Allow only a user gesture to trigger autofill popup

content/test/mock_keyboard.h

Index: content/test/mock_keyboard.h
diff --git a/content/test/mock_keyboard.h b/content/test/mock_keyboard.h
index a77875b4dcb1aeedf856faaed26fe5284e717da2..412561c9b922fcdc93de133cdd6be2286c549f85 100644
--- a/content/test/mock_keyboard.h
+++ b/content/test/mock_keyboard.h
@@ -84,15 +84,18 @@ class MockKeyboard {
   MockKeyboard();
   ~MockKeyboard();
 
-  // Retrieves Unicode characters composed from the the specified keyboard
-  // layout, key code, and modifiers, i.e. characters returned when we type
-  // specified keys on a specified layout.
+  Modifiers modifiers() const { return keyboard_modifiers_; }
+
+  // Updates the keyboard layout and modifiers. Returns true if the
+  // platform-specific driver supports this layout.
+  bool Update(Layout layout, Modifiers modifiers);
+
+  // Retrieves Unicode characters composed from the the specified key code with
+  // the current keyboard and modifiers, i.e. characters returned when we type
+  // specified keys on the current layout.
   // This function returns the length of Unicode characters filled in the
   // |output| parameter.
-  int GetCharacters(Layout layout,
-                    int key_code,
-                    Modifiers modifiers,
-                    std::wstring* output);
+  int GetCharacters(int key_code, std::wstring* output) const;
 
  private:
   Layout keyboard_layout_;