Fixed drag and drop into and out of Browser Plugin.

content/browser/browser_plugin/browser_plugin_guest.h

Index: content/browser/browser_plugin/browser_plugin_guest.h
diff --git a/content/browser/browser_plugin/browser_plugin_guest.h b/content/browser/browser_plugin/browser_plugin_guest.h
index 5ab1457fd3661441a0bb6ea38e92e7665ff858ae..099449af482750d5c1d213c1c6203432a05bec23 100644
--- a/content/browser/browser_plugin/browser_plugin_guest.h
+++ b/content/browser/browser_plugin/browser_plugin_guest.h
@@ -57,6 +57,7 @@ namespace content {
 
 class BrowserPluginHostFactory;
 class BrowserPluginEmbedder;
+class DragEventSourceInfo;
 class RenderProcessHost;
 
 // A browser plugin guest provides functionality for WebContents to operate in
@@ -259,6 +260,7 @@ class CONTENT_EXPORT BrowserPluginGuest : public NotificationObserver,
                       int* route_id,
                       int* surface_id,
                       int64* cloned_session_storage_namespace_id);
+  void OnDragStopped();
   void OnHandleInputEventAck(
       WebKit::WebInputEvent::Type event_type,
       InputEventAckState ack_result);
@@ -270,9 +272,9 @@ class CONTENT_EXPORT BrowserPluginGuest : public NotificationObserver,
   void OnShowPopup(const ViewHostMsg_ShowPopup_Params& params);
 #endif
   void OnShowWidget(int route_id, const gfx::Rect& initial_pos);
+  void OnStartDragging(bool* handled);
   // Overriden in tests.
   virtual void OnTakeFocus(bool reverse);
-  void OnUpdateDragCursor(WebKit::WebDragOperation operation);
   void OnUpdateFrameName(int frame_id,
                          bool is_top_level,
                          const std::string& name);