Renaming `BrowsingDataHelper::IsValidScheme`, as it's poorly descriptive.

chrome/browser/browsing_data_remover.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/browsing_data_remover.h"
 
 #include <map>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 616 matching lines @@
                  base::Unretained(this)));
 }
 
 void BrowsingDataRemover::OnGotQuotaManagedOrigins(
     const std::set<GURL>& origins, quota::StorageType type) {
   DCHECK_GT(quota_managed_storage_types_to_delete_count_, 0);
   // Walk through the origins passed in, delete quota of |type| from each that
   // isn't protected.
   std::set<GURL>::const_iterator origin;
   for (origin = origins.begin(); origin != origins.end(); ++origin) {
-    if (!BrowsingDataHelper::IsValidScheme(origin->scheme()))
+    if (!BrowsingDataHelper::IsWebScheme(origin->scheme()))
       continue;
     if (special_storage_policy_->IsStorageProtected(origin->GetOrigin()))
       continue;
     if (!remove_origin_.is_empty() && remove_origin_ != origin->GetOrigin())
       continue;
     ++quota_managed_origins_to_delete_count_;
     quota_manager_->DeleteOriginData(
         origin->GetOrigin(), type,
         BrowsingDataRemover::GenerateQuotaClientMask(remove_mask_),
         base::Bind(&BrowsingDataRemover::OnQuotaManagedOriginDeletion,
@@ skipping 87 matching lines @@
       BrowserThread::UI, FROM_HERE,
       base::Bind(&BrowsingDataRemover::OnClearedServerBoundCerts,
                  base::Unretained(this)));
 }
 
 void BrowsingDataRemover::OnClearedServerBoundCerts() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   waiting_for_clear_server_bound_certs_ = false;
   NotifyAndDeleteIfDone();
 }