Convert app banners to use Mojo.

components/test_runner/app_banner_client.cc

-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "components/test_runner/app_banner_client.h"
-
-#include "base/logging.h"
-#include "third_party/WebKit/public/platform/modules/app_banner/WebAppBannerPromptResult.h"
-
-namespace test_runner {
-
-AppBannerClient::AppBannerClient() {
-}
-
-AppBannerClient::~AppBannerClient() {
-}
-
-void AppBannerClient::registerBannerCallbacks(
-    int requestId,
-    blink::WebAppBannerCallbacks* callbacks) {
-  callbacks_map_.AddWithID(callbacks, requestId);
-}
-
-void AppBannerClient::ResolvePromise(int request_id,
-                                     const std::string& resolve_platform) {
-  blink::WebAppBannerCallbacks* callbacks = callbacks_map_.Lookup(request_id);
-  if (!callbacks)
-    return;
-
-  // If no platform has been set, treat it as dismissal.
-  callbacks->onSuccess(blink::WebAppBannerPromptResult(
-      blink::WebString::fromUTF8(resolve_platform),
-      resolve_platform.empty()
-          ? blink::WebAppBannerPromptResult::Outcome::Dismissed
-          : blink::WebAppBannerPromptResult::Outcome::Accepted));
-  callbacks_map_.Remove(request_id);
-}
-
-}  // namespace test_runner