Hookup the window.open flash download interception to the permission prompt

chrome/browser/plugins/flash_download_interception.h

Index: chrome/browser/plugins/flash_download_interception.h
diff --git a/chrome/browser/plugins/flash_download_interception.h b/chrome/browser/plugins/flash_download_interception.h
index 3b5b8e1849a044a70d2ea5aea20f3fe689d0c7b9..7e554dd8aed8c407f6c3ad5fd5954c06f19ffdc3 100644
--- a/chrome/browser/plugins/flash_download_interception.h
+++ b/chrome/browser/plugins/flash_download_interception.h
@@ -12,6 +12,7 @@
 namespace content {
 class NavigationHandle;
 class NavigationThrottle;
+class WebContents;
 }
 
 class HostContentSettingsMap;
@@ -22,6 +23,7 @@ class GURL;
 // Chrome already ships with it. Note that this is an UI thread class.
 class FlashDownloadInterception {
  public:
+  static void InterceptFlashDownloadNavigation(content::WebContents* source);
   static bool ShouldStopFlashDownloadAction(
       HostContentSettingsMap* host_content_settings_map,
       const GURL& source_url,