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

chrome/browser/extensions/blacklist_state_fetcher.cc

Index: chrome/browser/extensions/blacklist_state_fetcher.cc
diff --git a/chrome/browser/extensions/blacklist_state_fetcher.cc b/chrome/browser/extensions/blacklist_state_fetcher.cc
index 4f881ef0a7dac2f49ea66234e786cfea5788f919..c92279d6a9142ad31538a3dad11601543d93f337 100644
--- a/chrome/browser/extensions/blacklist_state_fetcher.cc
+++ b/chrome/browser/extensions/blacklist_state_fetcher.cc
@@ -80,8 +80,9 @@ void BlacklistStateFetcher::SendRequest(const std::string& id) {
 }
 
 void BlacklistStateFetcher::SetSafeBrowsingConfig(
-    const SafeBrowsingProtocolConfig& config) {
-  safe_browsing_config_.reset(new SafeBrowsingProtocolConfig(config));
+    const safe_browsing::SafeBrowsingProtocolConfig& config) {
+  safe_browsing_config_.reset(
+      new safe_browsing::SafeBrowsingProtocolConfig(config));
 }
 
 void BlacklistStateFetcher::SetURLRequestContextForTest(
@@ -155,4 +156,3 @@ void BlacklistStateFetcher::OnURLFetchComplete(const net::URLFetcher* source) {
 }
 
 }  // namespace extensions
-