Replace void* with int32 for passing download_id to SelectFileDialog::Listener.

content/shell/shell_download_manager_delegate.cc

Index: content/shell/shell_download_manager_delegate.cc
===================================================================
--- content/shell/shell_download_manager_delegate.cc	(revision 124549)
+++ content/shell/shell_download_manager_delegate.cc	(working copy)
@@ -104,7 +104,7 @@
 void ShellDownloadManagerDelegate::ChooseDownloadPath(
     WebContents* web_contents,
     const FilePath& suggested_path,
-    void* data) {
+    int32 download_id) {
   FilePath result;
 #if defined(OS_WIN)
   std::wstring file_part = FilePath(suggested_path).BaseName().value();
@@ -132,9 +132,9 @@
 #endif
 
   if (result.empty()) {
-    download_manager_->FileSelectionCanceled(data);
+    download_manager_->FileSelectionCanceled(download_id);
   } else {
-    download_manager_->FileSelected(result, data);
+    download_manager_->FileSelected(result, download_id);
   }
 }