shill: Move remaining mock constructors/destructors to .cc.

Non-scientific experiment of 'FEATURES=test emerge-x86-mario -1 shill' shows
real time reduction from 77 seconds to 59 seconds.

BUG=chromium-os:19691
TEST=unit tests

Change-Id: Iba905587cce64648bebc69d03fe9ecb3a3a8b90e
Reviewed-on: http://gerrit.chromium.org/gerrit/6793
Tested-by: Darin Petkov <petkov@chromium.org>
Reviewed-by: mukesh agrawal <quiche@chromium.org>
diff --git a/mock_modem_proxy.h b/mock_modem_proxy.h
index e203433..8d3de6e 100644
--- a/mock_modem_proxy.h
+++ b/mock_modem_proxy.h
@@ -5,6 +5,7 @@
 #ifndef SHILL_MOCK_MODEM_PROXY_H_
 #define SHILL_MOCK_MODEM_PROXY_H_
 
+#include <base/basictypes.h>
 #include <gmock/gmock.h>
 
 #include "shill/modem_proxy_interface.h"
@@ -13,8 +14,14 @@
 
 class MockModemProxy : public ModemProxyInterface {
  public:
+  MockModemProxy();
+  virtual ~MockModemProxy();
+
   MOCK_METHOD1(Enable, void(const bool enable));
   MOCK_METHOD0(GetInfo, Info());
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MockModemProxy);
 };
 
 }  // namespace shill