[WebView] Merge AwMetricsServiceClient and move few files to new place

android_webview/browser/aw_metrics_service_client_impl.cc

Index: android_webview/browser/aw_metrics_service_client_impl.cc
diff --git a/android_webview/browser/aw_metrics_service_client_impl.cc b/android_webview/browser/aw_metrics_service_client_impl.cc
deleted file mode 100644
index 2baf2a158ae541d5824bd22eb0732aa666eb5d2f..0000000000000000000000000000000000000000
--- a/android_webview/browser/aw_metrics_service_client_impl.cc
+++ /dev/null
@@ -1,243 +0,0 @@
-// 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 "android_webview/browser/aw_metrics_service_client_impl.h"
-
-#include "android_webview/browser/aw_metrics_log_uploader.h"
-#include "android_webview/common/aw_version_info_values.h"
-#include "android_webview/jni/AwMetricsServiceClient_jni.h"
-#include "base/android/build_info.h"
-#include "base/bind.h"
-#include "base/files/file_util.h"
-#include "base/guid.h"
-#include "base/i18n/rtl.h"
-#include "base/threading/sequenced_worker_pool.h"
-#include "components/metrics/call_stack_profile_metrics_provider.h"
-#include "components/metrics/enabled_state_provider.h"
-#include "components/metrics/gpu/gpu_metrics_provider.h"
-#include "components/metrics/metrics_log_uploader.h"
-#include "components/metrics/metrics_pref_names.h"
-#include "components/metrics/metrics_service.h"
-#include "components/metrics/metrics_state_manager.h"
-#include "components/metrics/profiler/profiler_metrics_provider.h"
-#include "components/metrics/ui/screen_info_metrics_provider.h"
-#include "components/metrics/url_constants.h"
-#include "components/prefs/pref_service.h"
-#include "content/public/browser/browser_thread.h"
-
-namespace android_webview {
-
-base::LazyInstance<AwMetricsServiceClientImpl>::Leaky g_lazy_instance_;
-
-namespace {
-
-const int kUploadIntervalMinutes = 30;
-
-// Callbacks for metrics::MetricsStateManager::Create. Store/LoadClientInfo
-// allow Windows Chrome to back up ClientInfo. They're no-ops for WebView.
-
-void StoreClientInfo(const metrics::ClientInfo& client_info) {}
-
-std::unique_ptr<metrics::ClientInfo> LoadClientInfo() {
-  std::unique_ptr<metrics::ClientInfo> client_info;
-  return client_info;
-}
-
-// A GUID in text form is composed of 32 hex digits and 4 hyphens.
-const size_t GUID_SIZE = 32 + 4;
-
-void GetOrCreateGUID(const base::FilePath guid_file_path, std::string* guid) {
-  DCHECK_CURRENTLY_ON(content::BrowserThread::FILE);
-
-  // Try to read an existing GUID.
-  if (base::ReadFileToStringWithMaxSize(guid_file_path, guid, GUID_SIZE)) {
-    if (base::IsValidGUID(*guid))
-      return;
-    else
-      LOG(ERROR) << "Overwriting invalid GUID";
-  }
-
-  // We must write a new GUID.
-  *guid = base::GenerateGUID();
-  if (!base::WriteFile(guid_file_path, guid->c_str(), guid->size())) {
-    // If writing fails, proceed anyway with the new GUID. It won't be persisted
-    // to the next run, but we can still collect metrics with this 1-time GUID.
-    LOG(ERROR) << "Failed to write new GUID";
-  }
-  return;
-}
-
-}  // namespace
-
-// static
-AwMetricsServiceClient* AwMetricsServiceClient::GetInstance() {
-  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-  return g_lazy_instance_.Pointer();
-}
-
-void AwMetricsServiceClientImpl::Initialize(
-    PrefService* pref_service,
-    net::URLRequestContextGetter* request_context,
-    const base::FilePath guid_file_path) {
-  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-
-  DCHECK(pref_service_ == nullptr);  // Initialize should only happen once.
-  DCHECK(request_context_ == nullptr);
-  pref_service_ = pref_service;
-  request_context_ = request_context;
-
-  std::string* guid = new std::string;
-  // Initialization happens on the UI thread, but getting the GUID should happen
-  // on the file I/O thread. So we start to initialize, then post to get the
-  // GUID, and then pick up where we left off, back on the UI thread, in
-  // InitializeWithGUID.
-  content::BrowserThread::PostTaskAndReply(
-      content::BrowserThread::FILE, FROM_HERE,
-      base::Bind(&GetOrCreateGUID, guid_file_path, guid),
-      base::Bind(&AwMetricsServiceClientImpl::InitializeWithGUID,
-                 base::Unretained(this), base::Owned(guid)));
-}
-
-void AwMetricsServiceClientImpl::InitializeWithGUID(std::string* guid) {
-  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-
-  pref_service_->SetString(metrics::prefs::kMetricsClientID, *guid);
-
-  metrics_state_manager_ = metrics::MetricsStateManager::Create(
-      pref_service_, this, base::Bind(&StoreClientInfo),
-      base::Bind(&LoadClientInfo));
-
-  metrics_service_.reset(new ::metrics::MetricsService(
-      metrics_state_manager_.get(), this, pref_service_));
-
-  metrics_service_->RegisterMetricsProvider(
-      std::unique_ptr<metrics::MetricsProvider>(
-          new metrics::NetworkMetricsProvider(
-              content::BrowserThread::GetBlockingPool())));
-
-  metrics_service_->RegisterMetricsProvider(
-      std::unique_ptr<metrics::MetricsProvider>(
-          new metrics::GPUMetricsProvider));
-
-  metrics_service_->RegisterMetricsProvider(
-      std::unique_ptr<metrics::MetricsProvider>(
-          new metrics::ScreenInfoMetricsProvider));
-
-  metrics_service_->RegisterMetricsProvider(
-      std::unique_ptr<metrics::MetricsProvider>(
-          new metrics::ProfilerMetricsProvider()));
-
-  metrics_service_->RegisterMetricsProvider(
-      std::unique_ptr<metrics::MetricsProvider>(
-          new metrics::CallStackProfileMetricsProvider));
-
-  metrics_service_->InitializeMetricsRecordingState();
-
-  JNIEnv* env = base::android::AttachCurrentThread();
-  Java_AwMetricsServiceClient_nativeInitialized(env);
-}
-
-bool AwMetricsServiceClientImpl::IsConsentGiven() {
-  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-  return is_enabled_;
-}
-
-void AwMetricsServiceClientImpl::SetMetricsEnabled(bool enabled) {
-  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-
-  // For now, UMA is only enabled on Android N+.
-  if (base::android::BuildInfo::GetInstance()->sdk_int() <
-      base::android::SDK_VERSION_NOUGAT) {
-    return;
-  }
-
-  if (is_enabled_ != enabled) {
-    if (enabled) {
-      metrics_service_->Start();
-    } else {
-      metrics_service_->Stop();
-    }
-    is_enabled_ = enabled;
-  }
-}
-
-metrics::MetricsService* AwMetricsServiceClientImpl::GetMetricsService() {
-  return metrics_service_.get();
-}
-
-// In Chrome, UMA and Breakpad are enabled/disabled together by the same
-// checkbox and they share the same client ID (a.k.a. GUID). SetMetricsClientId
-// is intended to provide the ID to Breakpad. In WebView, UMA and Breakpad are
-// independent, so this is a no-op.
-void AwMetricsServiceClientImpl::SetMetricsClientId(
-    const std::string& client_id) {}
-
-int32_t AwMetricsServiceClientImpl::GetProduct() {
-  return ::metrics::ChromeUserMetricsExtension::ANDROID_WEBVIEW;
-}
-
-std::string AwMetricsServiceClientImpl::GetApplicationLocale() {
-  return base::i18n::GetConfiguredLocale();
-}
-
-bool AwMetricsServiceClientImpl::GetBrand(std::string* brand_code) {
-  // WebView doesn't use brand codes.
-  return false;
-}
-
-metrics::SystemProfileProto::Channel AwMetricsServiceClientImpl::GetChannel() {
-  // "Channel" means stable, beta, etc. WebView doesn't have channel info yet.
-  // TODO(paulmiller) Update this once we have channel info.
-  return metrics::SystemProfileProto::CHANNEL_UNKNOWN;
-}
-
-std::string AwMetricsServiceClientImpl::GetVersionString() {
-  return PRODUCT_VERSION;
-}
-
-void AwMetricsServiceClientImpl::InitializeSystemProfileMetrics(
-    const base::Closure& done_callback) {
-  done_callback.Run();
-}
-
-void AwMetricsServiceClientImpl::CollectFinalMetricsForLog(
-    const base::Closure& done_callback) {
-  done_callback.Run();
-}
-
-std::unique_ptr<metrics::MetricsLogUploader>
-AwMetricsServiceClientImpl::CreateUploader(
-    base::StringPiece server_url,
-    base::StringPiece mime_type,
-    metrics::MetricsLogUploader::MetricServiceType service_type,
-    const metrics::MetricsLogUploader::UploadCallback& on_upload_complete) {
-  // |server_url| and |mime_type| are unused because WebView uses the platform
-  // logging mechanism instead of the normal UMA server.
-  return std::unique_ptr<::metrics::MetricsLogUploader>(
-      new AwMetricsLogUploader(on_upload_complete));
-}
-
-base::TimeDelta AwMetricsServiceClientImpl::GetStandardUploadInterval() {
-  // The platform logging mechanism is responsible for upload frequency; this
-  // just specifies how frequently to provide logs to the platform.
-  return base::TimeDelta::FromMinutes(kUploadIntervalMinutes);
-}
-
-AwMetricsServiceClientImpl::AwMetricsServiceClientImpl()
-    : is_enabled_(false), pref_service_(nullptr), request_context_(nullptr) {}
-
-AwMetricsServiceClientImpl::~AwMetricsServiceClientImpl() {}
-
-// static
-void SetMetricsEnabled(JNIEnv* env,
-                       const base::android::JavaParamRef<jclass>& jcaller,
-                       jboolean enabled) {
-  g_lazy_instance_.Pointer()->SetMetricsEnabled(enabled);
-}
-
-bool RegisterAwMetricsServiceClient(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
-}  // namespace android_webview