Hide handwriting and voice buttons when keyboard is in restricted state

chrome/browser/chromeos/input_method/input_method_manager_impl.cc

Index: chrome/browser/chromeos/input_method/input_method_manager_impl.cc
diff --git a/chrome/browser/chromeos/input_method/input_method_manager_impl.cc b/chrome/browser/chromeos/input_method/input_method_manager_impl.cc
index 2c2eff8d4715f9642fdfe7e5d4098915ea96120c..e0d24577b5586a7432ff71138ef18e039393a38c 100644
--- a/chrome/browser/chromeos/input_method/input_method_manager_impl.cc
+++ b/chrome/browser/chromeos/input_method/input_method_manager_impl.cc
@@ -929,7 +929,8 @@ InputMethodManagerImpl::InputMethodManagerImpl(
       util_(delegate_.get()),
       component_extension_ime_manager_(new ComponentExtensionIMEManager()),
       enable_extension_loading_(enable_extension_loading),
-      is_ime_menu_activated_(false) {
+      is_ime_menu_activated_(false),
+      features_restricted_state_(FeaturesRestricted::NONE) {
   if (IsRunningAsSystemCompositor()) {
 #if defined(USE_OZONE)
     keyboard_ = base::MakeUnique<ImeKeyboardMus>(
@@ -1345,5 +1346,25 @@ bool InputMethodManagerImpl::IsEmojiHandwritingVoiceOnImeMenuEnabled() {
   return base::FeatureList::IsEnabled(features::kEHVInputOnImeMenu);
 }
 
+void InputMethodManagerImpl::SetFeaturesRestricted(FeaturesRestricted feature,
+                                                   bool restricted) {
+  if (feature == FeaturesRestricted::NONE) {
+    features_restricted_state_ =
+        restricted ? FeaturesRestricted::NONE : (~FeaturesRestricted::NONE);

[James Cook, 2017/06/27 16:31:11]

nit: () not needed, here or below

[Azure Wei, 2017/06/29 16:37:02]

Done.

+  } else {
+    if (restricted)
+      features_restricted_state_ |= feature;
+    else
+      features_restricted_state_ &= (~feature);
+  }
+}
+
+bool InputMethodManagerImpl::GetFeaturesRestricted(
+    FeaturesRestricted feature) const {
+  if (feature == FeaturesRestricted::NONE)
+    return features_restricted_state_ == FeaturesRestricted::NONE;
+  return (features_restricted_state_ & feature);
+}
+
 }  // namespace input_method
 }  // namespace chromeos