Fix crash when a download is requested for an outdated plugin.

chrome/browser/plugins/plugin_installer.h

Index: chrome/browser/plugins/plugin_installer.h
diff --git a/chrome/browser/plugins/plugin_installer.h b/chrome/browser/plugins/plugin_installer.h
index 8dca3fd7c29d53d4181a83c21a1c850c479993a7..5c6a25437ac0036a07129086f2def99e0b497c2d 100644
--- a/chrome/browser/plugins/plugin_installer.h
+++ b/chrome/browser/plugins/plugin_installer.h
@@ -48,17 +48,13 @@ class PluginInstaller : public content::DownloadItem::Observer {
 
   InstallerState state() const { return state_; }
 
-  // Opens the download URL in a new tab. This method should only be called if
-  // |url_for_display| returns true.
-  void OpenDownloadURL(bool url_for_display,
-                       const GURL& plugin_url,
+  // Opens the download URL in a new tab.
+  void OpenDownloadURL(GURL plugin_url,
                        content::WebContents* web_contents);
 
   // Starts downloading the download URL and opens the downloaded file
-  // when finished. This method should only be called if |url_for_display|
-  // returns false.
-  void StartInstalling(bool url_for_display,
-                       const GURL& plugin_url,
+  // when finished.
+  void StartInstalling(GURL plugin_url,
                        TabContents* tab_contents);
 
  private: