Move MessageLoop to base namespace.

remoting/protocol/fake_session.h

Index: remoting/protocol/fake_session.h
diff --git a/remoting/protocol/fake_session.h b/remoting/protocol/fake_session.h
index 1d4519f9416365ce01d0becdd1912ebef928b6d0..ec4031dace5f934afd57de5dfd320c734e9e4db1 100644
--- a/remoting/protocol/fake_session.h
+++ b/remoting/protocol/fake_session.h
@@ -17,7 +17,9 @@
 #include "remoting/protocol/channel_factory.h"
 #include "remoting/protocol/session.h"
 
+namespace base {
 class MessageLoop;
+}
 
 namespace remoting {
 namespace protocol {
@@ -100,7 +102,7 @@ class FakeSocket : public net::StreamSocket {
 
   net::BoundNetLog net_log_;
 
-  MessageLoop* message_loop_;
+  base::MessageLoop* message_loop_;
   base::WeakPtrFactory<FakeSocket> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeSocket);
@@ -140,7 +142,7 @@ class FakeUdpSocket : public net::Socket {
   std::vector<std::string> input_packets_;
   int input_pos_;
 
-  MessageLoop* message_loop_;
+  base::MessageLoop* message_loop_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeUdpSocket);
 };
@@ -197,7 +199,7 @@ class FakeSession : public Session,
   EventHandler* event_handler_;
   scoped_ptr<const CandidateSessionConfig> candidate_config_;
   SessionConfig config_;
-  MessageLoop* message_loop_;
+  base::MessageLoop* message_loop_;
 
   bool async_creation_;