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

(minor) ActionFS now implements MetadataProvider.getInput

PiperOrigin-RevId: 199575194

src/test/java/com/google/devtools/build/lib/skyframe/TimestampBuilderTestCase.java

diff --git a/src/test/java/com/google/devtools/build/lib/skyframe/TimestampBuilderTestCase.java b/src/test/java/com/google/devtools/build/lib/skyframe/TimestampBuilderTestCase.java
index e17e673..2b16cdf 100644
--- a/src/test/java/com/google/devtools/build/lib/skyframe/TimestampBuilderTestCase.java
+++ b/src/test/java/com/google/devtools/build/lib/skyframe/TimestampBuilderTestCase.java
@@ -44,6 +44,8 @@
 import com.google.devtools.build.lib.actions.BasicActionLookupValue;
 import com.google.devtools.build.lib.actions.BuildFailedException;
 import com.google.devtools.build.lib.actions.Executor;
+import com.google.devtools.build.lib.actions.FileStateValue;
+import com.google.devtools.build.lib.actions.FileValue;
 import com.google.devtools.build.lib.actions.MutableActionGraph.ActionConflictException;
 import com.google.devtools.build.lib.actions.ResourceManager;
 import com.google.devtools.build.lib.actions.ResourceSet;
@@ -203,8 +205,8 @@
     final InMemoryMemoizingEvaluator evaluator =
         new InMemoryMemoizingEvaluator(
             ImmutableMap.<SkyFunctionName, SkyFunction>builder()
-                .put(SkyFunctions.FILE_STATE, new FileStateFunction(tsgmRef, externalFilesHelper))
-                .put(SkyFunctions.FILE, new FileFunction(pkgLocator))
+                .put(FileStateValue.FILE_STATE, new FileStateFunction(tsgmRef, externalFilesHelper))
+                .put(FileValue.FILE, new FileFunction(pkgLocator))
                 .put(SkyFunctions.ARTIFACT, new ArtifactFunction())
                 .put(
                     SkyFunctions.ACTION_EXECUTION,