[VK] Add feature flag for integrated keyboard settings.

Bug: 895886
Change-Id: I8e9bfd692e49cde029cb6fd8df1660713be45e05
Reviewed-on: https://chromium-review.googlesource.com/c/1341772Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: Darren Shen <shend@chromium.org>
Cr-Commit-Position: refs/heads/master@{#611420}

ui/base/ui_base_features.cc

@@ -43,6 +43,13 @@ const base::Feature kEnableVirtualKeyboardUkm = {
 const base::Feature kExperimentalUi{"ExperimentalUi",
                                     base::FEATURE_DISABLED_BY_DEFAULT};
 
+#if defined(OS_CHROMEOS)
+// Integrate input method specific settings to Chrome OS settings page.
+// https://crbug.com/895886.
+const base::Feature kSettingsShowsPerKeyboardSettings = {
+    "InputMethodIntegratedSettings", base::FEATURE_DISABLED_BY_DEFAULT};
+#endif  // defined(OS_CHROMEOS)
+
 // Update of the virtual keyboard settings UI as described in
 // https://crbug.com/876901.
 const base::Feature kInputMethodSettingsUiUpdate = {

ui/base/ui_base_features.h

@@ -19,6 +19,9 @@ UI_BASE_EXPORT extern const base::Feature
 UI_BASE_EXPORT extern const base::Feature kEnableStylusVirtualKeyboard;
 UI_BASE_EXPORT extern const base::Feature kEnableVirtualKeyboardUkm;
 UI_BASE_EXPORT extern const base::Feature kExperimentalUi;
+#if defined(OS_CHROMEOS)
+UI_BASE_EXPORT extern const base::Feature kSettingsShowsPerKeyboardSettings;
+#endif  // defined(OS_CHROMEOS)
 UI_BASE_EXPORT extern const base::Feature kInputMethodSettingsUiUpdate;
 UI_BASE_EXPORT extern const base::Feature kSystemKeyboardLock;
 UI_BASE_EXPORT extern const base::Feature kTouchableAppContextMenu;