Refactoring: makes the code simpler by deleting Metadata and InputArtifactData.

(minor) ActionFS now implements MetadataProvider.getInput

PiperOrigin-RevId: 199575194
diff --git a/src/test/java/com/google/devtools/build/lib/skyframe/PackageLookupFunctionTest.java b/src/test/java/com/google/devtools/build/lib/skyframe/PackageLookupFunctionTest.java
index 4d63399..7562559 100644
--- a/src/test/java/com/google/devtools/build/lib/skyframe/PackageLookupFunctionTest.java
+++ b/src/test/java/com/google/devtools/build/lib/skyframe/PackageLookupFunctionTest.java
@@ -21,6 +21,8 @@
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.testing.EqualsTester;
+import com.google.devtools.build.lib.actions.FileStateValue;
+import com.google.devtools.build.lib.actions.FileValue;
 import com.google.devtools.build.lib.analysis.BlazeDirectories;
 import com.google.devtools.build.lib.analysis.ServerDirectories;
 import com.google.devtools.build.lib.analysis.util.AnalysisMock;
@@ -117,9 +119,11 @@
     skyFunctions.put(
         SkyFunctions.PACKAGE,
         new PackageFunction(null, null, null, null, null, null, null));
-    skyFunctions.put(SkyFunctions.FILE_STATE, new FileStateFunction(
-        new AtomicReference<TimestampGranularityMonitor>(), externalFilesHelper));
-    skyFunctions.put(SkyFunctions.FILE, new FileFunction(pkgLocator));
+    skyFunctions.put(
+        FileStateValue.FILE_STATE,
+        new FileStateFunction(
+            new AtomicReference<TimestampGranularityMonitor>(), externalFilesHelper));
+    skyFunctions.put(FileValue.FILE, new FileFunction(pkgLocator));
     skyFunctions.put(SkyFunctions.DIRECTORY_LISTING, new DirectoryListingFunction());
     skyFunctions.put(
         SkyFunctions.DIRECTORY_LISTING_STATE,