Adding W3C spec compliant element serialization to IE driver

Author: jimevans

cpp/iedriver/CommandHandlers/ExecuteScriptCommandHandler.h

@@ -118,8 +118,14 @@ class ExecuteScriptCommandHandler : public IECommandHandler {
     } else if (arg.isArray()) {
       status_code = this->WalkArray(executor, script_wrapper, arg);
     } else if (arg.isObject()) {
-      if (arg.isMember("ELEMENT")) {
-        std::string element_id = arg["ELEMENT"].asString();
+      // TODO: Remove the check for "ELEMENT" once all target bindings 
+      // have been updated to use spec-compliant protocol.
+      std::string element_marker_property_name = "element-6066-11e4-a52e-4f735466cecf";
+      if (!arg.isMember(element_marker_property_name)) {
+        element_marker_property_name = "ELEMENT";
+      }
+      if (arg.isMember(element_marker_property_name)) {
+        std::string element_id = arg[element_marker_property_name].asString();
 
         ElementHandle element_wrapper;
         status_code = this->GetElement(executor, element_id, &element_wrapper);

cpp/iedriver/CommandHandlers/SwitchToFrameCommandHandler.h

@@ -50,7 +50,13 @@ class SwitchToFrameCommandHandler : public IECommandHandler {
     if (frame_id.isNull()) {
       status_code = browser_wrapper->SetFocusedFrameByElement(NULL);
     } else if (frame_id.isObject()) {
-      Json::Value element_id = frame_id.get("ELEMENT", Json::Value::null);
+      // TODO: Remove the check for "ELEMENT" once all target bindings 
+      // have been updated to use spec-compliant protocol.
+      Json::Value element_id = frame_id.get("element-6066-11e4-a52e-4f735466cecf", Json::Value::null);
+      if (element_id.isNull()) {
+        element_id = frame_id.get("ELEMENT", Json::Value::null);
+      }
+
       if (element_id.isNull()) {
         status_code = ENOSUCHFRAME;
       } else {

cpp/iedriver/Element.cpp

@@ -72,6 +72,9 @@ Json::Value Element::ConvertToJson() {
   LOG(TRACE) << "Entering Element::ConvertToJson";
 
   Json::Value json_wrapper;
+  // TODO: Remove the "ELEMENT" property once all target bindings 
+  // have been updated to use spec-compliant protocol.
+  json_wrapper["element-6066-11e4-a52e-4f735466cecf"] = this->element_id_;
   json_wrapper["ELEMENT"] = this->element_id_;
 
   return json_wrapper;