Convert PDF component IPC to mojo.

components/pdf/common/pdf_messages.h

Index: components/pdf/common/pdf_messages.h
diff --git a/components/pdf/common/pdf_messages.h b/components/pdf/common/pdf_messages.h
deleted file mode 100644
index 20420cd2e4c82da45fb5f4511eb8062b6d324050..0000000000000000000000000000000000000000
--- a/components/pdf/common/pdf_messages.h
+++ /dev/null
@@ -1,26 +0,0 @@
-// 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.
-
-// Multiply-included file, no traditional include guard.
-#include <string.h>
-
-#include "content/public/common/common_param_traits_macros.h"
-#include "content/public/common/referrer.h"
-#include "ipc/ipc_message_macros.h"
-#include "url/gurl.h"
-#include "url/ipc/url_param_traits.h"
-
-#define IPC_MESSAGE_START PDFMsgStart
-
-// Updates the content restrictions, i.e. to disable print/copy.
-IPC_MESSAGE_ROUTED1(PDFHostMsg_PDFUpdateContentRestrictions,
-                    int /* restrictions */)
-
-// The currently displayed PDF has an unsupported feature.
-IPC_MESSAGE_ROUTED0(PDFHostMsg_PDFHasUnsupportedFeature)
-
-// Brings up SaveAs... dialog to save specified URL.
-IPC_MESSAGE_ROUTED2(PDFHostMsg_PDFSaveURLAs,
-                    GURL /* url */,
-                    content::Referrer /* referrer */)