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

chrome/browser/safe_browsing/srt_global_error_win.cc

Index: chrome/browser/safe_browsing/srt_global_error_win.cc
diff --git a/chrome/browser/safe_browsing/srt_global_error_win.cc b/chrome/browser/safe_browsing/srt_global_error_win.cc
index 5f1cd482e04fe2fb60040d66865926dbb2e68dcf..022c45ddfedecab2ad44230bf83e6fe55e3a1c6f 100644
--- a/chrome/browser/safe_browsing/srt_global_error_win.cc
+++ b/chrome/browser/safe_browsing/srt_global_error_win.cc
@@ -29,6 +29,8 @@ using base::SingleThreadTaskRunner;
 using base::ThreadTaskRunnerHandle;
 using content::BrowserThread;
 
+namespace safe_browsing {
+
 namespace {
 
 // Used as a backup plan in case the SRT executable was not successfully
@@ -218,3 +220,5 @@ void SRTGlobalError::DestroySelf() {
                                                false);
   delete this;
 }
+
+}  // namespace safe_browsing