Delete Preprocessor.Factory.Supplier

RELNOTES: None.
PiperOrigin-RevId: 152882585
diff --git a/src/test/java/com/google/devtools/build/lib/pkgcache/IncrementalLoadingTest.java b/src/test/java/com/google/devtools/build/lib/pkgcache/IncrementalLoadingTest.java
index bc5800e..60c5853 100644
--- a/src/test/java/com/google/devtools/build/lib/pkgcache/IncrementalLoadingTest.java
+++ b/src/test/java/com/google/devtools/build/lib/pkgcache/IncrementalLoadingTest.java
@@ -32,7 +32,6 @@
 import com.google.devtools.build.lib.packages.NoSuchTargetException;
 import com.google.devtools.build.lib.packages.NoSuchThingException;
 import com.google.devtools.build.lib.packages.Package;
-import com.google.devtools.build.lib.packages.Preprocessor;
 import com.google.devtools.build.lib.packages.Rule;
 import com.google.devtools.build.lib.packages.Target;
 import com.google.devtools.build.lib.packages.util.LoadingMock;
@@ -109,7 +108,7 @@
   }
 
   protected PackageCacheTester createTester(FileSystem fs, ManualClock clock) throws Exception {
-    return new PackageCacheTester(fs, clock, Preprocessor.Factory.Supplier.NullSupplier.INSTANCE);
+    return new PackageCacheTester(fs, clock);
   }
 
   @Test
@@ -456,9 +455,7 @@
     private boolean everythingModified = false;
     private ModifiedFileSet modifiedFileSet;
 
-    public PackageCacheTester(
-        FileSystem fs, ManualClock clock, Preprocessor.Factory.Supplier supplier)
-            throws IOException {
+    public PackageCacheTester(FileSystem fs, ManualClock clock) throws IOException {
       this.clock = clock;
       workspace = fs.getPath("/workspace");
       workspace.createDirectory();
@@ -482,7 +479,6 @@
               loadingMock.createRuleClassProvider().getBuildInfoFactories(),
               ImmutableList.of(new ManualDiffAwarenessFactory()),
               Predicates.<PathFragment>alwaysFalse(),
-              supplier,
               ImmutableMap.<SkyFunctionName, SkyFunction>of(),
               ImmutableList.<PrecomputedValue.Injected>of(),
               ImmutableList.<SkyValueDirtinessChecker>of(),