[Experimental] Supporting OOPIF printing

content/browser/frame_host/render_frame_proxy_host.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 CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_PROXY_HOST_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_PROXY_HOST_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 104 matching lines @@
   bool is_render_frame_proxy_live() { return render_frame_proxy_created_; }
 
  private:
   // IPC Message handlers.
   void OnDetach();
   void OnOpenURL(const FrameHostMsg_OpenURL_Params& params);
   void OnRouteMessageEvent(const FrameMsg_PostMessage_Params& params);
   void OnDidChangeOpener(int32_t opener_routing_id);
   void OnAdvanceFocus(blink::WebFocusType type, int32_t source_routing_id);
   void OnFrameFocused();
+  void OnPrintRemoteFrame(const gfx::Rect& rect, int page_num);
 
   // This RenderFrameProxyHost's routing id.
   int routing_id_;
 
   // The SiteInstance this proxy is associated with.
   scoped_refptr<SiteInstance> site_instance_;
 
   // The renderer process this RenderFrameHostProxy is associated with. It is
   // equivalent to the result of site_instance_->GetProcess(), but that
   // method has the side effect of creating the process if it doesn't exist.
@@ skipping 16 matching lines @@
   // kept alive as long as any RenderFrameHosts or RenderFrameProxyHosts
   // are associated with it.
   RenderViewHostImpl* render_view_host_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameProxyHost);
 };
 
 }  // namespace
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_PROXY_HOST_H_