Add private PPAPI interfaces for PDFium accessibility.

components/pdf/renderer/pepper_pdf_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 COMPONENTS_PDF_RENDERER_PEPPER_PDF_HOST_H_
 #define COMPONENTS_PDF_RENDERER_PEPPER_PDF_HOST_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 71 matching lines @@
       ppapi::host::HostMessageContext* context,
       const std::string& action);
   int32_t OnHostMsgHasUnsupportedFeature(
       ppapi::host::HostMessageContext* context);
   int32_t OnHostMsgPrint(ppapi::host::HostMessageContext* context);
   int32_t OnHostMsgSaveAs(ppapi::host::HostMessageContext* context);
   int32_t OnHostMsgSetSelectedText(ppapi::host::HostMessageContext* context,
                                    const base::string16& selected_text);
   int32_t OnHostMsgSetLinkUnderCursor(ppapi::host::HostMessageContext* context,
                                       const std::string& url);
+  int32_t OnHostMsgSetAccessibilityViewportInfo(
+      ppapi::host::HostMessageContext* context,
+      const PP_PrivateAccessibilityViewportInfo& viewport_info);
+  int32_t OnHostMsgSetAccessibilityDocInfo(
+      ppapi::host::HostMessageContext* context,
+      const PP_PrivateAccessibilityDocInfo& doc_info);
+  int32_t OnHostMsgSetAccessibilityPageInfo(
+      ppapi::host::HostMessageContext* context,
+      const PP_PrivateAccessibilityPageInfo& page_info,
+      const std::vector<PP_PrivateAccessibilityTextRunInfo>& text_runs,
+      const std::vector<PP_PrivateAccessibilityCharInfo>& chars);
 
   content::RendererPpapiHost* host_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperPDFHost);
 };
 
 }  // namespace pdf
 
 #endif  // COMPONENTS_PDF_RENDERER_PEPPER_PDF_HOST_H_