Refactor, move TargetPlatform to ModuleInfo

idea/ide-common/src/org/jetbrains/kotlin/caches/resolve/JsAnalyzerFacade.kt

@@ -71,7 +71,7 @@ object JsAnalyzerFacade : AnalyzerFacade<PlatformAnalysisParameters>() {
         )
         var packageFragmentProvider = container.get<ResolveSession>().packageFragmentProvider
 
-        if (moduleInfo is LibraryModuleInfo && moduleInfo.libraryPlatform == JsPlatform) {
+        if (moduleInfo is LibraryModuleInfo && moduleInfo.platform == JsPlatform) {
             val providers = moduleInfo.getLibraryRoots()
                     .flatMap { KotlinJavascriptMetadataUtils.loadMetadata(it) }
                     .filter { it.version.isCompatible() }

idea/ide-common/src/org/jetbrains/kotlin/caches/resolve/LibraryModuleInfo.kt

@@ -20,7 +20,7 @@ import org.jetbrains.kotlin.analyzer.ModuleInfo
 import org.jetbrains.kotlin.resolve.TargetPlatform
 
 interface LibraryModuleInfo : ModuleInfo {
-    val libraryPlatform: TargetPlatform
+    override val platform: TargetPlatform
 
     fun getLibraryRoots(): Collection<String>
 }