Determine the element location and click synchronously on the renderer.

chrome/renderer/automation/automation_renderer_helper.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_RENDERER_AUTOMATION_AUTOMATION_RENDERER_HELPER_H_
 #define CHROME_RENDERER_AUTOMATION_AUTOMATION_RENDERER_HELPER_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
+#include "base/memory/scoped_ptr.h"
 #include "content/public/renderer/render_view_observer.h"
 #include "content/public/renderer/render_view_observer_tracker.h"
 
+namespace base {
+class DictionaryValue;
+}
+
 namespace WebKit {
 class WebFrame;
 class WebURL;
 class WebView;
 }
 
+struct AutomationMouseEvent;
+struct ScriptEvaluationRequest;
+
 // Filters automation/testing messages sent to a |RenderView| and sends
 // automation/testing messages to the browser.
 class AutomationRendererHelper : public content::RenderViewObserver {
  public:
   explicit AutomationRendererHelper(content::RenderView* render_view);
   virtual ~AutomationRendererHelper();
 
   // Takes a snapshot of the entire page without changing layout size.
   bool SnapshotEntirePage(WebKit::WebView* view,
                           std::vector<unsigned char>* png_data,
                           std::string* error_msg);
 
+  // Evaluates a list of scripts. Each script must result in exactly
+  // one JavaScript object, which is passed to the next script as input.
+  // The final output is returned in |result|. If any JavaScript object
+  // contains an 'error' key, |error_msg| will be set to the corresponding
+  // value and the method will return false. If any script throws an exception,
+  // this method will return false with an appropriate error message.
+  // |script_chain| must not be empty.
+  bool EvaluateScriptChain(
+      const std::vector<ScriptEvaluationRequest>& script_chain,
+      scoped_ptr<base::DictionaryValue>* result,
+      std::string* error_msg);
+
+  // Processes the given event. On error, returns false and sets |error_msg|.
+  bool ProcessMouseEvent(const AutomationMouseEvent& event,
+                         std::string* error_msg);
+
  private:
   void OnSnapshotEntirePage();
 #if !defined(NO_TCMALLOC) && (defined(OS_LINUX) || defined(OS_CHROMEOS))
   void OnHeapProfilerDump(const std::string& reason);
 #endif
 
   // RenderViewObserver implementation.
   virtual bool OnMessageReceived(const IPC::Message& message);
   virtual void WillPerformClientRedirect(
       WebKit::WebFrame* frame, const WebKit::WebURL& from,
       const WebKit::WebURL& to, double interval, double fire_time);
   virtual void DidCancelClientRedirect(WebKit::WebFrame* frame);
   virtual void DidCompleteClientRedirect(WebKit::WebFrame* frame,
                                          const WebKit::WebURL& from);
+  virtual void OnProcessMouseEvent(const AutomationMouseEvent& event);
 
   DISALLOW_COPY_AND_ASSIGN(AutomationRendererHelper);
 };
 
 #endif  // CHROME_RENDERER_AUTOMATION_AUTOMATION_RENDERER_HELPER_H_