FBTF: Move code from .h to .cc in net/

Shaves a cumulative 400k off libnet/browser.a

BUG=none
TEST=compiles

Review URL: http://codereview.chromium.org/3432004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@59533 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/net/proxy/mock_proxy_resolver.h b/net/proxy/mock_proxy_resolver.h
index 8932558..880612b 100644
--- a/net/proxy/mock_proxy_resolver.h
+++ b/net/proxy/mock_proxy_resolver.h
@@ -9,6 +9,7 @@
 #include <vector>
 
 #include "base/logging.h"
+#include "base/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/net_errors.h"