Add functionality to the Windows 8 notification display functionality to invoke a caller specified …

chrome/browser/download/download_status_updater_win.cc

Index: chrome/browser/download/download_status_updater_win.cc
===================================================================
--- chrome/browser/download/download_status_updater_win.cc	(revision 160886)
+++ chrome/browser/download/download_status_updater_win.cc	(working copy)
@@ -7,15 +7,18 @@
 #include <string>
 #include <shobjidl.h>
 
+#include "base/file_path.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/string_number_conversions.h"
 #include "base/win/metro.h"
 #include "base/win/scoped_comptr.h"
 #include "base/win/windows_version.h"
+#include "chrome/browser/platform_util.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/browser_window.h"
+#include "content/public/browser/browser_thread.h"
 #include "googleurl/src/gurl.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
@@ -67,20 +70,29 @@
   }
 }
 
+void MetroDownloadNotificationClickedHandler(const wchar_t* download_path) {
+  // Metro chrome will invoke these handlers on the metro thread.
+  DCHECK(!content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+
+  // Ensure that we invoke the function to display the downloaded item on the
+  // UI thread.
+  content::BrowserThread::PostTask(
+      content::BrowserThread::UI, FROM_HERE,
+      base::Bind(platform_util::ShowItemInFolder, FilePath(download_path)));
+}
+
 }  // namespace
 
 void DownloadStatusUpdater::UpdateAppIconDownloadProgress(
     content::DownloadItem* download) {
 
   // Always update overall progress.
-
   float progress = 0;
   int download_count = 0;
   bool progress_known = GetProgress(&progress, &download_count);
   UpdateTaskbarProgressBar(download_count, progress_known, progress);
 
   // Fire notifications when downloads complete.
-
   if (!base::win::IsMetroProcess())
     return;
 
@@ -116,7 +128,9 @@
                          title.c_str(),
                          body.c_str(),
                          L"",
-                         notification_id.c_str());
+                         notification_id.c_str(),
+                         MetroDownloadNotificationClickedHandler,
+                         download->GetTargetFilePath().value().c_str());
   }
 }