Implementation of sync password hash clearing.

components/password_manager/core/browser/password_store.cc

Index: components/password_manager/core/browser/password_store.cc
diff --git a/components/password_manager/core/browser/password_store.cc b/components/password_manager/core/browser/password_store.cc
index 0575e5de99af3b02d486eb3bd97917d064ffcbaa..8b077e2e5431212d32c1a9c946c4176ac0c63c4e 100644
--- a/components/password_manager/core/browser/password_store.cc
+++ b/components/password_manager/core/browser/password_store.cc
@@ -332,6 +332,10 @@ void PasswordStore::SaveSyncPasswordHash(const base::string16& password) {
   ScheduleTask(
       base::Bind(&PasswordStore::SaveSyncPasswordHashImpl, this, password));
 }
+
+void PasswordStore::ClearSyncPasswordHash() {
+  ScheduleTask(base::Bind(&PasswordStore::ClearSyncPasswordHashImpl, this));
+}
 #endif
 
 PasswordStore::~PasswordStore() {
@@ -419,6 +423,11 @@ void PasswordStore::SaveSyncPasswordHashImpl(const base::string16& password) {
   if (reuse_detector_)
     reuse_detector_->SaveSyncPasswordHash(password);
 }
+
+void PasswordStore::ClearSyncPasswordHashImpl() {
+  if (reuse_detector_)
+    reuse_detector_->ClearSyncPasswordHash();
+}
 #endif
 
 void PasswordStore::Schedule(