Rewrite simple uses of base::ListValue::Append(base::Value*) on CrOS.

chrome/browser/ui/ash/chrome_keyboard_ui.cc

Index: chrome/browser/ui/ash/chrome_keyboard_ui.cc
diff --git a/chrome/browser/ui/ash/chrome_keyboard_ui.cc b/chrome/browser/ui/ash/chrome_keyboard_ui.cc
index 9bc61f035274910183a0e03e5a5b1ea94ccee719..07fcf9c09aa480d9c735b0bf8fb637f20e38bb21 100644
--- a/chrome/browser/ui/ash/chrome_keyboard_ui.cc
+++ b/chrome/browser/ui/ash/chrome_keyboard_ui.cc
@@ -95,7 +95,7 @@ class AshKeyboardControllerObserver
     new_bounds->SetInteger("top", bounds.y());
     new_bounds->SetInteger("width", bounds.width());
     new_bounds->SetInteger("height", bounds.height());
-    event_args->Append(new_bounds.release());
+    event_args->Append(std::move(new_bounds));
 
     std::unique_ptr<extensions::Event> event(new extensions::Event(
         extensions::events::VIRTUAL_KEYBOARD_PRIVATE_ON_BOUNDS_CHANGED,
@@ -233,7 +233,7 @@ void ChromeKeyboardUI::SetUpdateInputType(ui::TextInputType type) {
   input_context->SetString("type",
                            virtual_keyboard_private::ToString(
                                TextInputTypeToGeneratedInputTypeEnum(type)));
-  event_args->Append(input_context.release());
+  event_args->Append(std::move(input_context));
 
   std::unique_ptr<extensions::Event> event(new extensions::Event(
       extensions::events::VIRTUAL_KEYBOARD_PRIVATE_ON_TEXT_INPUT_BOX_FOCUSED,