PDF: Check the loaded URL in sendScriptingMessage_().

pdf/pdf_engine.h

Index: pdf/pdf_engine.h
diff --git a/pdf/pdf_engine.h b/pdf/pdf_engine.h
index 4d17a403b184ebfa856c76a384a5f9de49319e6f..a7cb2da95c7f98455815657d72363ff2a4aa70be 100644
--- a/pdf/pdf_engine.h
+++ b/pdf/pdf_engine.h
@@ -159,6 +159,9 @@ class PDFEngine {
     // Notifies the client that the engine has painted a page from the document.
     virtual void DocumentPaintOccurred() = 0;
 
+    // Notifies the client that the document at |url| loaded.
+    virtual void OnGotActualURL(const std::string& url) = 0;
+
     // Notifies the client that the document has finished loading.
     virtual void DocumentLoadComplete(int page_count) = 0;