Fix VariationsMurmurHash comment

BUG=890413

Change-Id: I00a9ba53968a25392383513fd7dd199a2b789d58
Reviewed-on: https://chromium-review.googlesource.com/c/1479939
Auto-Submit: Paul Miller <[email protected]>
Reviewed-by: Ilya Sherman <[email protected]>
Commit-Queue: Ilya Sherman <[email protected]>
Cr-Commit-Position: refs/heads/master@{#634046}
diff --git a/components/variations/variations_murmur_hash.h b/components/variations/variations_murmur_hash.h
index 9ec77ad4..b3e7458 100644
--- a/components/variations/variations_murmur_hash.h
+++ b/components/variations/variations_murmur_hash.h
@@ -32,9 +32,9 @@
   // it produces the same results that MurmurHash3_x86_32 would produce on a
   // little-endian platform.
   //
-  // |length| is the number of bytes to hash. It mustn't exceed
-  // padded_data.size() * 4. If length % 4 != 0, Hash will consume the
-  // less-significant bytes of the last uint32_t first.
+  // |length| is the number of bytes to hash. It mustn't exceed data.size() * 4.
+  // If length % 4 != 0, Hash will consume the less-significant bytes of the
+  // last uint32_t first.
   //
   // MurmurHash3_x86_32 takes a seed, for which 0 is the typical value. Hash
   // hard-codes the seed to 0, since NormalizedMurmurHashEntropyProvider doesn't