Move BrowsingDataRemoverImpl:: CompletionInhibitor to the public interface

chrome/browser/browsing_data/browsing_data_remover_impl.cc

Index: chrome/browser/browsing_data/browsing_data_remover_impl.cc
diff --git a/chrome/browser/browsing_data/browsing_data_remover_impl.cc b/chrome/browser/browsing_data/browsing_data_remover_impl.cc
index b157897e73a9e8c3a7e57764097d673c1f18a5c0..55f917d443c16952baa5599d884b93e2362aed8a 100644
--- a/chrome/browser/browsing_data/browsing_data_remover_impl.cc
+++ b/chrome/browser/browsing_data/browsing_data_remover_impl.cc
@@ -124,9 +124,6 @@ void ClearChannelIDsOnIOThread(
 
 }  // namespace
 
-BrowsingDataRemoverImpl::CompletionInhibitor*
-    BrowsingDataRemoverImpl::completion_inhibitor_ = nullptr;
-
 BrowsingDataRemoverImpl::SubTask::SubTask(const base::Closure& forward_callback)
     : is_pending_(false),
       forward_callback_(forward_callback),
@@ -160,6 +157,7 @@ BrowsingDataRemoverImpl::BrowsingDataRemoverImpl(
       remove_mask_(-1),
       origin_type_mask_(-1),
       is_removing_(false),
+      completion_inhibitor_(nullptr),
       sub_task_forward_callback_(
           base::Bind(&BrowsingDataRemoverImpl::NotifyIfDone,
                      base::Unretained(this))),
@@ -169,6 +167,7 @@ BrowsingDataRemoverImpl::BrowsingDataRemoverImpl(
       clear_channel_ids_(sub_task_forward_callback_),
       clear_http_auth_cache_(sub_task_forward_callback_),
       clear_storage_partition_data_(sub_task_forward_callback_),
+      storage_partition_for_testing_(nullptr),
       weak_ptr_factory_(this) {
   DCHECK(browser_context_);
 }
@@ -568,6 +567,11 @@ void BrowsingDataRemoverImpl::RemoveObserver(Observer* observer) {
   observer_list_.RemoveObserver(observer);
 }
 
+void BrowsingDataRemoverImpl::SetCompletionInhibitorForTesting(
+    CompletionInhibitor* inhibitor) {
+  completion_inhibitor_ = inhibitor;
+}
+
 void BrowsingDataRemoverImpl::OverrideStoragePartitionForTesting(
     content::StoragePartition* storage_partition) {
   storage_partition_for_testing_ = storage_partition;