Reland 156033 - Add an icon and bubble to the location bar to open PDFs in Reader.

chrome/browser/ui/pdf/open_pdf_in_reader_prompt_delegate.h

Index: chrome/browser/ui/pdf/open_pdf_in_reader_prompt_delegate.h
diff --git a/chrome/browser/ui/pdf/open_pdf_in_reader_prompt_delegate.h b/chrome/browser/ui/pdf/open_pdf_in_reader_prompt_delegate.h
index eb90d0632cc4e10bc392f3f53e2014fbf6727489..b2e796cbbef179a3e440a9edd0898347e682d226 100644
--- a/chrome/browser/ui/pdf/open_pdf_in_reader_prompt_delegate.h
+++ b/chrome/browser/ui/pdf/open_pdf_in_reader_prompt_delegate.h
@@ -7,6 +7,10 @@
 
 #include "base/string16.h"
 
+namespace content {
+struct LoadCommittedDetails;
+}
+
 class OpenPDFInReaderPromptDelegate {
  public:
   virtual ~OpenPDFInReaderPromptDelegate() {}
@@ -17,6 +21,9 @@ class OpenPDFInReaderPromptDelegate {
 
   virtual string16 GetCancelButtonText() const = 0;
 
+  virtual bool ShouldExpire(
+      const content::LoadCommittedDetails& details) const = 0;
+
   virtual void Accept() = 0;
 
   virtual void Cancel() = 0;