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

content/public/common/drop_data.h

Index: content/public/common/drop_data.h
diff --git a/content/public/common/drop_data.h b/content/public/common/drop_data.h
index 3bc08df3a8d7475ee1961b69bdd3cc15baf7b154..610385aefc15e47ca624fc6083b77de9913b1004 100644
--- a/content/public/common/drop_data.h
+++ b/content/public/common/drop_data.h
@@ -36,6 +36,12 @@ struct CONTENT_EXPORT 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|.
@@ -72,6 +78,7 @@ struct CONTENT_EXPORT DropData {
   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