STYLE: more consistent New methods, use unregistered IOobject where appropriate

src/surfaceFilmModels/submodels/kinematic/injectionModel/injectionModel/injectionModelNew.C

@@ -34,7 +34,10 @@ Foam::surfaceFilmModels::injectionModel::New
     const dictionary& dict
 )
 {
-    word modelType(dict.lookup("injectionModel"));
+    const word modelType
+    (
+        dict.lookup("injectionModel")
+    );
 
     Info<< "    Selecting injectionModel " << modelType << endl;
 

src/surfaceFilmModels/submodels/thermo/phaseChangeModel/phaseChangeModel/phaseChangeModelNew.C

@@ -34,7 +34,10 @@ Foam::surfaceFilmModels::phaseChangeModel::New
     const dictionary& dict
 )
 {
-    word modelType(dict.lookup("phaseChangeModel"));
+    const word modelType
+    (
+        dict.lookup("phaseChangeModel")
+    );
 
     Info<< "    Selecting phaseChangeModel " << modelType << endl;
 

src/surfaceFilmModels/surfaceFilmModel/surfaceFilmModel/surfaceFilmModelNew.C

@@ -36,10 +36,10 @@ Foam::surfaceFilmModels::surfaceFilmModel::New
     const dimensionedVector& g
 )
 {
-    word modelType;
-
-    {
-        IOdictionary surfaceFilmPropertiesDict
+    // get model name, but do not register the dictionary
+    const word modelType
+    (
+        IOdictionary
         (
             IOobject
             (
@@ -50,10 +50,8 @@ Foam::surfaceFilmModels::surfaceFilmModel::New
                 IOobject::NO_WRITE,
                 false
             )
-        );
-
-        surfaceFilmPropertiesDict.lookup("surfaceFilmModel") >> modelType;
-    }
+        ).lookup("surfaceFilmModel")
+    );
 
     Info<< "Selecting surfaceFilmModel " << modelType << endl;