Move webkit/plugins/ppapi/ppb_pdf.h to ppapi/c/private.

ppapi/proxy/ppb_pdf_proxy.cc

Index: ppapi/proxy/ppb_pdf_proxy.cc
===================================================================
--- ppapi/proxy/ppb_pdf_proxy.cc	(revision 71254)
+++ ppapi/proxy/ppb_pdf_proxy.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -11,10 +11,10 @@
 #include "base/linked_ptr.h"
 #include "base/logging.h"
 #include "build/build_config.h"
+#include "ppapi/c/private/ppb_pdf.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/plugin_resource.h"
 #include "ppapi/proxy/ppapi_messages.h"
-#include "webkit/plugins/ppapi/ppb_pdf.h"
 
 namespace pp {
 namespace proxy {