Move the suppression for BucketRangs to intentional section.

tools/valgrind/memcheck/suppressions.txt

Index: tools/valgrind/memcheck/suppressions.txt
diff --git a/tools/valgrind/memcheck/suppressions.txt b/tools/valgrind/memcheck/suppressions.txt
index 1ac28775187de16a173f6ab65f2cfc4e03bdad03..1317127fed26e69ccea7da06c75bd457d242e4b8 100644
--- a/tools/valgrind/memcheck/suppressions.txt
+++ b/tools/valgrind/memcheck/suppressions.txt
@@ -372,6 +372,13 @@
    fun:_ZN4base15SparseHistogram*
 }
 {
+   Intentional leak for BucketRanges.
+   Memcheck:Leak
+   fun:_Znw*
+   fun:_ZN4base12_GLOBAL__N_120CreateRangesFromDataEPijm
+   fun:_ZN4base28PersistentHistogramAllocator15CreateHistogramEPNS0_23PersistentHistogramDataE
+}
+{
    bug_73299 (Intentional)
    Memcheck:Leak
    fun:_Znw*
@@ -3442,13 +3449,3 @@
    ...
    fun:_ZN4base4BindIMN7content21ChromeAppCacheServiceEFvRKNS_8FilePathEPNS1_15ResourceContextEPN3net23URLRequestContextGetterE13scoped_refptrIN7storage20SpecialStoragePolicyEEEJPS2_S3_S7_SB_IS9_ESE_EEENS_8CallbackINS_8internal22MakeUnboundRunTypeImplIT_JDpT0_EE4TypeEEESM_DpOSN_
 }
-{
-   bug_595408
-   Memcheck:Leak
-   fun:_Znw*
-   fun:_ZN4base12_GLOBAL__N_120CreateRangesFromDataEPijm
-   fun:_ZN4base28PersistentHistogramAllocator15CreateHistogramEPNS0_23PersistentHistogramDataE
-   fun:_ZN4base28PersistentHistogramAllocator12GetHistogramEj
-   fun:_ZN4base28PersistentHistogramAllocator26GetNextHistogramWithIgnoreEPNS0_8IteratorEj
-   fun:_ZN4base28PersistentHistogramAllocator16GetNextHistogramEPNS0_8IteratorE
-}