[Home] Fix placeholder color for incognito

chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkSheetContent.java

Index: chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkSheetContent.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkSheetContent.java b/chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkSheetContent.java
index c76c9e888ddc97ad5f76fd35a9cd6c8362597a06..bf62c5aa34700b4c1e6565ddefd38cb66a738488 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkSheetContent.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkSheetContent.java
@@ -56,6 +56,11 @@ public class BookmarkSheetContent implements BottomSheetContent {
     }
 
     @Override
+    public boolean isIncognitoThemedContent() {
+        return false;
+    }
+
+    @Override
     public int getVerticalScrollOffset() {
         return mBookmarkManager.getVerticalScrollOffset();
     }