[Sync] Implement MemoryDumpProvider.

components/sync/protocol/proto_value_conversions.cc

Index: components/sync/protocol/proto_value_conversions.cc
diff --git a/components/sync/protocol/proto_value_conversions.cc b/components/sync/protocol/proto_value_conversions.cc
index 1f6bf95b148b1c61af1845a514069270b84f198d..d2ed4fcb7674936f03d30ccf8a9656312a03374e 100644
--- a/components/sync/protocol/proto_value_conversions.cc
+++ b/components/sync/protocol/proto_value_conversions.cc
@@ -112,7 +112,7 @@ class ToValueVisitor {
              const char* field_name,
              const google::protobuf::RepeatedPtrField<F>& repeated_field) {
     std::unique_ptr<base::ListValue> list(new base::ListValue());
-    for (const auto& field: repeated_field) {
+    for (const auto& field : repeated_field) {
       list->Append(ToValue(field));
     }
     value_->Set(field_name, std::move(list));
@@ -123,7 +123,7 @@ class ToValueVisitor {
              const char* field_name,
              const google::protobuf::RepeatedField<F>& repeated_field) {
     std::unique_ptr<base::ListValue> list(new base::ListValue());
-    for (const auto& field: repeated_field) {
+    for (const auto& field : repeated_field) {
       list->Append(ToValue(field));
     }
     value_->Set(field_name, std::move(list));
@@ -168,6 +168,30 @@ class ToValueVisitor {
     }
   }
 
+  // EnhancedBookmarksFlags
+  template <class P>
+  void Visit(const P& parent_proto,
+             const char* field_name,
+             const sync_pb::EnhancedBookmarksFlags& field) {
+    // Obsolete, don't visit
+  }
+
+  // WalletSyncFlags
+  template <class P>
+  void Visit(const P& parent_proto,
+             const char* field_name,
+             const sync_pb::WalletSyncFlags& field) {
+    // Obsolete, don't visit
+  }
+
+  // PasswordSpecifics
+  std::unique_ptr<base::DictionaryValue> ToValue(
+      const sync_pb::PasswordSpecifics& proto) const {
+    auto value = ToValueImpl(proto);
+    value->Remove("client_only_encrypted_data", nullptr);
+    return value;
+  }
+
   // PasswordSpecificsData
   std::unique_ptr<base::DictionaryValue> ToValue(
       const sync_pb::PasswordSpecificsData& proto) const {
@@ -245,7 +269,7 @@ class ToValueVisitor {
 
   // Needs to be here to see all ToValue() overloads above.
   template <class P, class F>
-  void VisitImpl(P& proto, const char* field_name, const F& field) {
+  void VisitImpl(P&, const char* field_name, const F& field) {
     value_->Set(field_name, ToValue(field));
   }