Adapt to changes in gerrit core

Adapt to change I22a465e4 and pass a DiffOptions.DEFAULTS to
DiffOperations.

This change is a no/op.

Change-Id: I7fdae563d5578bae88edeb5ce584de0e06635790
diff --git a/src/main/java/com/googlesource/gerrit/plugins/uploadvalidator/BlockedKeywordValidator.java b/src/main/java/com/googlesource/gerrit/plugins/uploadvalidator/BlockedKeywordValidator.java
index 20fa0f8..7e6b9d6 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/uploadvalidator/BlockedKeywordValidator.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/uploadvalidator/BlockedKeywordValidator.java
@@ -46,6 +46,7 @@
 import com.google.gerrit.server.git.validators.CommitValidationMessage;
 import com.google.gerrit.server.patch.DiffNotAvailableException;
 import com.google.gerrit.server.patch.DiffOperations;
+import com.google.gerrit.server.patch.DiffOptions;
 import com.google.gerrit.server.patch.filediff.FileDiffOutput;
 import com.google.gerrit.server.patch.filediff.TaggedEdit;
 import com.google.gerrit.server.project.NoSuchProjectException;
@@ -229,7 +230,8 @@
     checkCommitMessageForBlockedKeywords(blockedKeywordPatterns, messages, c.getFullMessage());
     Map<String, ObjectId> content = CommitUtils.getChangedContent(repo, c, revWalk);
     Map<String, FileDiffOutput> fileDiffs =
-        diffOperations.listModifiedFilesAgainstParent(project, c, /* parentNum = */ 0);
+        diffOperations.listModifiedFilesAgainstParent(
+            project, c, /* parentNum = */ 0, DiffOptions.DEFAULTS);
 
     for (String path : content.keySet()) {
       ObjectLoader ol = revWalk.getObjectReader().open(content.get(path));
diff --git a/src/test/java/com/googlesource/gerrit/plugins/uploadvalidator/BlockedKeywordValidatorTest.java b/src/test/java/com/googlesource/gerrit/plugins/uploadvalidator/BlockedKeywordValidatorTest.java
index 96d7e90..6de639d 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/uploadvalidator/BlockedKeywordValidatorTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/uploadvalidator/BlockedKeywordValidatorTest.java
@@ -29,6 +29,7 @@
 import com.google.gerrit.entities.Project;
 import com.google.gerrit.server.git.validators.CommitValidationMessage;
 import com.google.gerrit.server.patch.DiffOperations;
+import com.google.gerrit.server.patch.DiffOptions;
 import com.google.gerrit.server.patch.filediff.Edit;
 import com.google.gerrit.server.patch.filediff.FileDiffOutput;
 import com.google.gerrit.server.patch.filediff.TaggedEdit;
@@ -84,7 +85,7 @@
     DiffOperations diffOperationsMock = mock(DiffOperations.class);
     Map<String, FileDiffOutput> mockDiffs = mock(Map.class);
     when(diffOperationsMock.listModifiedFilesAgainstParent(
-            any(Project.NameKey.class), any(), anyInt()))
+            any(Project.NameKey.class), any(), anyInt(), any(DiffOptions.class)))
         .thenReturn(mockDiffs);
     for (Map.Entry<String, String> fileContent : FILE_CONTENTS.entrySet()) {
       FileDiffOutput file = mock(FileDiffOutput.class);