Mac: Autofill should not immediately request access to address book.

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 856be0e989ba737b169f5ee3db628941cfe3cd1a..ec5a1a6ee5e4f386b1319f8202dfef900ce4fd3c 100644
--- a/components/autofill/core/browser/autofill_manager.h
+++ b/components/autofill/core/browser/autofill_manager.h
@@ -84,6 +84,20 @@ class AutofillManager : public AutofillDownloadManager::Observer {
 
   void ShowAutofillSettings();
 
+#if defined(OS_MACOSX)
+  // Whether Chromium has prompted the user for permission to access the user's
+  // address book.
+  bool HasPromptedForAccessToAddressBook();
+  // Whether the field represented by |fieldData| supports autofill from the
+  // user's address book.
+  bool FieldSupportsAddressBookAutofill(const FormData& data,
+                                        const FormFieldData& fieldData);
+  // If Chromium has not prompted for access to the user's address book, the
+  // method prompts the user for permission and blocks the process. Otherwise,
+  // this method has no effect.
+  void AccessAddressBook();
+#endif  // defined(OS_MACOSX)
+
   // Called from our external delegate so they cannot be private.
   virtual void FillOrPreviewForm(AutofillDriver::RendererFormDataAction action,
                                  int query_id,