Index: base/metrics/histogram.h |
diff --git a/base/metrics/histogram.h b/base/metrics/histogram.h |
index 2283a4d80fd142bbc3b701b9d996af04c48d3128..0f059457aaa1a66657fd79b991529020b4523d24 100644 |
--- a/base/metrics/histogram.h |
+++ b/base/metrics/histogram.h |
@@ -92,7 +92,6 @@ class BooleanHistogram; |
class CustomHistogram; |
class Histogram; |
class LinearHistogram; |
-class PersistentMemoryAllocator; |
class Pickle; |
class PickleIterator; |
class SampleVector; |