Move CommandLine to base namespace.

net/test/spawned_test_server/local_test_server.h

Index: net/test/spawned_test_server/local_test_server.h
diff --git a/net/test/spawned_test_server/local_test_server.h b/net/test/spawned_test_server/local_test_server.h
index cfd2eb3baeeb308340229b6ae8b87ffda929b5a7..4537f2d7d3e5fb7a91b3c205af191709ee490ade 100644
--- a/net/test/spawned_test_server/local_test_server.h
+++ b/net/test/spawned_test_server/local_test_server.h
@@ -15,7 +15,9 @@
 #include "base/win/scoped_handle.h"
 #endif
 
+namespace base {
 class CommandLine;
+}
 
 namespace net {
 
@@ -73,7 +75,7 @@ class LocalTestServer : public BaseTestServer {
 
   // Adds the command line arguments for the Python test server to
   // |command_line|. Returns true on success.
-  virtual bool AddCommandLineArguments(CommandLine* command_line) const
+  virtual bool AddCommandLineArguments(base::CommandLine* command_line) const
       WARN_UNUSED_RESULT;
 
   // Returns the actual path of document root for test cases. This function