Determine the element location and click synchronously on the renderer.

chrome/browser/automation/automation_tab_helper.cc

Index: chrome/browser/automation/automation_tab_helper.cc
diff --git a/chrome/browser/automation/automation_tab_helper.cc b/chrome/browser/automation/automation_tab_helper.cc
index 89cc381e1cfb7cc71f8dc023511b3a1d06df1c67..fd16dedaccb49750f2a55fb8664d0f0d5408580c 100644
--- a/chrome/browser/automation/automation_tab_helper.cc
+++ b/chrome/browser/automation/automation_tab_helper.cc
@@ -10,6 +10,7 @@
 #include "content/public/browser/web_contents.h"
 #include "ipc/ipc_message.h"
 #include "ipc/ipc_message_macros.h"
+#include "ui/gfx/point.h"
 #include "ui/gfx/size.h"
 
 using content::WebContents;
@@ -61,6 +62,11 @@ void AutomationTabHelper::HeapProfilerDump(const std::string& reason) {
 }
 #endif  // !defined(NO_TCMALLOC) && (defined(OS_LINUX) || defined(OS_CHROMEOS))
 
+void AutomationTabHelper::ProcessMouseEvent(
+    const AutomationMouseEvent& event) {
+  Send(new AutomationMsg_ProcessMouseEvent(routing_id(), event));
+}
+
 bool AutomationTabHelper::has_pending_loads() const {
   return is_loading_ || !pending_client_redirects_.empty();
 }
@@ -119,12 +125,28 @@ void AutomationTabHelper::OnSnapshotEntirePageACK(
                     OnSnapshotEntirePageACK(success, png_data, error_msg));
 }
 
+void AutomationTabHelper::OnWillProcessMouseEventAt(const gfx::Point& point) {
+  FOR_EACH_OBSERVER(TabEventObserver, observers_,
+                    OnWillProcessMouseEventAt(point));
+}
+
+void AutomationTabHelper::OnProcessMouseEventACK(
+    bool success,
+    const std::string& error_msg) {
+  FOR_EACH_OBSERVER(TabEventObserver, observers_,
+                    OnProcessMouseEventACK(success, error_msg));
+}
+
 bool AutomationTabHelper::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   bool msg_is_good = true;
   IPC_BEGIN_MESSAGE_MAP_EX(AutomationTabHelper, message, msg_is_good)
     IPC_MESSAGE_HANDLER(AutomationMsg_SnapshotEntirePageACK,
                         OnSnapshotEntirePageACK)
+    IPC_MESSAGE_HANDLER(AutomationMsg_WillProcessMouseEventAt,
+                        OnWillProcessMouseEventAt)
+    IPC_MESSAGE_HANDLER(AutomationMsg_ProcessMouseEventACK,
+                        OnProcessMouseEventACK)
     IPC_MESSAGE_HANDLER(AutomationMsg_WillPerformClientRedirect,
                         OnWillPerformClientRedirect)
     IPC_MESSAGE_HANDLER(AutomationMsg_DidCompleteOrCancelClientRedirect,