Revert "Componentize chrome/browser/rlz"

components/rlz/rlz_tracker.cc

Index: components/rlz/rlz_tracker.cc
diff --git a/components/rlz/rlz_tracker.cc b/components/rlz/rlz_tracker.cc
deleted file mode 100644
index baa166a9b04fb4db8a3b756bdad310be5221890e..0000000000000000000000000000000000000000
--- a/components/rlz/rlz_tracker.cc
+++ /dev/null
@@ -1,529 +0,0 @@
-// Copyright (c) 2012 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.
-//
-// This code glues the RLZ library DLL with Chrome. It allows Chrome to work
-// with or without the DLL being present. If the DLL is not present the
-// functions do nothing and just return false.
-
-#include "components/rlz/rlz_tracker.h"
-
-#include <algorithm>
-
-#include "base/bind.h"
-#include "base/message_loop/message_loop.h"
-#include "base/strings/string_util.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/trace_event/trace_event.h"
-#include "components/rlz/rlz_tracker_delegate.h"
-#include "net/http/http_util.h"
-
-namespace rlz {
-namespace {
-
-// Maximum and minimum delay for financial ping we would allow to be set through
-// master preferences. Somewhat arbitrary, may need to be adjusted in future.
-const base::TimeDelta kMaxInitDelay = base::TimeDelta::FromSeconds(200);
-const base::TimeDelta kMinInitDelay = base::TimeDelta::FromSeconds(20);
-
-void RecordProductEvents(bool first_run,
-                         bool is_google_default_search,
-                         bool is_google_homepage,
-                         bool is_google_in_startpages,
-                         bool already_ran,
-                         bool omnibox_used,
-                         bool homepage_used,
-                         bool app_list_used) {
-  TRACE_EVENT0("RLZ", "RecordProductEvents");
-  // Record the installation of chrome. We call this all the time but the rlz
-  // lib should ignore all but the first one.
-  rlz_lib::RecordProductEvent(rlz_lib::CHROME,
-                              RLZTracker::ChromeOmnibox(),
-                              rlz_lib::INSTALL);
-#if !defined(OS_IOS)
-  rlz_lib::RecordProductEvent(rlz_lib::CHROME,
-                              RLZTracker::ChromeHomePage(),
-                              rlz_lib::INSTALL);
-  rlz_lib::RecordProductEvent(rlz_lib::CHROME,
-                              RLZTracker::ChromeAppList(),
-                              rlz_lib::INSTALL);
-#endif  // !defined(OS_IOS)
-
-  if (!already_ran) {
-    // Do the initial event recording if is the first run or if we have an
-    // empty rlz which means we haven't got a chance to do it.
-    char omnibox_rlz[rlz_lib::kMaxRlzLength + 1];
-    if (!rlz_lib::GetAccessPointRlz(RLZTracker::ChromeOmnibox(), omnibox_rlz,
-                                    rlz_lib::kMaxRlzLength)) {
-      omnibox_rlz[0] = 0;
-    }
-
-    // Record if google is the initial search provider and/or home page.
-    if ((first_run || omnibox_rlz[0] == 0) && is_google_default_search) {
-      rlz_lib::RecordProductEvent(rlz_lib::CHROME,
-                                  RLZTracker::ChromeOmnibox(),
-                                  rlz_lib::SET_TO_GOOGLE);
-    }
-
-#if !defined(OS_IOS)
-    char homepage_rlz[rlz_lib::kMaxRlzLength + 1];
-    if (!rlz_lib::GetAccessPointRlz(RLZTracker::ChromeHomePage(), homepage_rlz,
-                                    rlz_lib::kMaxRlzLength)) {
-      homepage_rlz[0] = 0;
-    }
-
-    if ((first_run || homepage_rlz[0] == 0) &&
-        (is_google_homepage || is_google_in_startpages)) {
-      rlz_lib::RecordProductEvent(rlz_lib::CHROME,
-                                  RLZTracker::ChromeHomePage(),
-                                  rlz_lib::SET_TO_GOOGLE);
-    }
-
-    char app_list_rlz[rlz_lib::kMaxRlzLength + 1];
-    if (!rlz_lib::GetAccessPointRlz(RLZTracker::ChromeAppList(), app_list_rlz,
-                                    rlz_lib::kMaxRlzLength)) {
-      app_list_rlz[0] = 0;
-    }
-
-    // Record if google is the initial search provider and/or home page.
-    if ((first_run || app_list_rlz[0] == 0) && is_google_default_search) {
-      rlz_lib::RecordProductEvent(rlz_lib::CHROME,
-                                  RLZTracker::ChromeAppList(),
-                                  rlz_lib::SET_TO_GOOGLE);
-    }
-#endif  // !defined(OS_IOS)
-  }
-
-  // Record first user interaction with the omnibox. We call this all the
-  // time but the rlz lib should ingore all but the first one.
-  if (omnibox_used) {
-    rlz_lib::RecordProductEvent(rlz_lib::CHROME,
-                                RLZTracker::ChromeOmnibox(),
-                                rlz_lib::FIRST_SEARCH);
-  }
-
-#if !defined(OS_IOS)
-  // Record first user interaction with the home page. We call this all the
-  // time but the rlz lib should ingore all but the first one.
-  if (homepage_used || is_google_in_startpages) {
-    rlz_lib::RecordProductEvent(rlz_lib::CHROME,
-                                RLZTracker::ChromeHomePage(),
-                                rlz_lib::FIRST_SEARCH);
-  }
-
-  // Record first user interaction with the app list. We call this all the
-  // time but the rlz lib should ingore all but the first one.
-  if (app_list_used) {
-    rlz_lib::RecordProductEvent(rlz_lib::CHROME,
-                                RLZTracker::ChromeAppList(),
-                                rlz_lib::FIRST_SEARCH);
-  }
-#endif  // !defined(OS_IOS)
-}
-
-bool SendFinancialPing(const std::string& brand,
-                       const base::string16& lang,
-                       const base::string16& referral) {
-  rlz_lib::AccessPoint points[] = {RLZTracker::ChromeOmnibox(),
-#if !defined(OS_IOS)
-                                   RLZTracker::ChromeHomePage(),
-                                   RLZTracker::ChromeAppList(),
-#endif
-                                   rlz_lib::NO_ACCESS_POINT};
-  std::string lang_ascii(base::UTF16ToASCII(lang));
-  std::string referral_ascii(base::UTF16ToASCII(referral));
-  std::string product_signature;
-#if defined(OS_CHROMEOS)
-  product_signature = "chromeos";
-#else
-  product_signature = "chrome";
-#endif
-  return rlz_lib::SendFinancialPing(rlz_lib::CHROME, points,
-                                    product_signature.c_str(),
-                                    brand.c_str(), referral_ascii.c_str(),
-                                    lang_ascii.c_str(), false, true);
-}
-
-}  // namespace
-
-RLZTracker* RLZTracker::tracker_ = nullptr;
-
-// static
-RLZTracker* RLZTracker::GetInstance() {
-  return tracker_ ? tracker_ : Singleton<RLZTracker>::get();
-}
-
-RLZTracker::RLZTracker()
-    : first_run_(false),
-      send_ping_immediately_(false),
-      is_google_default_search_(false),
-      is_google_homepage_(false),
-      is_google_in_startpages_(false),
-      already_ran_(false),
-      omnibox_used_(false),
-      homepage_used_(false),
-      app_list_used_(false),
-      min_init_delay_(kMinInitDelay) {
-}
-
-RLZTracker::~RLZTracker() {
-}
-
-// static
-void RLZTracker::SetRlzDelegate(scoped_ptr<RLZTrackerDelegate> delegate) {
-  GetInstance()->SetDelegate(delegate.Pass());
-}
-
-void RLZTracker::SetDelegate(scoped_ptr<RLZTrackerDelegate> delegate) {
-  DCHECK(delegate);
-  if (!delegate_) {
-    delegate_ = delegate.Pass();
-    worker_pool_token_ = delegate_->GetBlockingPool()->GetSequenceToken();
-  }
-}
-
-// static
-bool RLZTracker::InitRlzDelayed(bool first_run,
-                                bool send_ping_immediately,
-                                base::TimeDelta delay,
-                                bool is_google_default_search,
-                                bool is_google_homepage,
-                                bool is_google_in_startpages) {
-  return GetInstance()->Init(first_run, send_ping_immediately, delay,
-                             is_google_default_search, is_google_homepage,
-                             is_google_in_startpages);
-}
-
-bool RLZTracker::Init(bool first_run,
-                      bool send_ping_immediately,
-                      base::TimeDelta delay,
-                      bool is_google_default_search,
-                      bool is_google_homepage,
-                      bool is_google_in_startpages) {
-  first_run_ = first_run;
-  is_google_default_search_ = is_google_default_search;
-  is_google_homepage_ = is_google_homepage;
-  is_google_in_startpages_ = is_google_in_startpages;
-  send_ping_immediately_ = send_ping_immediately;
-
-  // Enable zero delays for testing.
-  if (delegate_->ShouldEnableZeroDelayForTesting())
-    EnableZeroDelayForTesting();
-
-  delay = std::min(kMaxInitDelay, std::max(min_init_delay_, delay));
-
-  if (delegate_->GetBrand(&brand_) && !delegate_->IsBrandOrganic(brand_)) {
-    // Register for notifications from the omnibox so that we can record when
-    // the user performs a first search.
-    delegate_->SetOmniboxSearchCallback(
-        base::Bind(&RLZTracker::RecordFirstSearch, base::Unretained(this),
-                   ChromeOmnibox()));
-
-#if !defined(OS_IOS)
-    // Register for notifications from navigations, to see if the user has used
-    // the home page.
-    delegate_->SetHomepageSearchCallback(
-        base::Bind(&RLZTracker::RecordFirstSearch, base::Unretained(this),
-                   ChromeHomePage()));
-#endif
-  }
-  delegate_->GetReactivationBrand(&reactivation_brand_);
-
-  // Could be null; don't run if so.  RLZ will try again next restart.
-  net::URLRequestContextGetter* context_getter = delegate_->GetRequestContext();
-  if (context_getter) {
-    rlz_lib::SetURLRequestContext(context_getter);
-    ScheduleDelayedInit(delay);
-  }
-
-#if !defined(OS_IOS)
-  // Prime the RLZ cache for the home page access point so that its avaiable
-  // for the startup page if needed (i.e., when the startup page is set to
-  // the home page).
-  GetAccessPointRlz(ChromeHomePage(), nullptr);
-#endif  // !defined(OS_IOS)
-
-  return true;
-}
-
-void RLZTracker::Cleanup() {
-  rlz_cache_.clear();
-  if (delegate_)
-    delegate_->Cleanup();
-}
-
-void RLZTracker::ScheduleDelayedInit(base::TimeDelta delay) {
-  // The RLZTracker is a singleton object that outlives any runnable tasks
-  // that will be queued up.
-  delegate_->GetBlockingPool()->PostDelayedSequencedWorkerTask(
-      worker_pool_token_, FROM_HERE,
-      base::Bind(&RLZTracker::DelayedInit, base::Unretained(this)), delay);
-}
-
-void RLZTracker::DelayedInit() {
-  bool schedule_ping = false;
-
-  // For organic brandcodes do not use rlz at all. Empty brandcode usually
-  // means a chromium install. This is ok.
-  if (!delegate_->IsBrandOrganic(brand_)) {
-    RecordProductEvents(first_run_, is_google_default_search_,
-                        is_google_homepage_, is_google_in_startpages_,
-                        already_ran_, omnibox_used_, homepage_used_,
-                        app_list_used_);
-    schedule_ping = true;
-  }
-
-  // If chrome has been reactivated, record the events for this brand
-  // as well.
-  if (!delegate_->IsBrandOrganic(reactivation_brand_)) {
-    rlz_lib::SupplementaryBranding branding(reactivation_brand_.c_str());
-    RecordProductEvents(first_run_, is_google_default_search_,
-                        is_google_homepage_, is_google_in_startpages_,
-                        already_ran_, omnibox_used_, homepage_used_,
-                        app_list_used_);
-    schedule_ping = true;
-  }
-
-  already_ran_ = true;
-
-  if (schedule_ping)
-    ScheduleFinancialPing();
-}
-
-void RLZTracker::ScheduleFinancialPing() {
-  delegate_->GetBlockingPool()->PostSequencedWorkerTaskWithShutdownBehavior(
-      worker_pool_token_, FROM_HERE,
-      base::Bind(&RLZTracker::PingNowImpl, base::Unretained(this)),
-      base::SequencedWorkerPool::SKIP_ON_SHUTDOWN);
-}
-
-void RLZTracker::PingNowImpl() {
-  TRACE_EVENT0("RLZ", "RLZTracker::PingNowImpl");
-  base::string16 lang;
-  delegate_->GetLanguage(&lang);
-  if (lang.empty())
-    lang = base::ASCIIToUTF16("en");
-  base::string16 referral;
-  delegate_->GetReferral(&referral);
-
-  if (!delegate_->IsBrandOrganic(brand_) &&
-      SendFinancialPing(brand_, lang, referral)) {
-    delegate_->ClearReferral();
-
-    {
-      base::AutoLock lock(cache_lock_);
-      rlz_cache_.clear();
-    }
-
-    // Prime the RLZ cache for the access points we are interested in.
-    GetAccessPointRlz(RLZTracker::ChromeOmnibox(), nullptr);
-#if !defined(OS_IOS)
-    GetAccessPointRlz(RLZTracker::ChromeHomePage(), nullptr);
-    GetAccessPointRlz(RLZTracker::ChromeAppList(), nullptr);
-#endif  // !defined(OS_IOS)
-  }
-
-  if (!delegate_->IsBrandOrganic(reactivation_brand_)) {
-    rlz_lib::SupplementaryBranding branding(reactivation_brand_.c_str());
-    SendFinancialPing(reactivation_brand_, lang, referral);
-  }
-}
-
-bool RLZTracker::SendFinancialPing(const std::string& brand,
-                                   const base::string16& lang,
-                                   const base::string16& referral) {
-  return ::rlz::SendFinancialPing(brand, lang, referral);
-}
-
-// static
-bool RLZTracker::RecordProductEvent(rlz_lib::Product product,
-                                    rlz_lib::AccessPoint point,
-                                    rlz_lib::Event event_id) {
-  return GetInstance()->RecordProductEventImpl(product, point, event_id);
-}
-
-bool RLZTracker::RecordProductEventImpl(rlz_lib::Product product,
-                                        rlz_lib::AccessPoint point,
-                                        rlz_lib::Event event_id) {
-  // Make sure we don't access disk outside of the I/O thread.
-  // In such case we repost the task on the right thread and return error.
-  if (ScheduleRecordProductEvent(product, point, event_id))
-    return true;
-
-  bool ret = rlz_lib::RecordProductEvent(product, point, event_id);
-
-  // If chrome has been reactivated, record the event for this brand as well.
-  if (!reactivation_brand_.empty()) {
-    rlz_lib::SupplementaryBranding branding(reactivation_brand_.c_str());
-    ret &= rlz_lib::RecordProductEvent(product, point, event_id);
-  }
-
-  return ret;
-}
-
-bool RLZTracker::ScheduleRecordProductEvent(rlz_lib::Product product,
-                                            rlz_lib::AccessPoint point,
-                                            rlz_lib::Event event_id) {
-  if (!delegate_->IsOnUIThread())
-    return false;
-
-  delegate_->GetBlockingPool()->PostSequencedWorkerTaskWithShutdownBehavior(
-      worker_pool_token_, FROM_HERE,
-      base::Bind(base::IgnoreResult(&RLZTracker::RecordProductEvent), product,
-                 point, event_id),
-      base::SequencedWorkerPool::SKIP_ON_SHUTDOWN);
-
-  return true;
-}
-
-void RLZTracker::RecordFirstSearch(rlz_lib::AccessPoint point) {
-  // Make sure we don't access disk outside of the I/O thread.
-  // In such case we repost the task on the right thread and return error.
-  if (ScheduleRecordFirstSearch(point))
-    return;
-
-  bool* record_used = GetAccessPointRecord(point);
-
-  // Try to record event now, else set the flag to try later when we
-  // attempt the ping.
-  if (!RecordProductEvent(rlz_lib::CHROME, point, rlz_lib::FIRST_SEARCH))
-    *record_used = true;
-  else if (send_ping_immediately_ && point == ChromeOmnibox())
-    ScheduleDelayedInit(base::TimeDelta());
-}
-
-bool RLZTracker::ScheduleRecordFirstSearch(rlz_lib::AccessPoint point) {
-  if (!delegate_->IsOnUIThread())
-    return false;
-  delegate_->GetBlockingPool()->PostSequencedWorkerTaskWithShutdownBehavior(
-      worker_pool_token_, FROM_HERE,
-      base::Bind(&RLZTracker::RecordFirstSearch, base::Unretained(this), point),
-      base::SequencedWorkerPool::SKIP_ON_SHUTDOWN);
-  return true;
-}
-
-bool* RLZTracker::GetAccessPointRecord(rlz_lib::AccessPoint point) {
-  if (point == ChromeOmnibox())
-    return &omnibox_used_;
-#if !defined(OS_IOS)
-  if (point == ChromeHomePage())
-    return &homepage_used_;
-  if (point == ChromeAppList())
-    return &app_list_used_;
-#endif  // !defined(OS_IOS)
-  NOTREACHED();
-  return nullptr;
-}
-
-// static
-std::string RLZTracker::GetAccessPointHttpHeader(rlz_lib::AccessPoint point) {
-  TRACE_EVENT0("RLZ", "RLZTracker::GetAccessPointHttpHeader");
-  std::string extra_headers;
-  base::string16 rlz_string;
-  RLZTracker::GetAccessPointRlz(point, &rlz_string);
-  if (!rlz_string.empty()) {
-    net::HttpUtil::AppendHeaderIfMissing("X-Rlz-String",
-                                         base::UTF16ToUTF8(rlz_string),
-                                         &extra_headers);
-  }
-
-  return extra_headers;
-}
-
-// GetAccessPointRlz() caches RLZ strings for all access points. If we had
-// a successful ping, then we update the cached value.
-bool RLZTracker::GetAccessPointRlz(rlz_lib::AccessPoint point,
-                                   base::string16* rlz) {
-  TRACE_EVENT0("RLZ", "RLZTracker::GetAccessPointRlz");
-  return GetInstance()->GetAccessPointRlzImpl(point, rlz);
-}
-
-// GetAccessPointRlz() caches RLZ strings for all access points. If we had
-// a successful ping, then we update the cached value.
-bool RLZTracker::GetAccessPointRlzImpl(rlz_lib::AccessPoint point,
-                                       base::string16* rlz) {
-  // If the RLZ string for the specified access point is already cached,
-  // simply return its value.
-  {
-    base::AutoLock lock(cache_lock_);
-    if (rlz_cache_.find(point) != rlz_cache_.end()) {
-      if (rlz)
-        *rlz = rlz_cache_[point];
-      return true;
-    }
-  }
-
-  // Make sure we don't access disk outside of the I/O thread.
-  // In such case we repost the task on the right thread and return error.
-  if (ScheduleGetAccessPointRlz(point))
-    return false;
-
-  char str_rlz[rlz_lib::kMaxRlzLength + 1];
-  if (!rlz_lib::GetAccessPointRlz(point, str_rlz, rlz_lib::kMaxRlzLength))
-    return false;
-
-  base::string16 rlz_local(base::ASCIIToUTF16(str_rlz));
-  if (rlz)
-    *rlz = rlz_local;
-
-  base::AutoLock lock(cache_lock_);
-  rlz_cache_[point] = rlz_local;
-  return true;
-}
-
-bool RLZTracker::ScheduleGetAccessPointRlz(rlz_lib::AccessPoint point) {
-  if (!delegate_->IsOnUIThread())
-    return false;
-
-  base::string16* not_used = nullptr;
-  delegate_->GetBlockingPool()->PostSequencedWorkerTaskWithShutdownBehavior(
-      worker_pool_token_, FROM_HERE,
-      base::Bind(base::IgnoreResult(&RLZTracker::GetAccessPointRlz), point,
-                 not_used),
-      base::SequencedWorkerPool::SKIP_ON_SHUTDOWN);
-  return true;
-}
-
-#if defined(OS_CHROMEOS)
-// static
-void RLZTracker::ClearRlzState() {
-  GetInstance()->ClearRlzStateImpl();
-}
-
-void RLZTracker::ClearRlzStateImpl() {
-  if (ScheduleClearRlzState())
-    return;
-  rlz_lib::ClearAllProductEvents(rlz_lib::CHROME);
-}
-
-bool RLZTracker::ScheduleClearRlzState() {
-  if (!delegate_->IsOnUIThread())
-    return false;
-
-  delegate_->GetBlockingPool()->PostSequencedWorkerTaskWithShutdownBehavior(
-      worker_pool_token_, FROM_HERE,
-      base::Bind(&RLZTracker::ClearRlzStateImpl, base::Unretained(this)),
-      base::SequencedWorkerPool::SKIP_ON_SHUTDOWN);
-  return true;
-}
-#endif
-
-// static
-void RLZTracker::CleanupRlz() {
-  GetInstance()->Cleanup();
-  rlz_lib::SetURLRequestContext(nullptr);
-}
-
-// static
-void RLZTracker::EnableZeroDelayForTesting() {
-  GetInstance()->min_init_delay_ = base::TimeDelta();
-}
-
-#if !defined(OS_IOS)
-// static
-void RLZTracker::RecordAppListSearch() {
-  GetInstance()->RecordFirstSearch(RLZTracker::ChromeAppList());
-}
-#endif
-
-}  // namespace rlz