Record container for hosted app launches.

extensions/common/constants.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef EXTENSIONS_COMMON_CONSTANTS_H_
 #define EXTENSIONS_COMMON_CONSTANTS_H_
 
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
 #include "ui/base/layout.h"
@@ skipping 143 matching lines @@
 };
 
 // Don't remove items or change the order of this enum.  It's used in
 // histograms and preferences.
 enum LaunchContainer {
   LAUNCH_CONTAINER_WINDOW,
   LAUNCH_CONTAINER_PANEL,
   LAUNCH_CONTAINER_TAB,
   // For platform apps, which don't actually have a container (they just get a
   // "onLaunched" event).
-  LAUNCH_CONTAINER_NONE
+  LAUNCH_CONTAINER_NONE,
+  NUM_LAUNCH_CONTAINERS
 };
 
 }  // namespace extensions
 
 namespace extension_misc {
 
 // Matches chrome.windows.WINDOW_ID_NONE.
 const int kUnknownWindowId = -1;
 
 // Matches chrome.windows.WINDOW_ID_CURRENT.
@@ skipping 27 matching lines @@
   const ui::ScaleFactor scale;
 };
 
 // The icon representations for extension actions.
 extern const IconRepresentationInfo kExtensionActionIconSizes[];
 const size_t kNumExtensionActionIconSizes = 2u;
 
 }  // namespace extension_misc
 
 #endif  // EXTENSIONS_COMMON_CONSTANTS_H_