Determine the element location and click synchronously on the renderer.

chrome/common/automation_events.h

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_COMMON_AUTOMATION_EVENTS_H_
+#define CHROME_COMMON_AUTOMATION_EVENTS_H_
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
+
+// A request to evaluate a script in a given frame.
+struct ScriptEvaluationRequest {
+  ScriptEvaluationRequest();
+  ScriptEvaluationRequest(const std::string& script,
+                          const std::string& frame_xpath);
+  ~ScriptEvaluationRequest();
+
+  std::string script;
+  std::string frame_xpath;
+};
+
+// An extension to a normal mouse event that includes data for determining the
+// location of the mouse event.
+struct AutomationMouseEvent {
+  AutomationMouseEvent();
+  ~AutomationMouseEvent();
+
+  WebKit::WebMouseEvent mouse_event;
+
+  // A list of scripts that when evaluated returns a coordinate for the event.
+  // The scripts are chained together in that the output for one script
+  // provides the input for the next.

[dennis_jeffrey, 2012/05/08 19:18:49]

Would it be helpful to show an example of how a simple sequence of scripts might
look?

[kkania, 2012/05/09 18:19:59]

Done.

+  // If empty, the coordinates in the normal mouse event are used.
+  std::vector<ScriptEvaluationRequest> location_script_chain;
+};
+
+#endif  // CHROME_COMMON_AUTOMATION_EVENTS_H_