[Experimental] Supporting OOPIF printing

third_party/WebKit/Source/core/frame/RemoteFrameClient.h

 // Copyright 2014 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 RemoteFrameClient_h
 #define RemoteFrameClient_h
 
 #include "core/frame/FrameClient.h"
 #include "core/frame/FrameTypes.h"
 #include "core/loader/FrameLoaderTypes.h"
@@ skipping 21 matching lines @@
   virtual void forwardPostMessage(MessageEvent*,
                                   PassRefPtr<SecurityOrigin> target,
                                   LocalFrame* sourceFrame) const = 0;
 
   // FIXME: Remove this method once we have input routing in the browser
   // process. See http://crbug.com/339659.
   virtual void forwardInputEvent(Event*) = 0;
 
   virtual void frameRectsChanged(const IntRect& frameRect) = 0;
 
+  virtual int print(const IntRect& size, int pageNum) = 0;
+
   virtual void updateRemoteViewportIntersection(
       const IntRect& viewportIntersection) = 0;
 
   virtual void advanceFocus(WebFocusType, LocalFrame* source) = 0;
 
   virtual void visibilityChanged(bool visible) = 0;
 };
 
 }  // namespace blink
 
 #endif  // RemoteFrameClient_h