Combine default constuctor away

include/cantera/thermo/CoverageDependentSurfPhase.h

@@ -52,15 +52,14 @@ namespace Cantera
 class CoverageDependentSurfPhase : public SurfPhase
 {
 public:
-    //! Default constructor
-    CoverageDependentSurfPhase();
-
     //! Construct and initialize a CoverageDependentSurfPhase ThermoPhase object
-    //! directly from an input file
-    //! @param infile name of the input file
-    //! @param id     name of the phase id in the file. If this is blank, the first
-    //!               phase in the file is used
-    explicit CoverageDependentSurfPhase(const std::string& infile,
+    //! directly from an ASCII input file
+    /*!
+     * @param infile name of the input file. If blank, an empty phase will be created.
+     * @param id     name of the phase id in the file.
+     *               If this is blank, the first phase in the file is used.
+     */
+    explicit CoverageDependentSurfPhase(const std::string& infile="",
                                         const std::string& id="");
 
     //! Set of parameters modifying SurfPhase enthalpy and entropy based on

src/thermo/CoverageDependentSurfPhase.cpp

@@ -21,18 +21,13 @@ using namespace std;
 
 namespace Cantera
 {
-CoverageDependentSurfPhase::CoverageDependentSurfPhase():
+
+CoverageDependentSurfPhase::CoverageDependentSurfPhase(const std::string& infile,
+                                                       const std::string& id_):
     m_stateNumlast(-2),
     m_theta_ref(1.0)
 {
-    setSiteDensity(1.0);
     setNDim(2);
-}
-
-CoverageDependentSurfPhase::CoverageDependentSurfPhase(const std::string& infile,
-                                                       const std::string& id_)
-{
-    CoverageDependentSurfPhase();
     initThermoFile(infile, id_);
 }