[Autofill] Only query for newly parsed forms

components/autofill/core/browser/autofill_manager.h

Index: components/autofill/core/browser/autofill_manager.h
diff --git a/components/autofill/core/browser/autofill_manager.h b/components/autofill/core/browser/autofill_manager.h
index c9f385fcd566b6ceca2ef6f9731ac49f97b10c39..0cdbf9727f9e95648d47988d2f60bfcff6d8758a 100644
--- a/components/autofill/core/browser/autofill_manager.h
+++ b/components/autofill/core/browser/autofill_manager.h
@@ -239,6 +239,9 @@ class AutofillManager : public AutofillDownloadManager::Observer,
   AutofillExternalDelegate* external_delegate() {
     return external_delegate_;
   }
+  void set_download_manager(AutofillDownloadManager* manager) {

[Mathieu, 2015/09/29 18:35:18]

Went with this approach for testing, since the AutofillManager holds on to an
AutofillDownloadManager pointer, but is an argument to the constructor of
AutofillDownloadManager as well. Hence you can't add AutofillDownloadManager to
the [test] constructor of AutofillManager.

+    download_manager_.reset(manager);
+  }
 
  private:
   // AutofillDownloadManager::Observer: