Make printing work better with OOPIF. (try 2)

android_webview/browser/aw_print_manager.h

Index: android_webview/browser/aw_print_manager.h
diff --git a/android_webview/browser/aw_print_manager.h b/android_webview/browser/aw_print_manager.h
index dc6d7439123c3e1584bbbe98a4caf7bf8dd3f086..0e36b2c701ba702d3229622e7686aec3f2681f86 100644
--- a/android_webview/browser/aw_print_manager.h
+++ b/android_webview/browser/aw_print_manager.h
@@ -35,8 +35,13 @@ class AwPrintManager : public printing::PrintManager,
                  const base::FileDescriptor& file_descriptor,
                  const PdfWritingDoneCallback& callback);
 
-  bool OnMessageReceived(const IPC::Message& message) override;
-  void OnGetDefaultPrintSettings(IPC::Message* reply_msg);
+  // printing::PrintManager:
+  bool OnMessageReceived(const IPC::Message& message,
+                         content::RenderFrameHost* render_frame_host) override;
+
+  // IPC Handlers
+  void OnGetDefaultPrintSettings(content::RenderFrameHost* render_frame_host,
+                                 IPC::Message* reply_msg);
 
   printing::PrintSettings settings_;