Delete JvmClassName.byClassDescriptor

It only worked correctly by coincidence: mapping from the Kotlin world to the
JVM world should always be done through JetTypeMapper

compiler/backend/src/org/jetbrains/jet/codegen/ClosureCodegen.java

@@ -103,7 +103,7 @@ public class ClosureCodegen extends GenerationStateAware {
         }
         else {
             interfaceFunction = SingleAbstractMethodUtils.getAbstractMethodOfSamInterface(samInterface);
-            superInterfaces = new String[] {JvmClassName.byClassDescriptor(samInterface).getInternalName()};
+            superInterfaces = new String[] { typeMapper.mapType(samInterface).getInternalName() };
         }
 
         cv.defineClass(fun,

compiler/backend/src/org/jetbrains/jet/codegen/ImplementationBodyCodegen.java

@@ -1095,6 +1095,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
 
                 //This field are always static and final so if it has constant initializer don't do anything in clinit,
                 //field would be initialized via default value in v.newField(...) - see JVM SPEC Ch.4
+                // TODO: test this code
                 if (state.getClassBuilderMode() == ClassBuilderMode.FULL && propertyInfo.defaultValue == null) {
                     ExpressionCodegen codegen = createOrGetClInitCodegen();
                     int classObjectIndex = putClassObjectInLocalVar(codegen);
@@ -1122,7 +1123,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
         ExpressionCodegen codegen = createOrGetClInitCodegen();
         StackValue property = codegen.intermediateValueForProperty(propertyDescriptor, false, null);
         property.put(property.type, codegen.v);
-        StackValue.Field field = StackValue.field(property.type, JvmClassName.byClassDescriptor(descriptor),
+        StackValue.Field field = StackValue.field(property.type, JvmClassName.byType(classAsmType),
                                                   propertyDescriptor.getName().asString(), true);
         field.store(field.type, codegen.v);
     }

compiler/backend/src/org/jetbrains/jet/codegen/SamWrapperCodegen.java

@@ -70,7 +70,7 @@ public class SamWrapperCodegen extends GenerationStateAware {
                        name.getInternalName(),
                        null,
                        OBJECT_TYPE.getInternalName(),
-                       new String[]{JvmClassName.byClassDescriptor(samInterface).getInternalName()}
+                       new String[]{ typeMapper.mapType(samInterface).getInternalName() }
         );
         cv.visitSource(file.getName(), null);