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

content/public/renderer/pepper_plugin_instance.h

Index: content/public/renderer/pepper_plugin_instance.h
diff --git a/content/public/renderer/pepper_plugin_instance.h b/content/public/renderer/pepper_plugin_instance.h
index d397fbc2ad0108695175ab244c67eae37e018de7..56e7d87de58588309f722c5a9aa6a1acf62b7f3a 100644
--- a/content/public/renderer/pepper_plugin_instance.h
+++ b/content/public/renderer/pepper_plugin_instance.h
@@ -117,6 +117,13 @@ class PepperPluginInstance {
 
   // Posts a message to the JavaScript object for this instance.
   virtual void PostMessageToJavaScript(PP_Var message) = 0;
+
+#if !defined(OS_ANDROID) && defined(V8_USE_EXTERNAL_STARTUP_DATA)
+  virtual const char* GetV8NativesData() const = 0;
+  virtual const char* GetV8SnapshotData() const = 0;
+  virtual int GetV8NativesSize() const = 0;
+  virtual int GetV8SnapshotSize() const = 0;
+#endif  // !defined(OS_ANDROID) && defined(V8_USE_EXTERNAL_STARTUP_DATA)
 };
 
 }  // namespace content