Implement app banner info bars on desktop.

chrome/browser/banners/app_banner_data_fetcher_desktop.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 "chrome/browser/banners/app_banner_data_fetcher_desktop.h"
+
+#include "chrome/browser/banners/app_banner_infobar_delegate_desktop.h"
+#include "chrome/browser/banners/app_banner_settings_helper.h"
+#include "chrome/browser/extensions/bookmark_app_helper.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/common/render_messages.h"
+#include "chrome/common/web_application_info.h"
+#include "content/public/browser/render_frame_host.h"
+
+namespace banners {
+
+AppBannerDataFetcherDesktop::AppBannerDataFetcherDesktop(
+    content::WebContents* web_contents,
+    base::WeakPtr<Delegate> weak_delegate,
+    int ideal_icon_size)
+    : AppBannerDataFetcher(web_contents, weak_delegate, ideal_icon_size) {
+}
+
+AppBannerDataFetcherDesktop::~AppBannerDataFetcherDesktop() {
+}
+
+void AppBannerDataFetcherDesktop::ShowBanner(const SkBitmap* icon,
+                                             const base::string16& title) {
+  content::WebContents* web_contents = GetWebContents();
+  DCHECK(web_contents && !web_app_data().IsEmpty());
+  infobars::InfoBar* infobar = nullptr;

[benwells, 2015/06/03 06:13:55]

Nit: This decl can just go down to line 44.

[dominickn (DO NOT USE), 2015/06/03 07:10:36]

Done.

+
+  Profile* profile =
+      Profile::FromBrowserContext(web_contents->GetBrowserContext());
+  WebApplicationInfo web_app_info;

[benwells, 2015/06/03 06:13:55]

Nit: You don't need this variable, you can just put WebApplicationInfo() in line
38.

[dominickn (DO NOT USE), 2015/06/03 07:10:36]

Done.

+
+  bookmark_app_helper_.reset(
+      new extensions::BookmarkAppHelper(profile, web_app_info, web_contents));
+
+  // This differs from the Android infobar creation, which has an explicit
+  // InfoBarAndroid class interfacing with Java. On Android, the data fetcher
+  // calls the InfoBarService to show the banner. On desktop, an InfoBar class
+  // is not required, so the InfoBarService call is made within the delegate.
+  infobar = AppBannerInfoBarDelegateDesktop::Create(
+      make_scoped_refptr(this), web_contents, web_app_data(),
+      bookmark_app_helper_.get(), event_request_id());
+  if (infobar) {
+    RecordDidShowBanner("AppBanner.WebApp.Shown");
+  }
+}
+
+void AppBannerDataFetcherDesktop::FinishCreateBookmarkApp(
+    const extensions::Extension* extension,
+    const WebApplicationInfo& web_app_info) {
+  content::WebContents* web_contents = GetWebContents();
+  if (web_contents) {
+    // A null extension pointer indicates that the bookmark app install was
+    // not successful.
+    if (extension == nullptr) {
+      web_contents->GetMainFrame()->Send(
+          new ChromeViewMsg_AppBannerDismissed(
+              web_contents->GetMainFrame()->GetRoutingID(),
+              event_request_id()));
+
+      AppBannerSettingsHelper::RecordBannerDismissEvent(
+          web_contents, web_app_data().start_url.spec(),
+          AppBannerSettingsHelper::WEB);
+    } else {
+      web_contents->GetMainFrame()->Send(
+          new ChromeViewMsg_AppBannerAccepted(
+              web_contents->GetMainFrame()->GetRoutingID(),
+              event_request_id(), "web"));
+
+      AppBannerSettingsHelper::RecordBannerInstallEvent(
+          web_contents, web_app_data().start_url.spec(),
+          AppBannerSettingsHelper::WEB);
+    }
+  }
+}
+
+}  // namespace banners