Plumb the DragOperation through all the layers between the platform DnD code ...

chrome/browser/extensions/extension_host.cc

 // Copyright (c) 2006-2009 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 "chrome/browser/extensions/extension_host.h"
 
 #include "app/resource_bundle.h"
 #include "base/string_util.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/browser_list.h"
@@ skipping 12 matching lines @@
 #include "chrome/common/pref_names.h"
 #include "chrome/common/pref_service.h"
 #include "chrome/common/view_types.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/url_constants.h"
 
 #include "grit/browser_resources.h"
 
 #include "webkit/glue/context_menu.h"
 
+using WebKit::WebDragOperation;
+using WebKit::WebDragOperationsMask;
+
 // static
 bool ExtensionHost::enable_dom_automation_ = false;
 
 ExtensionHost::ExtensionHost(Extension* extension, SiteInstance* site_instance,
                              const GURL& url, ViewType::Type host_type)
     : extension_(extension),
       profile_(site_instance->browsing_instance()->profile()),
       did_stop_loading_(false),
       document_element_available_(false),
       url_(url),
@@ skipping 225 matching lines @@
   // TODO(erikkay): These two lines could be refactored with TabContentsView.
   widget_host_view->InitAsPopup(render_view_host()->view(), initial_pos);
   widget_host_view->GetRenderWidgetHost()->Init();
 }
 
 void ExtensionHost::ShowContextMenu(const ContextMenuParams& params) {
   // TODO(erikkay) - This is a temporary hack.  Show a menu here instead.
   DevToolsManager::GetInstance()->OpenDevToolsWindow(render_view_host());
 }
 
-void ExtensionHost::StartDragging(const WebDropData& drop_data) {
+void ExtensionHost::StartDragging(const WebDropData& drop_data,
+    WebDragOperationsMask operation_mask) {
 }
 
-void ExtensionHost::UpdateDragCursor(bool is_drop_target) {
+void ExtensionHost::UpdateDragCursor(WebDragOperation operation) {
 }
 
 void ExtensionHost::GotFocus() {
 }
 
 void ExtensionHost::TakeFocus(bool reverse) {
 }
 
 void ExtensionHost::HandleKeyboardEvent(const NativeWebKeyboardEvent& event) {
 }
@@ skipping 57 matching lines @@
     window_id = ExtensionTabUtil::GetWindowId(
         const_cast<ExtensionHost* >(this)->GetBrowser());
   } else if (extension_host_type_ == ViewType::EXTENSION_BACKGROUND_PAGE) {
     // Background page is not attached to any browser window, so pass -1.
     window_id = -1;
   } else {
     NOTREACHED();
   }
   return window_id;
 }