browser-plugin: Allow accepting drag-n-drop events.

content/renderer/browser_plugin/browser_plugin.h

 // 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.
 
 #ifndef  CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_H_
 #define  CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_H_
 
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPlugin.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/sequenced_task_runner_helpers.h"
 #if defined(OS_WIN)
 #include "base/shared_memory.h"
 #endif
 #include "content/renderer/browser_plugin/browser_plugin_backing_store.h"
 #include "content/renderer/browser_plugin/browser_plugin_bindings.h"
 #include "content/renderer/render_view_impl.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebDragStatus.h"
 
 struct BrowserPluginHostMsg_ResizeGuest_Params;
 struct BrowserPluginMsg_DidNavigate_Params;
 struct BrowserPluginMsg_UpdateRect_Params;
 
 namespace content {
 
 class BrowserPluginManager;
 class MockBrowserPlugin;
 
@@ skipping 86 matching lines @@
       const WebKit::WebRect& frame_rect,
       const WebKit::WebRect& clip_rect,
       const WebKit::WebVector<WebKit::WebRect>& cut_outs_rects,
       bool is_visible) OVERRIDE;
   virtual void updateFocus(bool focused) OVERRIDE;
   virtual void updateVisibility(bool visible) OVERRIDE;
   virtual bool acceptsInputEvents() OVERRIDE;
   virtual bool handleInputEvent(
       const WebKit::WebInputEvent& event,
       WebKit::WebCursorInfo& cursor_info) OVERRIDE;
+  virtual bool handleDragStatusUpdate(WebKit::WebDragStatus drag_status,
+                                      const WebKit::WebDragData& drag_data,
+                                      WebKit::WebDragOperationsMask mask,
+                                      const WebKit::WebPoint& position,
+                                      const WebKit::WebPoint& screen) OVERRIDE;
   virtual void didReceiveResponse(
       const WebKit::WebURLResponse& response) OVERRIDE;
   virtual void didReceiveData(const char* data, int data_length) OVERRIDE;
   virtual void didFinishLoading() OVERRIDE;
   virtual void didFailLoading(const WebKit::WebURLError& error) OVERRIDE;
   virtual void didFinishLoadingFrameRequest(
       const WebKit::WebURL& url,
       void* notify_data) OVERRIDE;
   virtual void didFailLoadingFrameRequest(
       const WebKit::WebURL& url,
@@ skipping 82 matching lines @@
   // the changes are not always obvious.  For example, there is a maximum
   // number of entries and earlier ones will automatically be pruned.
   int current_nav_entry_index_;
   int nav_entry_count_;
   DISALLOW_COPY_AND_ASSIGN(BrowserPlugin);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_H_