Get rid of RuntimeLibraryFiles and its remaining uses

idea/src/org/jetbrains/kotlin/idea/configuration/KotlinJavaModuleConfigurator.kt

@@ -53,16 +53,6 @@ open class KotlinJavaModuleConfigurator internal constructor() : KotlinWithLibra
     override val targetPlatform: TargetPlatform
         get() = JvmPlatform
 
-    override val existingJarFiles: RuntimeLibraryFiles
-        get() {
-            val paths = PathUtil.getKotlinPathsForIdeaPlugin()
-            return RuntimeLibraryFiles(
-                    assertFileExists(paths.stdlibPath),
-                    assertFileExists(paths.reflectPath),
-                    assertFileExists(paths.runtimeSourcesPath)
-            )
-        }
-
     override val libraryJarDescriptors: List<LibraryJarDescriptor>
         get() = listOf(LibraryJarDescriptor.RUNTIME_JAR,
                        LibraryJarDescriptor.REFLECT_JAR,

idea/src/org/jetbrains/kotlin/idea/configuration/KotlinJsModuleConfigurator.java

@@ -82,17 +82,6 @@ public class KotlinJsModuleConfigurator extends KotlinWithLibraryConfigurator {
         return JSLibraryStdDescription.JAVA_SCRIPT_LIBRARY_CREATION;
     }
 
-    @NotNull
-    @Override
-    public RuntimeLibraryFiles getExistingJarFiles() {
-        KotlinPaths paths = PathUtil.getKotlinPathsForIdeaPlugin();
-        return new RuntimeLibraryFiles(
-                assertFileExists(paths.getJsStdLibJarPath()),
-                null,
-                assertFileExists(paths.getJsStdLibSrcJarPath())
-        );
-    }
-
     @NotNull
     @Override
     public List<LibraryJarDescriptor> getLibraryJarDescriptors() {

idea/src/org/jetbrains/kotlin/idea/configuration/KotlinWithLibraryConfigurator.kt

@@ -48,8 +48,6 @@ abstract class KotlinWithLibraryConfigurator internal constructor() : KotlinProj
 
     protected abstract val libraryCaption: String
 
-    abstract val existingJarFiles: RuntimeLibraryFiles
-
     override fun getStatus(module: Module): ConfigureKotlinStatus {
         if (!isApplicable(module)) {
             return ConfigureKotlinStatus.NON_APPLICABLE
@@ -235,7 +233,7 @@ abstract class KotlinWithLibraryConfigurator internal constructor() : KotlinProj
 
     protected fun needToChooseJarPath(project: Project): Boolean {
         val defaultPath = getDefaultPathToJarFile(project)
-        return !isProjectLibraryPresent(project) && !existingJarFiles.getRuntimeDestination(defaultPath).exists()
+        return !isProjectLibraryPresent(project) && !File(defaultPath, libraryJarDescriptors.first().jarName).exists()
     }
 
     protected open fun getDefaultPathToJarFile(project: Project): String {

idea/src/org/jetbrains/kotlin/idea/configuration/RuntimeLibraryFiles.kt

@@ -1,36 +0,0 @@
-/*
- * Copyright 2010-2015 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.jetbrains.kotlin.idea.configuration
-
-import java.io.File
-
-class RuntimeLibraryFiles(
-        val runtimeJar: File,
-        val reflectJar: File?,
-        val runtimeSourcesJar: File
-) {
-    fun getAllJars(): List<File> = listOfNotNull(runtimeJar, reflectJar, runtimeSourcesJar)
-
-    fun getRuntimeDestination(dirToCopyJar: String): File =
-            File(dirToCopyJar + "/" + runtimeJar.name)
-
-    fun getReflectDestination(dirToCopyJar: String): File? =
-            if (reflectJar != null) File(dirToCopyJar + "/" + reflectJar.name) else null
-
-    fun getRuntimeSourcesDestination(dirToCopyJar: String): File =
-            File(dirToCopyJar + "/" + runtimeSourcesJar.name)
-}

idea/src/org/jetbrains/kotlin/idea/framework/CustomLibraryDescriptorWithDeferredConfig.kt

@@ -176,10 +176,13 @@ abstract class CustomLibraryDescriptorWithDeferredConfig
 
     // Implements an API added in IDEA 16
     override fun createNewLibraryWithDefaultSettings(contextDirectory: VirtualFile?): NewLibraryConfiguration? {
-        return createConfiguration(collectPathsInPlugin(OrderRootType.CLASSES),
-                                   collectPathsInPlugin(OrderRootType.SOURCES))
+        return createConfigurationFromPluginPaths()
     }
 
+    fun createConfigurationFromPluginPaths() =
+            createConfiguration(collectPathsInPlugin(OrderRootType.CLASSES),
+                                collectPathsInPlugin(OrderRootType.SOURCES))
+
     private fun collectPathsInPlugin(rootType: OrderRootType): List<File> {
         return configurator.libraryJarDescriptors
                 .filter { it.orderRootType == rootType }

idea/src/org/jetbrains/kotlin/idea/framework/JSLibraryStdDescription.java

@@ -23,9 +23,7 @@ import com.intellij.openapi.roots.libraries.NewLibraryConfiguration;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.annotations.TestOnly;
 import org.jetbrains.kotlin.idea.configuration.KotlinJsModuleConfigurator;
-import org.jetbrains.kotlin.idea.configuration.RuntimeLibraryFiles;
 
-import java.util.Collections;
 import java.util.Set;
 
 import static org.jetbrains.kotlin.idea.configuration.ConfigureKotlinInProjectUtilsKt.getConfiguratorByName;
@@ -52,7 +50,6 @@ public class JSLibraryStdDescription extends CustomLibraryDescriptorWithDeferred
         KotlinJsModuleConfigurator configurator = (KotlinJsModuleConfigurator) getConfiguratorByName(NAME);
         assert configurator != null : "Cannot find configurator with name " + NAME;
 
-        RuntimeLibraryFiles files = configurator.getExistingJarFiles();
-        return createConfiguration(Collections.singletonList(files.getRuntimeJar()), files.getRuntimeSourcesJar());
+        return createConfigurationFromPluginPaths();
     }
 }