Remove PeerConnectionIdentityStore and related messaging/storage code.

chrome/browser/browsing_data/browsing_data_remover.cc

Index: chrome/browser/browsing_data/browsing_data_remover.cc
diff --git a/chrome/browser/browsing_data/browsing_data_remover.cc b/chrome/browser/browsing_data/browsing_data_remover.cc
index dcd064361a857fec17f96c8dc777969362f722d3..7da63a8c3cf88c8445fbd85ae8b92b91bc489b3e 100644
--- a/chrome/browser/browsing_data/browsing_data_remover.cc
+++ b/chrome/browser/browsing_data/browsing_data_remover.cc
@@ -889,9 +889,6 @@ void BrowsingDataRemover::RemoveImpl(
     storage_partition_remove_mask |=
         content::StoragePartition::REMOVE_DATA_MASK_SHADER_CACHE;
 
-    storage_partition_remove_mask |=
-        content::StoragePartition::REMOVE_DATA_MASK_WEBRTC_IDENTITY;
-
     // When clearing cache, wipe accumulated network related data
     // (TransportSecurityState and HttpServerPropertiesManager data).
     waiting_for_clear_networking_history_ = true;
@@ -901,11 +898,6 @@ void BrowsingDataRemover::RemoveImpl(
                    weak_ptr_factory_.GetWeakPtr()));
   }
 
-  if (remove_mask & REMOVE_WEBRTC_IDENTITY) {
-    storage_partition_remove_mask |=
-        content::StoragePartition::REMOVE_DATA_MASK_WEBRTC_IDENTITY;
-  }
-
   // Content Decryption Modules used by Encrypted Media store licenses in a
   // private filesystem. These are different than content licenses used by
   // Flash (which are deleted father down in this method).