Processing USERNAME reply from Autofill server in Password Manager

components/autofill/content/renderer/password_autofill_agent.h

Index: components/autofill/content/renderer/password_autofill_agent.h
diff --git a/components/autofill/content/renderer/password_autofill_agent.h b/components/autofill/content/renderer/password_autofill_agent.h
index 4609930eefb4b9b464d88fde2d4675c368c8b71c..54f90c67eb66aa7ebbc37e32e84247e16895d980 100644
--- a/components/autofill/content/renderer/password_autofill_agent.h
+++ b/components/autofill/content/renderer/password_autofill_agent.h
@@ -11,6 +11,7 @@
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
+#include "components/autofill/core/common/form_data_predictions.h"
 #include "components/autofill/core/common/password_form_fill_data.h"
 #include "content/public/renderer/render_frame_observer.h"
 #include "content/public/renderer/render_view_observer.h"
@@ -177,6 +178,8 @@ class PasswordAutofillAgent : public content::RenderFrameObserver {
   // RenderView IPC handlers:
   void OnFillPasswordForm(int key, const PasswordFormFillData& form_data);
   void OnSetLoggingState(bool active);
+  void OnAutofillUsernameDataReceived(
+      const std::map<autofill::FormData, autofill::FormFieldData>& predictions);
 
   // Scans the given frame for password forms and sends them up to the browser.
   // If |only_visible| is true, only forms visible in the layout are sent.
@@ -278,6 +281,9 @@ class PasswordAutofillAgent : public content::RenderFrameObserver {
   // save password prompt on in-page navigations.
   bool save_password_on_in_page_navigation_;
 
+  // Contains information which field is username for forms on the page.

[Ilya Sherman, 2015/03/31 00:45:04]

nit: "Contains server predictions for which field is the username field ..."

[dvadym, 2015/03/31 09:54:03]

Done.

+  std::map<autofill::FormData, autofill::FormFieldData> form_predictions_;
+
   base::WeakPtrFactory<PasswordAutofillAgent> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PasswordAutofillAgent);