Add private PPAPI interfaces for PDFium accessibility.

ppapi/proxy/pdf_resource.cc

 // Copyright (c) 2013 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.
 
 #include "ppapi/proxy/pdf_resource.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
@@ skipping 150 matching lines @@
 }
 
 void PDFResource::GetV8ExternalSnapshotData(const char** natives_data_out,
                                             int* natives_size_out,
                                             const char** snapshot_data_out,
                                             int* snapshot_size_out) {
   gin::V8Initializer::GetV8ExternalSnapshotData(
       natives_data_out, natives_size_out, snapshot_data_out, snapshot_size_out);
 }
 
+void PDFResource::SetAccessibilityDocInfo(
+    PP_PrivateAccessibilityDocInfo* doc_info) {
+  Post(RENDERER, PpapiHostMsg_PDF_SetAccessibilityDocInfo(*doc_info));
+}
+
+void PDFResource::SetAccessibilityViewportInfo(
+    PP_PrivateAccessibilityViewportInfo* viewport_info) {
+  Post(RENDERER, PpapiHostMsg_PDF_SetAccessibilityViewportInfo(*viewport_info));
+}
+
+void PDFResource::SetAccessibilityPageInfo(
+    PP_PrivateAccessibilityPageInfo* page_info,
+    PP_PrivateAccessibilityTextRunInfo text_runs[],
+    PP_PrivateAccessibilityCharInfo chars[]) {
+  std::vector<PP_PrivateAccessibilityTextRunInfo> text_run_vector(
+      text_runs, text_runs + page_info->text_run_count);
+  std::vector<PP_PrivateAccessibilityCharInfo> char_vector(
+      chars, chars + page_info->char_count);
+  Post(RENDERER, PpapiHostMsg_PDF_SetAccessibilityPageInfo(
+                     *page_info, text_run_vector, char_vector));
+}
+
 }  // namespace proxy
 }  // namespace ppapi