net: Use stl utilities from the base namespace

net/spdy/spdy_session_pool.cc

Index: net/spdy/spdy_session_pool.cc
diff --git a/net/spdy/spdy_session_pool.cc b/net/spdy/spdy_session_pool.cc
index babda51a93b226b4b3bc420bd21c5ca9af664728..eeacf6edb374c1ab6b386a8cc8a9911f168ff497 100644
--- a/net/spdy/spdy_session_pool.cc
+++ b/net/spdy/spdy_session_pool.cc
@@ -194,7 +194,7 @@ base::WeakPtr<SpdySession> SpdySessionPool::FindAvailableSession(
 
     const base::WeakPtr<SpdySession>& available_session =
         available_session_it->second;
-    DCHECK(ContainsKey(sessions_, available_session.get()));
+    DCHECK(base::ContainsKey(sessions_, available_session.get()));
     // If the session is a secure one, we need to verify that the
     // server is authenticated to serve traffic for |host_port_proxy_pair| too.
     if (!available_session->VerifyDomainAuthentication(
@@ -273,7 +273,7 @@ void SpdySessionPool::RegisterUnclaimedPushedStream(
     base::WeakPtr<SpdySession> spdy_session) {
   DCHECK(!url.is_empty());
   // This SpdySessionPool  must own |spdy_session|.
-  DCHECK(ContainsKey(sessions_, spdy_session.get()));
+  DCHECK(base::ContainsKey(sessions_, spdy_session.get()));
   UnclaimedPushedStreamMap::iterator url_it =
       unclaimed_pushed_streams_.lower_bound(url);
   if (url_it == unclaimed_pushed_streams_.end() || url_it->first != url) {
@@ -384,7 +384,7 @@ bool SpdySessionPool::IsSessionAvailable(
 void SpdySessionPool::MapKeyToAvailableSession(
     const SpdySessionKey& key,
     const base::WeakPtr<SpdySession>& session) {
-  DCHECK(ContainsKey(sessions_, session.get()));
+  DCHECK(base::ContainsKey(sessions_, session.get()));
   std::pair<AvailableSessionMap::iterator, bool> result =
       available_sessions_.insert(std::make_pair(key, session));
   CHECK(result.second);