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"
@@ skipping 311 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);
 }
 
+#if !defined(OS_ANDROID) && defined(V8_USE_EXTERNAL_STARTUP_DATA)
+const char* GetV8NativesData(PP_Instance instance_id) {

[rmcilroy, 2014/11/04 21:58:12]

Random drive-by comment: Could we just have a single API call added which
returns all the necessary data in one go (e.g.,
GetV8ExternalSnapshotData(PP_Instance instance_id, char** natives_data_out, int*
natives_size_out, char** snapshot_data_out, int* snapshot_size_out)?

[raymes, 2014/11/04 22:18:13]

+1

[baixo1, 2014/11/07 21:35:34]

Done.

+  content::PepperPluginInstance* instance =
+      content::PepperPluginInstance::Get(instance_id);
+  if (!instance)
+    return NULL;
+  return instance->GetV8NativesData();
+}
+
+const char* GetV8SnapshotData(PP_Instance instance_id) {
+  content::PepperPluginInstance* instance =
+      content::PepperPluginInstance::Get(instance_id);
+  if (!instance)
+    return NULL;
+  return instance->GetV8SnapshotData();
+}
+
+int GetV8NativesSize(PP_Instance instance_id) {
+  content::PepperPluginInstance* instance =
+      content::PepperPluginInstance::Get(instance_id);
+  if (!instance)
+    return 0;
+  return instance->GetV8NativesSize();
+}
+
+int GetV8SnapshotSize(PP_Instance instance_id) {
+  content::PepperPluginInstance* instance =
+      content::PepperPluginInstance::Get(instance_id);
+  if (!instance)
+    return 0;
+  return instance->GetV8SnapshotSize();
+}
+#endif  // !defined(OS_ANDROID) && defined(V8_USE_EXTERNAL_STARTUP_DATA)
+
 const PPB_PDF ppb_pdf = {                      //
     &GetLocalizedString,                       //
     &GetResourceImage,                         //
     &GetFontFileWithFallback,                  //
     &GetFontTableForPrivateFontFile,           //
     &SearchString,                             //
     &DidStartLoading,                          //
     &DidStopLoading,                           //
     &SetContentRestriction,                    //
     &HistogramPDFPageCount,                    //
     &UserMetricsRecordAction,                  //
     &HasUnsupportedFeature,                    //
     &SaveAs,                                   //
     &Print,                                    //
     &IsFeatureEnabled,                         //
     &GetResourceImageForScale,                 //
     &ModalPromptForPassword,                   //
     &IsOutOfProcess,                           //
     &SetSelectedText,                          //
     &SetLinkUnderCursor,                       //
+#if !defined(OS_ANDROID) && defined(V8_USE_EXTERNAL_STARTUP_DATA)
+    &GetV8NativesData,                         //
+    &GetV8SnapshotData,                        //
+    &GetV8NativesSize,                         //
+    &GetV8SnapshotSize,                        //
+#endif  // !defined(OS_ANDROID) && defined(V8_USE_EXTERNAL_STARTUP_DATA)
 };
 
 }  // 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