Fixed drag and drop into and out of Browser Plugin.

content/public/common/content_switches.cc

 // 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.
 
 #include "content/public/common/content_switches.h"
 
 namespace switches {
 
 // By default, file:// URIs cannot read other file:// URIs. This is an
 // override for developers who need the old behavior for testing.
@@ skipping 248 matching lines @@
 const char kEnableAudibleNotifications[]   = "enable-audible-notifications";
 
 // Enables browser plugin compositing experiment.
 const char kDisableBrowserPluginCompositing[] =
     "disable-browser-plugin-compositing";
 
 // Enables browser plugin for all types of pages.
 const char kEnableBrowserPluginForAllViewTypes[] =
     "enable-browser-plugin-for-all-view-types";
 
+// Enables Drag and Drop into and out of Browser Plugin.
+// kEnableBrowserPluginGuestViews must also be set at this time.
+const char kEnableBrowserPluginDragDrop[]   = "enable-browser-plugin-drag-drop";
+
 // Enable/Disable the creation of compositing layers for fixed position
 // elements. Three options are needed to support four possible scenarios:
 //  1. Default (disabled)
 //  2. Enabled always (to allow dogfooding)
 //  3. Disabled always (to give safety fallback for users)
 //  4. Enabled only if we detect a highDPI display
 //
 // Option #4 may soon be the default, because the feature is needed soon for
 // high DPI, but cannot be used (yet) for low DPI. Options #2 and #3 will
 // override Option #4.
@@ skipping 512 matching lines @@
 // Enables or disables history navigation in response to horizontal overscroll.
 // Set the value to '1' to enable the feature, and set to '0' to disable.
 // Defaults to enabled.
 const char kOverscrollHistoryNavigation[] =
     "overscroll-history-navigation";
 
 // Enables 'image/webp' accept header for image requests.
 const char kEnableWebPInAcceptHeader[] = "enable-webp-in-accept-header";
 
 }  // namespace switches