Switch to using Path instead of File for sitePaths

Core upstream changed SitePaths to yield Paths instead of
Files. Hence, we follow that move.

Change-Id: Ie0008379510910f6bb7fdecd491a7485b936ce06

Author: Christian Aistleitner

src/main/java/com/googlesource/gerrit/plugins/gitblit/GerritGitBlitContext.java

@@ -60,7 +60,7 @@ class GerritGitBlitContext extends GitblitContext {
 
   void init(ServletContext context) {
     // Manually configure IRuntimeManager
-    runtime.setBaseFolder(sitePaths.site_path);
+    runtime.setBaseFolder(sitePaths.site_path.toFile());
     runtime.getStatus().servletContainer = context.getServerInfo();
     runtime.start();
 

src/main/java/com/googlesource/gerrit/plugins/gitblit/app/GitBlitSettings.java

@@ -57,7 +57,7 @@ public GitBlitSettings(final LocalDiskRepositoryManager repoManager,
     this.properties = new Properties();
     this.repoManager = repoManager;
     this.config = new GitBlitUrlsConfig(config);
-    this.etcDir = sitePaths.etc_dir;
+    this.etcDir = sitePaths.etc_dir.toFile();
     load();
   }
 
@@ -77,8 +77,8 @@ private void load() throws IOException {
     try {
       properties = new Properties();
       properties.load(resin);
-      properties.put("git.repositoriesFolder", repoManager.getBasePath()
-          .getAbsolutePath());
+      properties.put("git.repositoriesFolder",
+          getBasePath().getAbsolutePath());
       properties.put("realm.userService",
           GerritToGitBlitUserService.class.getName());
       if (properties.get("web.otherUrls") != null) {
@@ -112,7 +112,7 @@ private InputStream openPropertiesFile() {
   }
 
   public File getBasePath() {
-    return repoManager.getBasePath();
+    return repoManager.getBasePath().toFile();
   }
 
   @Override