Add private PPAPI interfaces for PDFium accessibility.

components/pdf/renderer/pepper_pdf_host.cc

 // 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.
 
 #include "components/pdf/renderer/pepper_pdf_host.h"
 
 #include "components/pdf/common/pdf_messages.h"
 #include "content/public/common/referrer.h"
 #include "content/public/renderer/pepper_plugin_instance.h"
 #include "content/public/renderer/render_thread.h"
@@ skipping 61 matching lines @@
                                         OnHostMsgHasUnsupportedFeature)
     PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_PDF_Print, OnHostMsgPrint)
     PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_PDF_SaveAs,
                                         OnHostMsgSaveAs)
     PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_PDF_SetSelectedText,
                                       OnHostMsgSetSelectedText)
     PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_PDF_SetLinkUnderCursor,
                                       OnHostMsgSetLinkUnderCursor)
     PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_PDF_SetContentRestriction,
                                       OnHostMsgSetContentRestriction)
+    PPAPI_DISPATCH_HOST_RESOURCE_CALL(
+        PpapiHostMsg_PDF_SetAccessibilityViewportInfo,
+        OnHostMsgSetAccessibilityViewportInfo)
+    PPAPI_DISPATCH_HOST_RESOURCE_CALL(
+        PpapiHostMsg_PDF_SetAccessibilityDocInfo,
+        OnHostMsgSetAccessibilityDocInfo)
+    PPAPI_DISPATCH_HOST_RESOURCE_CALL(
+        PpapiHostMsg_PDF_SetAccessibilityPageInfo,
+        OnHostMsgSetAccessibilityPageInfo)
+    PPAPI_DISPATCH_HOST_RESOURCE_CALL(
+        PpapiHostMsg_PDF_SetAccessibilityTextRunInfo,
+        OnHostMsgSetAccessibilityTextRunInfo)
   PPAPI_END_MESSAGE_MAP()
   return PP_ERROR_FAILED;
 }
 
 int32_t PepperPDFHost::OnHostMsgDidStartLoading(
     ppapi::host::HostMessageContext* context) {
   content::PepperPluginInstance* instance =
       host_->GetPluginInstance(pp_instance());
   if (!instance)
     return PP_ERROR_FAILED;
@@ skipping 84 matching lines @@
     ppapi::host::HostMessageContext* context,
     const std::string& url) {
   content::PepperPluginInstance* instance =
       host_->GetPluginInstance(pp_instance());
   if (!instance)
     return PP_ERROR_FAILED;
   instance->SetLinkUnderCursor(url);
   return PP_OK;
 }
 
+int32_t PepperPDFHost::OnHostMsgSetAccessibilityViewportInfo(
+    ppapi::host::HostMessageContext* context,
+    const PP_PrivateAccessibilityViewportInfo& viewport_info) {
+  return PP_OK;
+}
+
+int32_t PepperPDFHost::OnHostMsgSetAccessibilityDocInfo(
+    ppapi::host::HostMessageContext* context,
+    const PP_PrivateAccessibilityDocInfo& doc_info) {
+  return PP_OK;
+}
+
+int32_t PepperPDFHost::OnHostMsgSetAccessibilityPageInfo(
+    ppapi::host::HostMessageContext* context,
+    uint32_t page_index,
+    const PP_PrivateAccessibilityPageInfo& page_info) {
+  return PP_OK;
+}
+
+int32_t PepperPDFHost::OnHostMsgSetAccessibilityTextRunInfo(
+    ppapi::host::HostMessageContext* context,
+    uint32_t page_index,
+    uint32_t text_run_index,
+    const PP_PrivateAccessibilityTextRunInfo& text_run_info,
+    const std::vector<PP_PrivateAccessibilityCharInfo>& chars) {
+  return PP_OK;
+}
+
 }  // namespace pdf