Replaced Usage of PathUtil.jarFileToVirtualFile() to PathUtil.jarFileOrDirectoryToVirtualFile(), removed the former.

compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/CompilerDependencies.java

@@ -85,7 +85,7 @@ public class CompilerDependencies {
     @NotNull
     public List<VirtualFile> getJdkHeaderRoots() {
         if (compilerSpecialMode.includeJdkHeaders()) {
-            return Collections.singletonList(PathUtil.jarFileToVirtualFile(jdkHeadersJar));
+            return Collections.singletonList(PathUtil.jarFileOrDirectoryToVirtualFile(jdkHeadersJar));
         }
         else {
             return Collections.emptyList();
@@ -95,7 +95,7 @@ public class CompilerDependencies {
     @NotNull
     public List<VirtualFile> getRuntimeRoots() {
         if (compilerSpecialMode.includeKotlinRuntime()) {
-            return Collections.singletonList(PathUtil.jarFileToVirtualFile(runtimeJar));
+            return Collections.singletonList(PathUtil.jarFileOrDirectoryToVirtualFile(runtimeJar));
         }
         else {
             return Collections.emptyList();

compiler/util/src/org/jetbrains/jet/utils/PathUtil.java

@@ -118,14 +118,6 @@ public class PathUtil {
         return roots;
     }
 
-    @NotNull
-    public static VirtualFile jarFileToVirtualFile(@NotNull File file) {
-        if (!file.exists() || !file.isFile()) {
-            throw new IllegalStateException("file must exist and be regular to be converted to virtual file: " + file);
-        }
-        return VirtualFileManager.getInstance().findFileByUrl("jar://" + file.getPath() + "!/");
-    }
-
     @NotNull
     public static VirtualFile jarFileOrDirectoryToVirtualFile(@NotNull File file) {
         if (file.exists()) {