Determine the element location and click synchronously on the renderer.

chrome/renderer/automation/automation_renderer_helper.h

Index: chrome/renderer/automation/automation_renderer_helper.h
diff --git a/chrome/renderer/automation/automation_renderer_helper.h b/chrome/renderer/automation/automation_renderer_helper.h
index 2b5a2cab94123103c643a0821ee124c19235fb1d..46ebb69839e01931a4198e00522206b7e740cbee 100644
--- a/chrome/renderer/automation/automation_renderer_helper.h
+++ b/chrome/renderer/automation/automation_renderer_helper.h
@@ -9,15 +9,23 @@
 #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 {
@@ -30,6 +38,22 @@ class AutomationRendererHelper : public content::RenderViewObserver {
                           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))
@@ -44,6 +68,7 @@ class AutomationRendererHelper : public content::RenderViewObserver {
   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);
 };