Propagate drag-and-drop key modifiers to WebView's guest renderer.

content/public/common/drop_data.h

 // Copyright 2013 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.
 
 // A struct for managing data being dropped on a WebContents.  This represents
 // a union of all the types of data that can be dropped in a platform neutral
 // way.
 
 #ifndef CONTENT_PUBLIC_COMMON_DROP_DATA_H_
 #define CONTENT_PUBLIC_COMMON_DROP_DATA_H_
@@ skipping 18 matching lines @@
     GURL url;
     int64 size;
   };
 
   DropData();
   ~DropData();
 
   // Whether this drag originated from a renderer.
   bool did_originate_from_renderer;
 
+  // The key-modifiers present for this update, included here so BrowserPlugin
+  // can forward them to the guest renderer.
+  // TODO(wjmaclean): This can probably be removed when BrowserPlugin goes
+  // away, https://crbug.com/533069.
+  int key_modifiers;

[Charlie Reis, 2015/11/04 22:48:29]

If this is temporary, maybe it should go at the end?

[wjmaclean, 2015/11/05 15:08:07]

Done. (I had chosen this location primarily to keep the 'primitive data types'
together, but I'm fine with it at the end as well.)

+
   // User is dragging a link into the webview.
   GURL url;
   base::string16 url_title;  // The title associated with |url|.
 
   // User is dragging a link out-of the webview.
   base::string16 download_metadata;
 
   // Referrer policy to use when dragging a link out of the webview results in
   // a download.
   blink::WebReferrerPolicy referrer_policy;
@@ skipping 16 matching lines @@
   // |html_base_url| is the URL that the html fragment is taken from (used to
   // resolve relative links).  It's ok for |html_base_url| to be empty.
   base::NullableString16 html;
   GURL html_base_url;
 
   // User is dragging data from the webview (e.g., an image).
   base::string16 file_description_filename;
   std::string file_contents;
 
   std::map<base::string16, base::string16> custom_data;
+

[Charlie Reis, 2015/11/04 22:48:29]

nit: Not needed.

[wjmaclean, 2015/11/05 15:08:07]

Done.

 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_DROP_DATA_H_