Log SANACLAP suppressions

third_party/WebKit/Source/core/layout/ScrollAnchor.cpp

Index: third_party/WebKit/Source/core/layout/ScrollAnchor.cpp
diff --git a/third_party/WebKit/Source/core/layout/ScrollAnchor.cpp b/third_party/WebKit/Source/core/layout/ScrollAnchor.cpp
index a40358178a28a46487fd0e0f9e1834d8db0b9517..71a9e695a5aaa3d6c98e0f30d217d1c8d466e075 100644
--- a/third_party/WebKit/Source/core/layout/ScrollAnchor.cpp
+++ b/third_party/WebKit/Source/core/layout/ScrollAnchor.cpp
@@ -263,6 +263,11 @@ void ScrollAnchor::restore()
         // This minimizes redundant calls to findAnchor.
         // TODO(skobes): add UMA metric for this.
         clear();
+
+        DEFINE_STATIC_LOCAL(EnumerationHistogram, suppressedBySanaclapHistogram,
+            ("Layout.ScrollAnchor.SuppressedBySanaclap", 2));
+        suppressedBySanaclapHistogram.count(1);
+
         return;
     }