Allow only a user gesture to trigger autofill popup

content/test/mock_keyboard_driver_win.cc

Index: content/test/mock_keyboard_driver_win.cc
diff --git a/content/test/mock_keyboard_driver_win.cc b/content/test/mock_keyboard_driver_win.cc
index 3bac80077c8c1afcb53a266a3fc1be95bd92e781..4ecf11a2fe51b0aa75674e6501bb85fd4c535686 100644
--- a/content/test/mock_keyboard_driver_win.cc
+++ b/content/test/mock_keyboard_driver_win.cc
@@ -119,7 +119,7 @@ bool MockKeyboardDriverWin::SetLayout(int layout) {
   return false;
 }
 
-bool MockKeyboardDriverWin::SetModifiers(int modifiers) {
+void MockKeyboardDriverWin::SetModifiers(int modifiers) {
   // Over-write the keyboard status with our modifier-key status.
   // WebInputEventFactory::keyboardEvent() uses GetKeyState() to retrive
   // modifier-key status. So, we update the modifier-key status with this
@@ -146,12 +146,10 @@ bool MockKeyboardDriverWin::SetModifiers(int modifiers) {
       keyboard_states_[kModifierMasks[i].key_code] = kKeyDownMask;
   }
   SetKeyboardState(&keyboard_states_[0]);
-
-  return true;
 }
 
 int MockKeyboardDriverWin::GetCharacters(int key_code,
-                                         std::wstring* output) {
+                                         std::wstring* output) const {
   // Retrieve Unicode characters composed from the input key-code and
   // the mofifiers.
   CHECK(output);