Load V8 external data prior to initializng PDFium SDK.

pdf/pdf.cc

 // Copyright (c) 2010 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 "pdf/pdf.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "pdf/instance.h"
 #include "pdf/out_of_process_instance.h"
 #include "ppapi/c/ppp.h"
 #include "ppapi/cpp/private/pdf.h"
+#include "v8/include/v8.h"
 
 bool g_sdk_initialized_via_pepper = false;
 
 // The Mac release builds discard CreateModule and the entire PDFModule
 // definition because they are not referenced here. This causes the Pepper
 // exports (PPP_GetInterface etc) to not be exported. So we force the linker
 // to include this code by using __attribute__((used)).
 #if __GNUC__ >= 4
 #define PDF_USED __attribute__((used))
 #else
@@ skipping 63 matching lines @@
     g_sdk_initialized_via_pepper = false;
   }
 }
 
 bool PDFModule::Init() {
   return true;
 }
 
 pp::Instance* PDFModule::CreateInstance(PP_Instance instance) {
   if (!g_sdk_initialized_via_pepper) {
+    v8::StartupData natives;
+    v8::StartupData snapshot;
+    pp::PDF::GetV8ExternalSnapshotData(pp::InstanceHandle(instance),
+                                       &natives.data, &natives.raw_size,
+                                       &snapshot.data, &snapshot.raw_size);
+    if (natives.data) {
+      v8::V8::SetNativesDataBlob(&natives);
+      v8::V8::SetSnapshotDataBlob(&snapshot);
+    }
     if (!chrome_pdf::InitializeSDK())
       return NULL;
     g_sdk_initialized_via_pepper = true;
   }
 
   if (pp::PDF::IsOutOfProcess(pp::InstanceHandle(instance)))
     return new OutOfProcessInstance(instance);
   return new Instance(instance);
 }
 
@@ skipping 149 matching lines @@
       autorotate);
   bool ret = engine_exports->RenderPDFPageToBitmap(
       pdf_buffer, pdf_buffer_size, page_number, settings, bitmap_buffer);
   if (!g_sdk_initialized_via_pepper) {
     chrome_pdf::ShutdownSDK();
   }
   return ret;
 }
 
 }  // extern "C"