Send mouse location as part of automation events.

chrome/common/extensions/api/automation_internal.idl

Index: chrome/common/extensions/api/automation_internal.idl
diff --git a/chrome/common/extensions/api/automation_internal.idl b/chrome/common/extensions/api/automation_internal.idl
index 8da21301a09d9f0ccc1e3fce1a5935ae0c50ddc7..5c93adc5520cc4834c6dde7525ee4336dd46dc37 100644
--- a/chrome/common/extensions/api/automation_internal.idl
+++ b/chrome/common/extensions/api/automation_internal.idl
@@ -21,6 +21,10 @@ namespace automationInternal {
 
     // The source of this event.
     DOMString eventFrom;
+
+    // The mouse coordinates when this event fired.
+    double mouseX;
+    double mouseY;
   };
 
   // All possible actions that can be performed on automation nodes.