ARC: Add badge for Chrome hosted Apps if Arc++ is enabled.

chrome/browser/chromeos/extensions/gfx_utils.cc

+// Copyright 2016 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/chromeos/extensions/gfx_utils.h"
+
+#include "chrome/browser/chromeos/arc/arc_auth_service.h"
+#include "chrome/browser/chromeos/profiles/profile_helper.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/ash/multi_user/multi_user_util.h"
+#include "chrome/common/pref_names.h"
+#include "components/prefs/pref_service.h"
+#include "extensions/browser/extension_registry.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/chromeos/resources/grit/ui_chromeos_resources.h"
+#include "ui/gfx/image/image_skia.h"
+#include "ui/gfx/image/image_skia_operations.h"
+
+namespace extensions {
+namespace util {
+
+bool MaybeApplyChromeBadge(content::BrowserContext* context,
+                           const std::string& extension_id,
+                           gfx::ImageSkia* icon) {

[oshima, 2016/06/16 17:55:56]

nit: icon_out

+  DCHECK(context);
+  DCHECK(icon);
+
+  Profile* profile = Profile::FromBrowserContext(context);
+  // Only apply Chrome badge for the primary profile.
+  if (!chromeos::ProfileHelper::IsPrimaryProfile(profile) ||
+      !multi_user_util::IsProfileFromActiveUser(profile)) {
+    return false;
+  }
+
+  arc::ArcAuthService* arc_auth_service = arc::ArcAuthService::Get();
+  if (!arc_auth_service ||
+      arc_auth_service->state() != arc::ArcAuthService::State::ACTIVE) {
+    return false;
+  }
+
+  const ExtensionRegistry* registry = ExtensionRegistry::Get(context);
+  if (!registry)
+    return false;
+
+  const Extension* extension = registry->GetInstalledExtension(extension_id);
+  if (!extension || !extension->is_hosted_app())
+    return false;
+
+  const gfx::ImageSkia* badge_image =
+      ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
+          IDR_ARC_DUAL_ICON_BADGE);
+  DCHECK(badge_image);
+
+  if (badge_image->size() == icon->size()) {

[oshima, 2016/06/16 17:55:56]

if (badge_image->size() != icon->size())
  badge_image = CreateResizeImage()

*icon_out = CreateSuperimposedImage(*icon, badge_image);

+    *icon =
+        gfx::ImageSkiaOperations::CreateSuperimposedImage(*icon, *badge_image);
+  } else {
+    *icon = gfx::ImageSkiaOperations::CreateSuperimposedImage(
+        *icon,
+        gfx::ImageSkiaOperations::CreateResizedImage(
+            *badge_image, skia::ImageOperations::RESIZE_BEST, icon->size()));
+  }
+  return true;
+}
+
+}  // namespace util
+}  // namespace extensions