Add tooltip text for chrome shortcut

ash/launcher/launcher_view.cc

Index: ash/launcher/launcher_view.cc
diff --git a/ash/launcher/launcher_view.cc b/ash/launcher/launcher_view.cc
index 44ac922a42b86ddec5ad2b1ddc3b141cc00ade55..9fba2fe7cb3fcad2bbd92fbb754ee50f2f0bfce7 100644
--- a/ash/launcher/launcher_view.cc
+++ b/ash/launcher/launcher_view.cc
@@ -28,6 +28,7 @@
 #include "ui/views/controls/button/image_button.h"
 #include "ui/views/controls/menu/menu_model_adapter.h"
 #include "ui/views/controls/menu/menu_runner.h"
+#include "ui/views/widget/root_view.h"
 #include "ui/views/widget/widget.h"
 
 using ui::Animation;
@@ -683,7 +684,7 @@ string16 LauncherView::GetAccessibleName(const views::View* view) {
       return l10n_util::GetStringUTF16(IDS_AURA_APP_LIST_TITLE);
 
     case TYPE_BROWSER_SHORTCUT:
-      return l10n_util::GetStringUTF16(IDS_AURA_CYCLER_TITLE);
+      return l10n_util::GetStringUTF16(IDS_AURA_NEW_TAB);
 
   }
   return string16();
@@ -716,7 +717,10 @@ void LauncherView::ButtonPressed(views::Button* sender,
       break;
 
     case TYPE_BROWSER_SHORTCUT:
-      delegate_->CreateNewTab();
+      if (event.flags() & ui::EF_CONTROL_DOWN)
+        delegate_->CreateNewWindow();
+      else
+        delegate_->CreateNewTab();
       break;
   }
 }