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

content/browser/browser_plugin/browser_plugin_guest.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/browser/browser_plugin/browser_plugin_guest.h"
 
 #include <algorithm>
 
 #include "base/message_loop/message_loop.h"
 #include "base/pickle.h"
@@ skipping 830 matching lines @@
                                             blink::WebDragOperationsMask mask,
                                             const gfx::Point& location) {
   RenderViewHost* host = GetWebContents()->GetRenderViewHost();
   auto embedder = owner_web_contents_->GetBrowserPluginEmbedder();
   switch (drag_status) {
     case blink::WebDragStatusEnter:
       // Only track the URL being dragged over the guest if the link isn't
       // coming from the guest.
       if (!embedder->DragEnteredGuest(this))
         dragged_url_ = drop_data.url;
-      host->DragTargetDragEnter(drop_data, location, location, mask, 0);
+      host->DragTargetDragEnter(drop_data, location, location, mask,
+                                drop_data.key_modifiers);
       break;
     case blink::WebDragStatusOver:
-      host->DragTargetDragOver(location, location, mask, 0);
+      host->DragTargetDragOver(location, location, mask,
+                               drop_data.key_modifiers);
       break;
     case blink::WebDragStatusLeave:
       embedder->DragLeftGuest(this);
       host->DragTargetDragLeave();
       break;
     case blink::WebDragStatusDrop:
-      host->DragTargetDrop(location, location, 0);
+      host->DragTargetDrop(location, location, drop_data.key_modifiers);
       if (dragged_url_.is_valid()) {
         delegate_->DidDropLink(dragged_url_);
         dragged_url_ = GURL();
       }
       break;
     case blink::WebDragStatusUnknown:
       NOTREACHED();
   }
   last_drag_status_ = drag_status;
   EndSystemDragIfApplicable();
@@ skipping 183 matching lines @@
           range, character_bounds);
 }
 #endif
 
 void BrowserPluginGuest::SetContextMenuPosition(const gfx::Point& position) {
   if (delegate_)
     delegate_->SetContextMenuPosition(position);
 }
 
 }  // namespace content