Allow OSExchangeData::Provider to be overridden at run time.

content/browser/web_contents/web_contents_view_aura.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/web_contents/web_contents_view_aura.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/auto_reset.h"
@@ skipping 42 matching lines @@
 #include "ui/aura/window.h"
 #include "ui/aura/window_observer.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/aura/window_tree_host_observer.h"
 #include "ui/base/clipboard/clipboard.h"
 #include "ui/base/clipboard/custom_data_helper.h"
 #include "ui/base/dragdrop/drag_drop_types.h"
 #include "ui/base/dragdrop/drag_utils.h"
 #include "ui/base/dragdrop/drop_target_event.h"
 #include "ui/base/dragdrop/os_exchange_data.h"
+#include "ui/base/dragdrop/os_exchange_data_provider_factory.h"
 #include "ui/base/hit_test.h"
 #include "ui/compositor/layer.h"
 #include "ui/display/screen.h"
 #include "ui/events/event.h"
 #include "ui/events/event_utils.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/image/image_png_rep.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/touch_selection/touch_selection_controller.h"
@@ skipping 753 matching lines @@
     const DragEventSourceInfo& event_info) {
   aura::Window* root_window = GetNativeView()->GetRootWindow();
   if (!aura::client::GetDragDropClient(root_window)) {
     web_contents_->SystemDragEnded();
     return;
   }
 
   ui::TouchSelectionController* selection_controller = GetSelectionController();
   if (selection_controller)
     selection_controller->HideAndDisallowShowingAutomatically();
-  ui::OSExchangeData::Provider* provider = ui::OSExchangeData::CreateProvider();
-  PrepareDragData(drop_data, provider, web_contents_);
+  std::unique_ptr<ui::OSExchangeData::Provider> provider =
+      ui::OSExchangeDataProviderFactory::CreateProvider();
+  PrepareDragData(drop_data, provider.get(), web_contents_);
 
-  ui::OSExchangeData data(provider);  // takes ownership of |provider|.
+  ui::OSExchangeData data(
+      std::move(provider));  // takes ownership of |provider|.
 
   if (!image.isNull())
     drag_utils::SetDragImageOnDataObject(image, image_offset, &data);
 
   std::unique_ptr<WebDragSourceAura> drag_source(
       new WebDragSourceAura(GetNativeView(), web_contents_));
 
   // We need to enable recursive tasks on the message loop so we can get
   // updates while in the system DoDragDrop loop.
   int result_op = 0;
@@ skipping 305 matching lines @@
                                         bool allow_multiple_selection) {
   NOTIMPLEMENTED() << " show " << items.size() << " menu items";
 }
 
 void WebContentsViewAura::HidePopupMenu() {
   NOTIMPLEMENTED();
 }
 #endif
 
 }  // namespace content