pdf: Create a separate component for using the pdf pepper plugin.

components/pdf/renderer/ppb_pdf_impl.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// 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 CHROME_RENDERER_PEPPER_PPB_PDF_IMPL_H_
-#define CHROME_RENDERER_PEPPER_PPB_PDF_IMPL_H_
+#ifndef COMPONENT_PDF_RENDERER_PPB_PDF_IMPL_H_
+#define COMPONENT_PDF_RENDERER_PPB_PDF_IMPL_H_
 
 #include "ppapi/c/pp_instance.h"
 
 struct PPB_PDF;
 
+namespace pdf {
+
 class PPB_PDF_Impl {
  public:
+  class PrintDelegate {
+   public:
+    virtual ~PrintDelegate() {}
+
+    virtual bool IsPrintingEnabled(PP_Instance instance_id) = 0;
+
+    virtual void Print(PP_Instance instance_id) = 0;
+  };
+
   // Returns a pointer to the interface implementing PPB_PDF that is exposed
   // to the plugin.
   static const PPB_PDF* GetInterface();
 
   // Invokes the "Print" command for the given instance as if the user right
   // clicked on it and selected "Print".
   static void InvokePrintingForInstance(PP_Instance instance);
+
+  static void SetPrintDelegate(PrintDelegate* print_delegate);
 };
 
-#endif  // CHROME_RENDERER_PEPPER_PPB_PDF_IMPL_H_
+}  // namespace pdf
+
+#endif  // COMPONENT_PDF_RENDERER_PPB_PDF_IMPL_H_