Add an experiment for the default browser infobar on Windows 10

chrome/browser/ui/startup/default_browser_prompt.cc

Index: chrome/browser/ui/startup/default_browser_prompt.cc
diff --git a/chrome/browser/ui/startup/default_browser_prompt.cc b/chrome/browser/ui/startup/default_browser_prompt.cc
index 8765d386d80a1a3dbbaa14a796fac3be68b70d32..b423a00ad60c01494754b57090f70898f96e0b73 100644
--- a/chrome/browser/ui/startup/default_browser_prompt.cc
+++ b/chrome/browser/ui/startup/default_browser_prompt.cc
@@ -4,16 +4,14 @@
 
 #include "chrome/browser/ui/startup/default_browser_prompt.h"
 
+#include <limits>
 #include <string>
 
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
-#include "base/metrics/histogram_macros.h"
-#include "base/metrics/user_metrics_action.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
-#include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "base/version.h"
 #include "build/build_config.h"
@@ -23,195 +21,18 @@
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
+#include "chrome/browser/ui/startup/default_browser_infobar_delegate.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/pref_names.h"
-#include "chrome/grit/chromium_strings.h"
-#include "chrome/grit/generated_resources.h"
-#include "components/infobars/core/confirm_infobar_delegate.h"
-#include "components/infobars/core/infobar.h"
 #include "components/prefs/pref_registry_simple.h"
 #include "components/prefs/pref_service.h"
 #include "components/variations/variations_associated_data.h"
 #include "components/version_info/version_info.h"
-#include "content/public/browser/user_metrics.h"
-#include "grit/theme_resources.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/gfx/vector_icons_public.h"
 
-#if defined(OS_WIN)
-#include "base/win/windows_version.h"
-#endif
+namespace chrome {
 
 namespace {
 
-// The delegate for the infobar shown when Chrome is not the default browser.
-// Ownership of the delegate is given to the infobar itself, the lifetime of
-// which is bound to the containing WebContents.
-class DefaultBrowserInfoBarDelegate : public ConfirmInfoBarDelegate {
- public:
-  // Creates a default browser infobar and delegate and adds the infobar to
-  // |infobar_service|.
-  static void Create(InfoBarService* infobar_service, Profile* profile);
-
- private:
-  // Possible user interactions with the default browser info bar.
-  // Do not modify the ordering as it is important for UMA.
-  enum InfoBarUserInteraction {
-    // The user clicked the "OK" (i.e., "Set as default") button.
-    ACCEPT_INFO_BAR = 0,
-    // The user clicked the "Cancel" (i.e., "Don't ask again") button.
-    CANCEL_INFO_BAR = 1,
-    // The user did not interact with the info bar.
-    IGNORE_INFO_BAR = 2,
-    NUM_INFO_BAR_USER_INTERACTION_TYPES
-  };
-
-  explicit DefaultBrowserInfoBarDelegate(Profile* profile);
-  ~DefaultBrowserInfoBarDelegate() override;
-
-  void AllowExpiry() { should_expire_ = true; }
-
-  // InfoBarDelegate:
-  Type GetInfoBarType() const override;
-  infobars::InfoBarDelegate::InfoBarIdentifier GetIdentifier() const override;
-  int GetIconId() const override;
-  gfx::VectorIconId GetVectorIconId() const override;
-  bool ShouldExpire(const NavigationDetails& details) const override;
-  void InfoBarDismissed() override;
-
-  // ConfirmInfoBarDelegate:
-  base::string16 GetMessageText() const override;
-  base::string16 GetButtonLabel(InfoBarButton button) const override;
-  bool OKButtonTriggersUACPrompt() const override;
-  bool Accept() override;
-  bool Cancel() override;
-
-  // The WebContents's corresponding profile.
-  Profile* profile_;
-
-  // Whether the info-bar should be dismissed on the next navigation.
-  bool should_expire_ = false;
-
-  // Used to delay the expiration of the info-bar.
-  base::WeakPtrFactory<DefaultBrowserInfoBarDelegate> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(DefaultBrowserInfoBarDelegate);
-};
-
-// static
-void DefaultBrowserInfoBarDelegate::Create(InfoBarService* infobar_service,
-                                           Profile* profile) {
-  infobar_service->AddInfoBar(infobar_service->CreateConfirmInfoBar(
-      std::unique_ptr<ConfirmInfoBarDelegate>(
-          new DefaultBrowserInfoBarDelegate(profile))));
-}
-
-DefaultBrowserInfoBarDelegate::DefaultBrowserInfoBarDelegate(Profile* profile)
-    : ConfirmInfoBarDelegate(), profile_(profile), weak_factory_(this) {
-  // We want the info-bar to stick-around for few seconds and then be hidden
-  // on the next navigation after that.
-  base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
-      FROM_HERE, base::Bind(&DefaultBrowserInfoBarDelegate::AllowExpiry,
-                            weak_factory_.GetWeakPtr()),
-      base::TimeDelta::FromSeconds(8));
-}
-
-DefaultBrowserInfoBarDelegate::~DefaultBrowserInfoBarDelegate() = default;
-
-infobars::InfoBarDelegate::Type DefaultBrowserInfoBarDelegate::GetInfoBarType()
-    const {
-#if defined(OS_WIN)
-  return WARNING_TYPE;
-#else
-  return PAGE_ACTION_TYPE;
-#endif
-}
-
-infobars::InfoBarDelegate::InfoBarIdentifier
-DefaultBrowserInfoBarDelegate::GetIdentifier() const {
-  return DEFAULT_BROWSER_INFOBAR_DELEGATE;
-}
-
-int DefaultBrowserInfoBarDelegate::GetIconId() const {
-  return IDR_PRODUCT_LOGO_32;
-}
-
-gfx::VectorIconId DefaultBrowserInfoBarDelegate::GetVectorIconId() const {
-#if defined(OS_MACOSX) || defined(OS_ANDROID)
-  return gfx::VectorIconId::VECTOR_ICON_NONE;
-#else
-  return gfx::VectorIconId::CHROME_PRODUCT;
-#endif
-}
-
-bool DefaultBrowserInfoBarDelegate::ShouldExpire(
-    const NavigationDetails& details) const {
-  return should_expire_ && ConfirmInfoBarDelegate::ShouldExpire(details);
-}
-
-void DefaultBrowserInfoBarDelegate::InfoBarDismissed() {
-  content::RecordAction(
-      base::UserMetricsAction("DefaultBrowserInfoBar_Dismiss"));
-  UMA_HISTOGRAM_ENUMERATION("DefaultBrowser.InfoBar.UserInteraction",
-                            IGNORE_INFO_BAR,
-                            NUM_INFO_BAR_USER_INTERACTION_TYPES);
-}
-
-base::string16 DefaultBrowserInfoBarDelegate::GetMessageText() const {
-  return l10n_util::GetStringUTF16(IDS_DEFAULT_BROWSER_INFOBAR_SHORT_TEXT);
-}
-
-base::string16 DefaultBrowserInfoBarDelegate::GetButtonLabel(
-    InfoBarButton button) const {
-#if defined(OS_WIN)
-  // On Windows 10, the "OK" button opens the Windows Settings application,
-  // through which the user must make their default browser choice.
-  const int kSetAsDefaultButtonMessageId =
-      base::win::GetVersion() >= base::win::VERSION_WIN10
-          ? IDS_DEFAULT_BROWSER_INFOBAR_OK_BUTTON_LABEL_WIN_10
-          : IDS_DEFAULT_BROWSER_INFOBAR_OK_BUTTON_LABEL;
-#else
-  const int kSetAsDefaultButtonMessageId =
-      IDS_DEFAULT_BROWSER_INFOBAR_OK_BUTTON_LABEL;
-#endif
-  return l10n_util::GetStringUTF16(
-      button == BUTTON_OK ? kSetAsDefaultButtonMessageId
-                          : IDS_DEFAULT_BROWSER_INFOBAR_CANCEL_BUTTON_LABEL);
-}
-
-// Setting an app as the default browser doesn't require elevation directly, but
-// it does require registering it as the protocol handler for "http", so if
-// protocol registration in general requires elevation, this does as well.
-bool DefaultBrowserInfoBarDelegate::OKButtonTriggersUACPrompt() const {
-  return shell_integration::IsElevationNeededForSettingDefaultProtocolClient();
-}
-
-bool DefaultBrowserInfoBarDelegate::Accept() {
-  content::RecordAction(
-      base::UserMetricsAction("DefaultBrowserInfoBar_Accept"));
-  UMA_HISTOGRAM_ENUMERATION("DefaultBrowser.InfoBar.UserInteraction",
-                            ACCEPT_INFO_BAR,
-                            NUM_INFO_BAR_USER_INTERACTION_TYPES);
-  // The worker pointer is reference counted. While it is running, the
-  // message loops of the FILE and UI thread will hold references to it
-  // and it will be automatically freed once all its tasks have finished.
-  scoped_refptr<shell_integration::DefaultBrowserWorker>(
-      new shell_integration::DefaultBrowserWorker(
-          shell_integration::DefaultWebClientWorkerCallback()))
-      ->StartSetAsDefault();
-  return true;
-}
-
-bool DefaultBrowserInfoBarDelegate::Cancel() {
-  chrome::DefaultBrowserPromptDeclined(profile_);
-  content::RecordAction(
-      base::UserMetricsAction("DefaultBrowserInfoBar_Cancel"));
-  UMA_HISTOGRAM_ENUMERATION("DefaultBrowser.InfoBar.UserInteraction",
-                            CANCEL_INFO_BAR,
-                            NUM_INFO_BAR_USER_INTERACTION_TYPES);
-  return true;
-}
-
 void ResetCheckDefaultBrowserPref(const base::FilePath& profile_path) {
   Profile* profile =
       g_browser_process->profile_manager()->GetProfileByPath(profile_path);
@@ -287,8 +108,6 @@ void OnCheckIsDefaultBrowserFinished(
 
 }  // namespace
 
-namespace chrome {
-
 void RegisterDefaultBrowserPromptPrefs(PrefRegistrySimple* registry) {
   registry->RegisterStringPref(
       prefs::kBrowserSuppressDefaultBrowserPrompt, std::string());