Link PasswordProtectionService to Profile and SB Service

chrome/browser/safe_browsing/chrome_password_protection_service.cc

+// Copyright 2017 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/safe_browsing/chrome_password_protection_service.h"
+
+#include "base/feature_list.h"
+#include "base/metrics/histogram_macros.h"
+#include "chrome/browser/content_settings/host_content_settings_map_factory.h"
+#include "chrome/browser/history/history_service_factory.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/safe_browsing/safe_browsing_navigation_observer_manager.h"
+#include "chrome/browser/safe_browsing/safe_browsing_service.h"
+#include "components/safe_browsing_db/safe_browsing_prefs.h"
+
+using content::BrowserThread;
+
+namespace safe_browsing {
+
+namespace {
+// The number of user gestures we trace back for login event attribution.
+const int kPasswordEventAttributionUserGestureLimit = 2;
+}
+
+const base::Feature

[Nathan Parker, 2017/04/05 18:05:22]

Nit: Could this be declared here rather than in the .h?

[Jialiu Lin, 2017/04/05 18:48:25]

Sure. Removed from .h

+    ChromePasswordProtectionService::kPasswordProtectionPingOnly{
+        "PasswordProtectionPingOnly", base::FEATURE_DISABLED_BY_DEFAULT};
+
+ChromePasswordProtectionService::ChromePasswordProtectionService(
+    SafeBrowsingService* sb_service,
+    Profile* profile)
+    : PasswordProtectionService(
+          sb_service->database_manager(),
+          sb_service->url_request_context(),
+          HistoryServiceFactory::GetForProfile(
+              profile,
+              ServiceAccessType::EXPLICIT_ACCESS),
+          HostContentSettingsMapFactory::GetForProfile(profile)),
+      profile_(profile),
+      navigation_observer_manager_(sb_service->navigation_observer_manager()) {
+  DCHECK(profile_);
+}
+
+ChromePasswordProtectionService::~ChromePasswordProtectionService() {}
+
+void ChromePasswordProtectionService::FillReferrerChain(
+    const GURL& event_url,
+    int event_tab_id,
+    LoginReputationClientRequest::Frame* frame) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  SafeBrowsingNavigationObserverManager::AttributionResult result =
+      navigation_observer_manager_->IdentifyReferrerChainByEventURL(
+          event_url, event_tab_id, kPasswordEventAttributionUserGestureLimit,
+          frame->mutable_referrer_chain());
+  UMA_HISTOGRAM_COUNTS_100(
+      "SafeBrowsing.ReferrerURLChainSize.PasswordEventAttribution",
+      frame->referrer_chain().size());
+  UMA_HISTOGRAM_ENUMERATION(
+      "SafeBrowsing.ReferrerAttributionResult.PasswordEventAttribution", result,
+      SafeBrowsingNavigationObserverManager::ATTRIBUTION_FAILURE_TYPE_MAX);
+}
+
+bool ChromePasswordProtectionService::IsExtendedReporting() {
+  DCHECK(profile_);

[Nathan Parker, 2017/04/05 18:05:22]

nit: I'm pretty sure the DCHECKs here are not helpful since you deref the ptr
immediately. Either way is fine.

[Jialiu Lin, 2017/04/05 18:48:25]

DCHECK removed.

+  return IsExtendedReportingEnabled(*profile_->GetPrefs());
+}
+
+bool ChromePasswordProtectionService::IsIncognito() {
+  DCHECK(profile_);
+  return profile_->IsOffTheRecord();
+}
+
+bool ChromePasswordProtectionService::IsPingingEnabled() {
+  return base::FeatureList::IsEnabled(
+      ChromePasswordProtectionService::kPasswordProtectionPingOnly);
+}
+
+}  // namespace safe_browsing