Option-click to download should not display "Save As" UI.

chrome/browser/history/download_types.h

Index: chrome/browser/history/download_types.h
diff --git a/chrome/browser/history/download_types.h b/chrome/browser/history/download_types.h
index 4db21e4104330d2da9d5f80726701b5cd481f579..642ac5bd7d5bbc6405ba1d857f0918381257051a 100644
--- a/chrome/browser/history/download_types.h
+++ b/chrome/browser/history/download_types.h
@@ -39,7 +39,7 @@ struct DownloadCreateInfo {
         render_view_id(-1),
         request_id(-1),
         db_handle(0),
-        save_as(false),
+        prompt_user_for_save_location(false),
         is_dangerous(false),
         is_extension_install(false) {
   }
@@ -54,7 +54,7 @@ struct DownloadCreateInfo {
         render_view_id(-1),
         request_id(-1),
         db_handle(0),
-        save_as(false),
+        prompt_user_for_save_location(false),
         is_dangerous(false),
         is_extension_install(false) {
   }
@@ -82,7 +82,12 @@ struct DownloadCreateInfo {
   // may be different from |mime_type|, which may be set based on heuristics
   // which may look at the file extension and first few bytes of the file.
   std::string original_mime_type;
-  bool save_as;
+
+  // True if we should display the 'save as...' UI and prompt the user
+  // for the download location.
+  // False if the UI should be supressed and the download performed to the
+  // default location.
+  bool prompt_user_for_save_location;
   // Whether this download is potentially dangerous (ex: exe, dll, ...).
   bool is_dangerous;
   // The original name for a dangerous download.