1 files changed, 11 insertions, 0 deletions
diff --git a/chrome/browser/automation/automation_provider.cc b/chrome/browser/automation/automation_provider.cc
index 1845fd7..9823840 100644
--- a/chrome/browser/automation/automation_provider.cc
+++ b/chrome/browser/automation/automation_provider.cc
@@ -930,6 +930,7 @@ void AutomationProvider::OnMessageReceived(const IPC::Message& message) {
 #endif  // defined(OS_WIN)
     IPC_MESSAGE_HANDLER(AutomationMsg_TabProcessID, GetTabProcessID)
     IPC_MESSAGE_HANDLER(AutomationMsg_TabTitle, GetTabTitle)
+    IPC_MESSAGE_HANDLER(AutomationMsg_TabIndex, GetTabIndex)
     IPC_MESSAGE_HANDLER(AutomationMsg_TabURL, GetTabURL)
     IPC_MESSAGE_HANDLER(AutomationMsg_ShelfVisibility,
                         GetShelfVisibility)
@@ -1745,6 +1746,16 @@ void AutomationProvider::GetTabTitle(int handle, int* title_string_size,
   }
 }
 
+void AutomationProvider::GetTabIndex(int handle, int* tabstrip_index) {
+  *tabstrip_index = -1;  // -1 is the error code
+
+  if (tab_tracker_->ContainsHandle(handle)) {
+    NavigationController* tab = tab_tracker_->GetResource(handle);
+    Browser* browser = Browser::GetBrowserForController(tab, NULL);
+    *tabstrip_index = browser->tabstrip_model()->GetIndexOfController(tab);
+  }
+}
+
 void AutomationProvider::HandleUnused(const IPC::Message& message, int handle) {
   if (window_tracker_->ContainsHandle(handle)) {
     window_tracker_->Remove(window_tracker_->GetResource(handle));