Add custom action support

ui/accessibility/ax_node_data.cc

Index: ui/accessibility/ax_node_data.cc
diff --git a/ui/accessibility/ax_node_data.cc b/ui/accessibility/ax_node_data.cc
index ffaa3eb7405c963931605cb091fe9a8cd44d221d..2b5884e61893b390646c95e9eb7e3fba81aae82c 100644
--- a/ui/accessibility/ax_node_data.cc
+++ b/ui/accessibility/ax_node_data.cc
@@ -184,6 +184,7 @@ AXNodeData::AXNodeData(const AXNodeData& other) {
   float_attributes = other.float_attributes;
   bool_attributes = other.bool_attributes;
   intlist_attributes = other.intlist_attributes;
+  stringlist_attributes = other.stringlist_attributes;
   html_attributes = other.html_attributes;
   child_ids = other.child_ids;
   location = other.location;
@@ -201,6 +202,7 @@ AXNodeData& AXNodeData::operator=(AXNodeData other) {
   float_attributes = other.float_attributes;
   bool_attributes = other.bool_attributes;
   intlist_attributes = other.intlist_attributes;
+  stringlist_attributes = other.stringlist_attributes;
   html_attributes = other.html_attributes;
   child_ids = other.child_ids;
   location = other.location;
@@ -347,6 +349,31 @@ bool AXNodeData::GetIntListAttribute(AXIntListAttribute attribute,
   return false;
 }
 
+bool AXNodeData::HasStringListAttribute(AXStringListAttribute attribute) const {
+  auto iter = FindInVectorOfPairs(attribute, stringlist_attributes);
+  return iter != stringlist_attributes.end();
+}
+
+const std::vector<std::string>& AXNodeData::GetStringListAttribute(
+    AXStringListAttribute attribute) const {
+  CR_DEFINE_STATIC_LOCAL(std::vector<std::string>, empty_vector, ());
+  auto iter = FindInVectorOfPairs(attribute, stringlist_attributes);
+  if (iter != stringlist_attributes.end())
+    return iter->second;
+  return empty_vector;
+}
+
+bool AXNodeData::GetStringListAttribute(AXStringListAttribute attribute,
+                                        std::vector<std::string>* value) const {
+  auto iter = FindInVectorOfPairs(attribute, stringlist_attributes);
+  if (iter != stringlist_attributes.end()) {
+    *value = iter->second;
+    return true;
+  }
+
+  return false;
+}
+
 bool AXNodeData::GetHtmlAttribute(
     const char* html_attr, std::string* value) const {
   for (size_t i = 0; i < html_attributes.size(); ++i) {
@@ -394,6 +421,11 @@ void AXNodeData::AddIntListAttribute(AXIntListAttribute attribute,
   intlist_attributes.push_back(std::make_pair(attribute, value));
 }
 
+void AXNodeData::AddStringListAttribute(AXStringListAttribute attribute,
+                                        const std::vector<std::string>& value) {
+  stringlist_attributes.push_back(std::make_pair(attribute, value));
+}
+
 void AXNodeData::SetName(const std::string& name) {
   for (size_t i = 0; i < string_attributes.size(); ++i) {
     if (string_attributes[i].first == AX_ATTR_NAME) {