Windows: Add an "Open in Adobe Reader" menu item for PDF files in the download shelf.

chrome/browser/download/chrome_download_manager_delegate.h

Index: chrome/browser/download/chrome_download_manager_delegate.h
diff --git a/chrome/browser/download/chrome_download_manager_delegate.h b/chrome/browser/download/chrome_download_manager_delegate.h
index 7cf2c452f906e2632aa06966aef78caa692d2c12..ff89300e398a45b02c4f07b1645a180c5c14673c 100644
--- a/chrome/browser/download/chrome_download_manager_delegate.h
+++ b/chrome/browser/download/chrome_download_manager_delegate.h
@@ -170,6 +170,9 @@ class ChromeDownloadManagerDelegate
       const content::DownloadTargetCallback& callback,
       scoped_ptr<DownloadTargetInfo> target_info);
 
+  // Returns true if |path| should open in the browser.
+  bool IsOpenInBrowserPreferreredForFile(const base::FilePath& path);
+
   Profile* profile_;
   uint32 next_download_id_;
   IdCallbackVector id_callbacks_;