Initialize V8 in PDFium from external files (in-renderer process only).

components/pdf/renderer/ppb_pdf_impl.cc

 // Copyright (c) 2012 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/ppb_pdf_impl.h"
 
 #include "base/files/scoped_file.h"
 #include "base/metrics/histogram.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
 #include "components/pdf/common/pdf_messages.h"
 #include "components/pdf/renderer/pdf_resource_util.h"
 #include "content/public/common/child_process_sandbox_support_linux.h"
 #include "content/public/common/referrer.h"
 #include "content/public/renderer/pepper_plugin_instance.h"
 #include "content/public/renderer/render_thread.h"
 #include "content/public/renderer/render_view.h"
+#include "gin/public/isolate_holder.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/private/ppb_pdf.h"
 #include "ppapi/c/trusted/ppb_browser_font_trusted.h"
 #include "ppapi/shared_impl/ppapi_globals.h"
 #include "ppapi/shared_impl/resource.h"
 #include "ppapi/shared_impl/resource_tracker.h"
 #include "ppapi/shared_impl/var.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebElement.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
@@ skipping 293 matching lines @@
 }
 
 void SetLinkUnderCursor(PP_Instance instance_id, const char* url) {
   content::PepperPluginInstance* instance =
       content::PepperPluginInstance::Get(instance_id);
   if (!instance)
     return;
   instance->SetLinkUnderCursor(url);
 }
 
+void GetV8ExternalSnapshotData(const char** natives_data_out,
+                               int* natives_size_out,
+                               const char** snapshot_data_out,
+                               int* snapshot_size_out) {
+  gin::IsolateHolder::GetV8ExternalSnapshotData(natives_data_out,
+      natives_size_out, snapshot_data_out, snapshot_size_out);
+}
+
 const PPB_PDF ppb_pdf = {                      //
     &GetLocalizedString,                       //
     &GetResourceImage,                         //
     &GetFontFileWithFallback,                  //
     &GetFontTableForPrivateFontFile,           //
     &SearchString,                             //
     &DidStartLoading,                          //
     &DidStopLoading,                           //
     &SetContentRestriction,                    //
     &HistogramPDFPageCount,                    //
     &UserMetricsRecordAction,                  //
     &HasUnsupportedFeature,                    //
     &SaveAs,                                   //
     &Print,                                    //
     &IsFeatureEnabled,                         //
     &GetResourceImageForScale,                 //
     &ModalPromptForPassword,                   //
     &IsOutOfProcess,                           //
     &SetSelectedText,                          //
     &SetLinkUnderCursor,                       //
+    &GetV8ExternalSnapshotData,                //
 };
 
 }  // namespace
 
 // static
 const PPB_PDF* PPB_PDF_Impl::GetInterface() {
   return &ppb_pdf;
 }
 
 // static
 bool PPB_PDF_Impl::InvokePrintingForInstance(PP_Instance instance_id) {
   return g_print_client ? g_print_client->Print(instance_id) : false;
 }
 
 void PPB_PDF_Impl::SetPrintClient(PPB_PDF_Impl::PrintClient* client) {
   CHECK(!g_print_client) << "There should only be a single PrintClient.";
   g_print_client = client;
 }
 
 }  // namespace pdf