Add PyAuto automation call GetPanelInfo().

chrome/browser/automation/testing_automation_provider.cc

Index: chrome/browser/automation/testing_automation_provider.cc
diff --git a/chrome/browser/automation/testing_automation_provider.cc b/chrome/browser/automation/testing_automation_provider.cc
index 3626478f859e0c618041beb16aedbb454e4bde55..a31db4b677e31a59377039f471438d899f7cef36 100644
--- a/chrome/browser/automation/testing_automation_provider.cc
+++ b/chrome/browser/automation/testing_automation_provider.cc
@@ -2585,6 +2585,22 @@ void TestingAutomationProvider::GetBrowserInfo(
     browser_item->SetInteger("selected_tab", browser->active_index());
     browser_item->SetBoolean("incognito",
                              browser->profile()->IsOffTheRecord());
+    std::string type;
+    switch (browser->type()) {
+      case Browser::TYPE_TABBED:
+        type = "tabbed";
+        break;
+      case Browser::TYPE_POPUP:
+        type = "popup";
+        break;
+      case Browser::TYPE_PANEL:
+        type = "panel";
+        break;
+      default:
+        type = "unknown";
+        break;
+    }
+    browser_item->SetString("type", type);
     // For each window, add info about all tabs in a list of dictionaries,
     // one dictionary item per tab.
     ListValue* tabs = new ListValue;