[AUTO][FILECONTROL] - version 127.0.6533.89 (#1317)

127.0.6533.73

127.0.6533.89

// Copyright 2020 The Chromium Authors

// 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_field_trials.h"

#include "android_webview/common/aw_switches.h"

#include "base/base_paths_android.h"

#include "base/feature_list.h"

#include "base/memory/raw_ref.h"

#include "base/metrics/persistent_histogram_allocator.h"

#include "base/path_service.h"

#include "components/history/core/browser/features.h"

#include "components/metrics/persistent_histograms.h"

#include "components/permissions/features.h"

#include "components/safe_browsing/core/common/features.h"

#include "components/translate/core/common/translate_util.h"

#include "components/viz/common/features.h"

#include "content/public/common/content_features.h"

#include "gpu/config/gpu_finch_features.h"

#include "media/base/media_switches.h"

#include "mojo/public/cpp/bindings/features.h"

#include "net/base/features.h"

#include "services/network/public/cpp/features.h"

#include "third_party/blink/public/common/features.h"

#include "ui/android/ui_android_features.h"

#include "ui/gl/gl_features.h"

namespace {

class AwFeatureOverrides {

 public:

  explicit AwFeatureOverrides(base::FeatureList& feature_list)

      : feature_list_(feature_list) {}

  AwFeatureOverrides(const AwFeatureOverrides& other) = delete;

  AwFeatureOverrides& operator=(const AwFeatureOverrides& other) = delete;

  ~AwFeatureOverrides() {

    feature_list_->RegisterExtraFeatureOverrides(std::move(overrides_));

  }

  // Enable a feature with WebView-specific override.

  void EnableFeature(const base::Feature& feature) {

    overrides_.emplace_back(

        std::cref(feature),

        base::FeatureList::OverrideState::OVERRIDE_ENABLE_FEATURE);

  }

  // Disable a feature with WebView-specific override.

  void DisableFeature(const base::Feature& feature) {

    overrides_.emplace_back(

        std::cref(feature),

        base::FeatureList::OverrideState::OVERRIDE_DISABLE_FEATURE);

  }

 private:

  base::raw_ref<base::FeatureList> feature_list_;

  std::vector<base::FeatureList::FeatureOverrideInfo> overrides_;

};

}  // namespace

void AwFieldTrials::OnVariationsSetupComplete() {

  // Persistent histograms must be enabled ASAP, but depends on Features.

  base::FilePath metrics_dir;

  if (base::PathService::Get(base::DIR_ANDROID_APP_DATA, &metrics_dir)) {

    InstantiatePersistentHistogramsWithFeaturesAndCleanup(metrics_dir);

  } else {

    NOTREACHED_IN_MIGRATION();

  }

}

// TODO(crbug.com/40271903): Consider to migrate all WebView feature overrides

// from the AwMainDelegate to the new mechanism here.

void AwFieldTrials::RegisterFeatureOverrides(base::FeatureList* feature_list) {

  if (!feature_list) {

    return;

  }

  AwFeatureOverrides aw_feature_overrides(*feature_list);

  // Disable third-party storage partitioning on WebView.

  aw_feature_overrides.DisableFeature(

      net::features::kThirdPartyStoragePartitioning);

  if (!base::FeatureList::IsEnabled(

          mojo::features::kMojoFixAssociatedHandleLeak)) {

    // Disable support for partitioning blob URLs if the bug fix that prevents

    // blob URL creation from hanging under certain conditions isn't enabled.

    aw_feature_overrides.DisableFeature(

        net::features::kSupportPartitionedBlobUrl);

  }

  // Disable the passthrough on WebView.

  aw_feature_overrides.DisableFeature(

      ::features::kDefaultPassthroughCommandDecoder);

  // HDR does not support webview yet. See crbug.com/1493153 for an explanation.

  aw_feature_overrides.DisableFeature(ui::kAndroidHDR);

  // Disable Reducing User Agent minor version on WebView.

  aw_feature_overrides.DisableFeature(

      blink::features::kReduceUserAgentMinorVersion);

  // Disable fenced frames on WebView.

  aw_feature_overrides.DisableFeature(blink::features::kFencedFrames);

  // Disable low latency overlay for WebView. There is currently no plan to

  // enable these optimizations in WebView though they are not fundamentally

  // impossible.

  aw_feature_overrides.DisableFeature(

      blink::features::kLowLatencyCanvas2dImageChromium);

  aw_feature_overrides.DisableFeature(

      blink::features::kLowLatencyWebGLImageChromium);

  // Disable Shared Storage on WebView.

  aw_feature_overrides.DisableFeature(blink::features::kSharedStorageAPI);

  aw_feature_overrides.DisableFeature(blink::features::kSharedStorageAPIM125);

  // Disable scrollbar-color on WebView.

  aw_feature_overrides.DisableFeature(blink::features::kScrollbarColor);

  // Disable scrollbar-width on WebView.

  aw_feature_overrides.DisableFeature(blink::features::kScrollbarWidth);

  // Disable Populating the VisitedLinkDatabase on WebView.

  aw_feature_overrides.DisableFeature(history::kPopulateVisitedLinkDatabase);

  // WebView uses kWebViewVulkan to control vulkan. Pre-emptively disable

  // kVulkan in case it becomes enabled by default.

  aw_feature_overrides.DisableFeature(::features::kVulkan);

  aw_feature_overrides.DisableFeature(::features::kWebPayments);

  aw_feature_overrides.DisableFeature(::features::kServiceWorkerPaymentApps);

  // WebView does not support overlay fullscreen yet for video overlays.

  aw_feature_overrides.DisableFeature(media::kOverlayFullscreenVideo);

  // WebView does not support EME persistent license yet, because it's not

  // clear on how user can remove persistent media licenses from UI.

  aw_feature_overrides.DisableFeature(media::kMediaDrmPersistentLicense);

  aw_feature_overrides.DisableFeature(::features::kBackgroundFetch);

  // SurfaceControl is controlled by kWebViewSurfaceControl flag.

  aw_feature_overrides.DisableFeature(::features::kAndroidSurfaceControl);

  // TODO(crbug.com/40627649): WebOTP is not yet supported on

  // WebView.

  aw_feature_overrides.DisableFeature(::features::kWebOTP);

  // TODO(crbug.com/40652382): WebXR is not yet supported on WebView.

  aw_feature_overrides.DisableFeature(::features::kWebXr);

  // TODO(crbug.com/40831925): Digital Goods API is not yet supported

  // on WebView.

  aw_feature_overrides.DisableFeature(::features::kDigitalGoodsApi);

  aw_feature_overrides.DisableFeature(::features::kDynamicColorGamut);

  // COOP is not supported on WebView yet. See:

  // https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/XBKAGb2_7uAi.

  aw_feature_overrides.DisableFeature(

      network::features::kCrossOriginOpenerPolicy);

  aw_feature_overrides.DisableFeature(::features::kInstalledApp);

  aw_feature_overrides.DisableFeature(::features::kPeriodicBackgroundSync);

  // Disabled until viz scheduling can be improved.

  aw_feature_overrides.DisableFeature(

      ::features::kUseSurfaceLayerForVideoDefault);

  // Disable dr-dc on webview.

  aw_feature_overrides.DisableFeature(::features::kEnableDrDc);

  // TODO(crbug.com/40703318): Web Bluetooth is not yet supported on WebView.

  aw_feature_overrides.DisableFeature(::features::kWebBluetooth);

  // TODO(crbug.com/41441927): WebUSB is not yet supported on WebView.

  aw_feature_overrides.DisableFeature(::features::kWebUsb);

  // Disable TFLite based language detection on webview until webview supports

  // ML model delivery via Optimization Guide component.

  // TODO(crbug.com/40819484): Enable the feature on Webview.

  aw_feature_overrides.DisableFeature(

      ::translate::kTFLiteLanguageDetectionEnabled);

  // Disable key pinning enforcement on webview.

  aw_feature_overrides.DisableFeature(

      net::features::kStaticKeyPinningEnforcement);

  // FedCM is not yet supported on WebView.

  aw_feature_overrides.DisableFeature(::features::kFedCm);

  // TODO(crbug.com/40272633): Web MIDI permission prompt for all usage.

  aw_feature_overrides.DisableFeature(blink::features::kBlockMidiByDefault);

  // Disable device posture API as the framework implementation causes

  // AwContents to leak in apps that don't call destroy().

  aw_feature_overrides.DisableFeature(blink::features::kDevicePosture);

  aw_feature_overrides.DisableFeature(blink::features::kViewportSegments);

  // New Safe Browsing API is still being rolled out on WebView.

  aw_feature_overrides.DisableFeature(

      safe_browsing::kSafeBrowsingNewGmsApiForBrowseUrlDatabaseCheck);

  if (base::CommandLine::ForCurrentProcess()->HasSwitch(

          switches::kDebugBlindauth)) {

    aw_feature_overrides.EnableFeature(net::features::kEnableIpProtectionProxy);

    aw_feature_overrides.EnableFeature(network::features::kMaskedDomainList);

  }

  // Delete Incidental Party State (DIPS) feature is not yet supported on

  // WebView.

  // TODO(b/344852824): Enable the feature for WebView

  aw_feature_overrides.DisableFeature(::features::kDIPS);

}

            ]

        }

    ],

    "TopLevelOriginTrialForThirdPartyCookieDeprecation": [

        {

            "platforms": [

                "android",

                "chromeos",

                "chromeos_lacros",

                "fuchsia",

                "linux",

                "mac",

                "windows"

            ],

            "experiments": [

                {

                    "name": "Enabled",

                    "enable_features": [

                        "TopLevelTpcdOriginTrial"

                    ]

                }

            ]

        }

    ],

    "TopLevelThirdPartyCookieDeprecationTrialService": [

        {

            "platforms": [