Add NPChannelBase::GetModalDialogEvent() to avoid content/plugin/ include from npobject_proxy.cc

content/common/np_channel_base.h

 // Copyright (c) 2011 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_COMMON_NP_CHANNEL_BASE_H_
 #define CONTENT_COMMON_NP_CHANNEL_BASE_H_
 #pragma once
 
 #include <string>
 
@@ skipping 82 matching lines @@
   // Returns the most recent NPChannelBase to have received a message
   // in this process.
   static NPChannelBase* GetCurrentChannel();
 
   static void CleanupChannels();
 
   // Returns the NPObjectBase object for the route id passed in.
   // Returns NULL on failure.
   NPObjectBase* GetNPObjectListenerForRoute(int route_id);
 
+  // Returns the event that's set when a call to the renderer causes a modal
+  // dialog to come up. The default implementation returns NULL. Derived
+  // classes should override this method if this functionality is required.
+  virtual base::WaitableEvent* GetModalDialogEvent(
+      gfx::NativeViewId containing_window);
+
  protected:
   typedef NPChannelBase* (*ChannelFactory)();
 
   friend class base::RefCountedThreadSafe<NPChannelBase>;
 
   virtual ~NPChannelBase();
 
   // Returns a NPChannelBase derived object for the given channel name.
   // If an existing channel exists returns that object, otherwise creates a
   // new one.  Even though on creation the object is refcounted, each caller
@@ skipping 74 matching lines @@
   // a result of a sync call from the renderer must unblock the renderer.  We
   // additionally have to do this for async messages from the renderer that
   // have the unblock flag set, since they could be followed by a sync message
   // that won't get dispatched until the call to the renderer is complete.
   bool send_unblocking_only_during_unblock_dispatch_;
 
   DISALLOW_COPY_AND_ASSIGN(NPChannelBase);
 };
 
 #endif  // CONTENT_COMMON_NP_CHANNEL_BASE_H_