHROME_BROWSER_SAFE_BROWSING_LOCAL_TWO_PHASE_TESTSERVER_H_