Auto generate UseCounter::Feature enum from an .in file

Source/core/frame/UseCounter.h

 /*
  * Copyright (C) 2012 Google, Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef UseCounter_h
 #define UseCounter_h
 
 #include "core/CSSPropertyNames.h"
+#include "core/UseCounterGenerated.h"
 #include "wtf/BitVector.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/text/WTFString.h"
 #include <v8.h>
 
 namespace blink {
 
 class CSSStyleSheet;
 class Document;
 class ExecutionContext;
 class Frame;
 class LocalFrame;
 class StyleSheetContents;
 
 // UseCounter is used for counting the number of times features of
 // Blink are used on real web pages and help us know commonly
 // features are used and thus when it's safe to remove or change them.
 //
 // The Chromium Content layer controls what is done with this data.
 // For instance, in Google Chrome, these counts are submitted
 // anonymously through the Histogram recording system in Chrome
 // for users who opt-in to "Usage Statistics" submission
 // during their install of Google Chrome:
 // http://www.google.com/chrome/intl/en/privacy.html
 
-class UseCounter {
+class UseCounter : public UseCounterGenerated {

[haraken, 2014/11/24 09:38:49]

Add final.

     WTF_MAKE_NONCOPYABLE(UseCounter);
 public:
     UseCounter();
     ~UseCounter();
 
-    enum Feature {
-        // Do not change assigned numbers of existing items: add new features
-        // to the end of the list.
-        PageDestruction = 0,
-        PrefixedIndexedDB = 3,
-        WorkerStart = 4,
-        SharedWorkerStart = 5,
-        UnprefixedIndexedDB = 9,
-        OpenWebDatabase = 10,
-        UnprefixedRequestAnimationFrame = 13,
-        PrefixedRequestAnimationFrame = 14,
-        ContentSecurityPolicy = 15,
-        ContentSecurityPolicyReportOnly = 16,
-        PrefixedTransitionEndEvent = 18,
-        UnprefixedTransitionEndEvent = 19,
-        PrefixedAndUnprefixedTransitionEndEvent = 20,
-        AutoFocusAttribute = 21,
-        DataListElement = 23,
-        FormAttribute = 24,
-        IncrementalAttribute = 25,
-        InputTypeColor = 26,
-        InputTypeDate = 27,
-        InputTypeDateTimeFallback = 29,
-        InputTypeDateTimeLocal = 30,
-        InputTypeEmail = 31,
-        InputTypeMonth = 32,
-        InputTypeNumber = 33,
-        InputTypeRange = 34,
-        InputTypeSearch = 35,
-        InputTypeTel = 36,
-        InputTypeTime = 37,
-        InputTypeURL = 38,
-        InputTypeWeek = 39,
-        InputTypeWeekFallback = 40,
-        ListAttribute = 41,
-        MaxAttribute = 42,
-        MinAttribute = 43,
-        PatternAttribute = 44,
-        PlaceholderAttribute = 45,
-        PrefixedDirectoryAttribute = 47,
-        RequiredAttribute = 49,
-        ResultsAttribute = 50,
-        StepAttribute = 51,
-        PageVisits = 52,
-        HTMLMarqueeElement = 53,
-        Reflection = 55,
-        PrefixedStorageInfo = 57,
-        XFrameOptions = 58,
-        XFrameOptionsSameOrigin = 59,
-        XFrameOptionsSameOriginWithBadAncestorChain = 60,
-        DeprecatedFlexboxWebContent = 61,
-        DeprecatedFlexboxChrome = 62,
-        DeprecatedFlexboxChromeExtension = 63,
-        UnprefixedPerformanceTimeline = 65,
-        UnprefixedUserTiming = 67,
-        WindowEvent = 69,
-        ContentSecurityPolicyWithBaseElement = 70,
-        PrefixedMediaAddKey = 71,
-        PrefixedMediaGenerateKeyRequest = 72,
-        DocumentClear = 74,
-        XMLDocument = 77,
-        XSLProcessingInstruction = 78,
-        XSLTProcessor = 79,
-        SVGSwitchElement = 80,
-        DocumentAll = 83,
-        FormElement = 84,
-        DemotedFormElement = 85,
-        SVGAnimationElement = 90,
-        KeyboardEventKeyLocation = 91,
-        LineClamp = 96,
-        SubFrameBeforeUnloadRegistered = 97,
-        SubFrameBeforeUnloadFired = 98,
-        ConsoleMarkTimeline = 102,
-        ElementGetAttributeNode = 107,
-        ElementSetAttributeNode = 108,
-        ElementRemoveAttributeNode = 109,
-        ElementGetAttributeNodeNS = 110,
-        DocumentCreateAttribute = 111,
-        DocumentCreateAttributeNS = 112,
-        DocumentCreateCDATASection = 113, // Removed from DOM4.
-        DocumentInputEncoding = 114, // Removed from DOM4.
-        DocumentXMLEncoding = 115, // Removed from DOM4.
-        DocumentXMLStandalone = 116, // Removed from DOM4.
-        DocumentXMLVersion = 117, // Removed from DOM4.
-        NodeIsSameNode = 118, // Removed from DOM4.
-        NodeNamespaceURI = 120, // Removed from DOM4.
-        NodeLocalName = 122, // Removed from DOM4.
-        NavigatorProductSub = 123,
-        NavigatorVendor = 124,
-        NavigatorVendorSub = 125,
-        FileError = 126,
-        DocumentCharset = 127, // Documented as IE extensions = 0, from KHTML days.
-        PrefixedAnimationEndEvent = 128,
-        UnprefixedAnimationEndEvent = 129,
-        PrefixedAndUnprefixedAnimationEndEvent = 130,
-        PrefixedAnimationStartEvent = 131,
-        UnprefixedAnimationStartEvent = 132,
-        PrefixedAndUnprefixedAnimationStartEvent = 133,
-        PrefixedAnimationIterationEvent = 134,
-        UnprefixedAnimationIterationEvent = 135,
-        PrefixedAndUnprefixedAnimationIterationEvent = 136,
-        EventReturnValue = 137, // Legacy IE extension.
-        SVGSVGElement = 138,
-        InsertAdjacentText = 140,
-        InsertAdjacentElement = 141,
-        HasAttributes = 142,
-        DOMSubtreeModifiedEvent = 143,
-        DOMNodeInsertedEvent = 144,
-        DOMNodeRemovedEvent = 145,
-        DOMNodeRemovedFromDocumentEvent = 146,
-        DOMNodeInsertedIntoDocumentEvent = 147,
-        DOMCharacterDataModifiedEvent = 148,
-        DocumentAllLegacyCall = 150,
-        HTMLEmbedElementLegacyCall = 152,
-        HTMLObjectElementLegacyCall = 153,
-        GetMatchedCSSRules = 155,
-        AttributeOwnerElement = 160,
-        AttributeSpecified = 162,
-        PrefixedAudioDecodedByteCount = 164,
-        PrefixedVideoDecodedByteCount = 165,
-        PrefixedVideoSupportsFullscreen = 166,
-        PrefixedVideoDisplayingFullscreen = 167,
-        PrefixedVideoEnterFullscreen = 168,
-        PrefixedVideoExitFullscreen = 169,
-        PrefixedVideoEnterFullScreen = 170,
-        PrefixedVideoExitFullScreen = 171,
-        PrefixedVideoDecodedFrameCount = 172,
-        PrefixedVideoDroppedFrameCount = 173,
-        PrefixedElementRequestFullscreen = 176,
-        PrefixedElementRequestFullScreen = 177,
-        BarPropLocationbar = 178,
-        BarPropMenubar = 179,
-        BarPropPersonalbar = 180,
-        BarPropScrollbars = 181,
-        BarPropStatusbar = 182,
-        BarPropToolbar = 183,
-        InputTypeEmailMultiple = 184,
-        InputTypeEmailMaxLength = 185,
-        InputTypeEmailMultipleMaxLength = 186,
-        InputTypeText = 190,
-        InputTypeTextMaxLength = 191,
-        InputTypePassword = 192,
-        InputTypePasswordMaxLength = 193,
-        ShowModalDialog = 195,
-        PrefixedPageVisibility = 196,
-        CSSStyleSheetInsertRuleOptionalArg = 198, // Inconsistent with the specification and other browsers.
-        DocumentBeforeUnloadRegistered = 200,
-        DocumentBeforeUnloadFired = 201,
-        DocumentUnloadRegistered = 202,
-        DocumentUnloadFired = 203,
-        SVGLocatableNearestViewportElement = 204,
-        SVGLocatableFarthestViewportElement = 205,
-        OverflowChangedEvent = 208,
-        SVGPointMatrixTransform = 209,
-        DOMFocusInOutEvent = 211,
-        FileGetLastModifiedDate = 212,
-        HTMLElementInnerText = 213,
-        HTMLElementOuterText = 214,
-        ReplaceDocumentViaJavaScriptURL = 215,
-        ElementSetAttributeNodeNS = 216, // Removed from DOM4.
-        ElementPrefixedMatchesSelector = 217,
-        CSSStyleSheetRules = 219,
-        CSSStyleSheetAddRule = 220,
-        CSSStyleSheetRemoveRule = 221,
-        // The above items are available in M33 branch.
-
-        InitMessageEvent = 222,
-        PrefixedMediaCancelKeyRequest = 229,
-        DOMImplementationHasFeature = 230,
-        DOMImplementationHasFeatureReturnFalse = 231,
-        CanPlayTypeKeySystem = 232,
-        PrefixedDevicePixelRatioMediaFeature = 233,
-        PrefixedMaxDevicePixelRatioMediaFeature = 234,
-        PrefixedMinDevicePixelRatioMediaFeature = 235,
-        PrefixedTransform3dMediaFeature = 237,
-        PrefixedStorageQuota = 240,
-        ResetReferrerPolicy = 243,
-        CaseInsensitiveAttrSelectorMatch = 244, // Case-insensitivity dropped from specification.
-        FormNameAccessForImageElement = 246,
-        FormNameAccessForPastNamesMap = 247,
-        FormAssociationByParser = 248,
-        SVGSVGElementInDocument = 250,
-        SVGDocumentRootElement = 251,
-        MediaErrorEncrypted = 253,
-        EventSourceURL = 254,
-        WebSocketURL = 255,
-        WorkerSubjectToCSP = 257,
-        WorkerAllowedByChildBlockedByScript = 258,
-        DeprecatedWebKitGradient = 260,
-        DeprecatedWebKitLinearGradient = 261,
-        DeprecatedWebKitRepeatingLinearGradient = 262,
-        DeprecatedWebKitRadialGradient = 263,
-        DeprecatedWebKitRepeatingRadialGradient = 264,
-        PrefixedImageSmoothingEnabled = 267,
-        UnprefixedImageSmoothingEnabled = 268,
-        // The above items are available in M34 branch.
-
-        TextAutosizing = 274,
-        HTMLAnchorElementPingAttribute = 276,
-        InsertAdjacentHTML = 278,
-        SVGClassName = 279,
-        HTMLAppletElement = 280,
-        HTMLMediaElementSeekToFragmentStart = 281,
-        HTMLMediaElementPauseAtFragmentEnd = 282,
-        PrefixedWindowURL = 283,
-        PrefixedWorkerURL = 284, // This didn't work because of crbug.com/376039. Available since M37.
-        WindowOrientation = 285,
-        DOMStringListContains = 286,
-        DocumentCaptureEvents = 287,
-        DocumentReleaseEvents = 288,
-        WindowCaptureEvents = 289,
-        WindowReleaseEvents = 290,
-        PrefixedGamepad = 291,
-        ElementAnimateKeyframeListEffectObjectTiming = 292,
-        ElementAnimateKeyframeListEffectDoubleTiming = 293,
-        ElementAnimateKeyframeListEffectNoTiming = 294,
-        DocumentXPathCreateExpression = 295,
-        DocumentXPathCreateNSResolver = 296,
-        DocumentXPathEvaluate = 297,
-        AttrGetValue = 298,
-        AttrSetValue = 299,
-        AnimationConstructorKeyframeListEffectObjectTiming = 300,
-        AnimationConstructorKeyframeListEffectDoubleTiming = 301,
-        AnimationConstructorKeyframeListEffectNoTiming = 302,
-        AttrSetValueWithElement = 303,
-        PrefixedCancelAnimationFrame = 304,
-        PrefixedCancelRequestAnimationFrame = 305,
-        NamedNodeMapGetNamedItem = 306,
-        NamedNodeMapSetNamedItem = 307,
-        NamedNodeMapRemoveNamedItem = 308,
-        NamedNodeMapItem = 309,
-        NamedNodeMapGetNamedItemNS = 310,
-        NamedNodeMapSetNamedItemNS = 311,
-        NamedNodeMapRemoveNamedItemNS = 312,
-        XHRProgressEventPosition = 316,
-        XHRProgressEventTotalSize = 317,
-        PrefixedDocumentIsFullscreen = 318,
-        PrefixedDocumentCurrentFullScreenElement = 320,
-        PrefixedDocumentCancelFullScreen = 321,
-        PrefixedDocumentFullscreenEnabled = 322,
-        PrefixedDocumentFullscreenElement = 323,
-        PrefixedDocumentExitFullscreen = 324,
-        // The above items are available in M35 branch.
-
-        SVGForeignObjectElement = 325,
-        SelectionSetPosition = 327,
-        AnimationPlayerFinishEvent = 328,
-        SVGSVGElementInXMLDocument = 329,
-        PrefixedPerformanceClearResourceTimings = 341,
-        PrefixedPerformanceSetResourceTimingBufferSize = 342,
-        EventSrcElement = 343,
-        EventCancelBubble = 344,
-        EventPath = 345,
-        EventClipboardData = 346,
-        NodeIteratorDetach = 347,
-        AttrNodeValue = 348,
-        AttrTextContent = 349,
-        EventGetReturnValueTrue = 350,
-        EventGetReturnValueFalse = 351,
-        EventSetReturnValueTrue = 352,
-        EventSetReturnValueFalse = 353,
-        WindowOffscreenBuffering = 356,
-        WindowDefaultStatus = 357,
-        WindowDefaultstatus = 358,
-        PrefixedTransitionEventConstructor = 361,
-        PrefixedMutationObserverConstructor = 362,
-        PrefixedIDBCursorConstructor = 363,
-        PrefixedIDBDatabaseConstructor = 364,
-        PrefixedIDBFactoryConstructor = 365,
-        PrefixedIDBIndexConstructor = 366,
-        PrefixedIDBKeyRangeConstructor = 367,
-        PrefixedIDBObjectStoreConstructor = 368,
-        PrefixedIDBRequestConstructor = 369,
-        PrefixedIDBTransactionConstructor = 370,
-        NotificationPermission = 371,
-        RangeDetach = 372,
-        HTMLTableElementVspace = 374,
-        HTMLTableElementHspace = 375,
-        PrefixedTouchRadiusX = 378,
-        PrefixedTouchRadiusY = 379,
-        PrefixedTouchRotationAngle = 380,
-        PrefixedTouchForce = 381,
-        PrefixedMouseEventMovementX = 382,
-        PrefixedMouseEventMovementY = 383,
-        PrefixedFileRelativePath = 386,
-        DocumentCaretRangeFromPoint = 387,
-        DocumentGetCSSCanvasContext = 388,
-        ElementScrollIntoViewIfNeeded = 389,
-        RangeCompareNode = 392,
-        RangeExpand = 393,
-        HTMLImageElementX = 396,
-        HTMLImageElementY = 397,
-        SelectionBaseNode = 400,
-        SelectionBaseOffset = 401,
-        SelectionExtentNode = 402,
-        SelectionExtentOffset = 403,
-        SelectionType = 404,
-        SelectionModify = 405,
-        SelectionSetBaseAndExtent = 406,
-        SelectionEmpty = 407,
-        VTTCue = 409,
-        VTTCueRender = 410,
-        VTTCueRenderVertical = 411,
-        VTTCueRenderSnapToLinesFalse = 412,
-        VTTCueRenderLineNotAuto = 413,
-        VTTCueRenderPositionNot50 = 414,
-        VTTCueRenderSizeNot100 = 415,
-        VTTCueRenderAlignNotMiddle = 416,
-        // The above items are available in M36 branch.
-
-        ElementRequestPointerLock = 417,
-        VTTCueRenderRtl = 418,
-        PostMessageFromSecureToInsecure = 419,
-        PostMessageFromInsecureToSecure = 420,
-        DocumentExitPointerLock = 421,
-        DocumentPointerLockElement = 422,
-        PrefixedCursorZoomIn = 424,
-        PrefixedCursorZoomOut = 425,
-        CSSCharsetRuleEncoding = 426,
-        DocumentSetCharset = 427,
-        DocumentDefaultCharset = 428,
-        TextEncoderConstructor = 429,
-        TextEncoderEncode = 430,
-        TextDecoderConstructor = 431,
-        TextDecoderDecode = 432,
-        FocusInOutEvent = 433,
-        MouseEventMovementX = 434,
-        MouseEventMovementY = 435,
-        DocumentFonts = 440,
-        MixedContentFormsSubmitted = 441,
-        FormsSubmitted = 442,
-        TextInputEventOnInput = 443,
-        TextInputEventOnTextArea = 444,
-        TextInputEventOnContentEditable = 445,
-        TextInputEventOnNotNode = 446,
-        WebkitBeforeTextInsertedOnInput = 447,
-        WebkitBeforeTextInsertedOnTextArea = 448,
-        WebkitBeforeTextInsertedOnContentEditable = 449,
-        WebkitBeforeTextInsertedOnNotNode = 450,
-        WebkitEditableContentChangedOnInput = 451,
-        WebkitEditableContentChangedOnTextArea = 452,
-        WebkitEditableContentChangedOnContentEditable = 453,
-        WebkitEditableContentChangedOnNotNode = 454,
-        HTMLImports = 455,
-        ElementCreateShadowRoot = 456,
-        DocumentRegisterElement = 457,
-        EditingAppleInterchangeNewline = 458,
-        EditingAppleConvertedSpace = 459,
-        EditingApplePasteAsQuotation = 460,
-        EditingAppleStyleSpanClass = 461,
-        EditingAppleTabSpanClass = 462,
-        HTMLImportsAsyncAttribute = 463,
-        FontFaceSetReady = 464,
-        XMLHttpRequestSynchronous = 465,
-        CSSSelectorPseudoUnresolved = 466,
-        CSSSelectorPseudoShadow = 467,
-        CSSSelectorPseudoContent = 468,
-        CSSSelectorPseudoHost = 469,
-        CSSSelectorPseudoHostContext = 470,
-        CSSDeepCombinator = 471,
-        SyncXHRWithCredentials = 472,
-        // The above items are available in M37 branch.
-
-        UseAsm = 473,
-        DOMWindowOpen = 475,
-        DOMWindowOpenFeatures = 476,
-        MediaStreamTrackGetSources = 478,
-        AspectRatioFlexItem = 479,
-        DetailsElement = 480,
-        DialogElement = 481,
-        MapElement = 482,
-        MeterElement = 483,
-        ProgressElement = 484,
-        VideoFullscreenAllowedExemption = 485,
-        PrefixedHTMLElementDropzone = 490,
-        WheelEventWheelDeltaX = 491,
-        WheelEventWheelDeltaY = 492,
-        WheelEventWheelDelta = 493,
-        SendBeacon = 494,
-        SendBeaconQuotaExceeded = 495,
-        SVGSMILElementInDocument = 501,
-        MouseEventOffsetX = 502,
-        MouseEventOffsetY = 503,
-        MouseEventX = 504,
-        MouseEventY = 505,
-        MouseEventFromElement = 506,
-        MouseEventToElement = 507,
-        RequestFileSystem = 508,
-        RequestFileSystemWorker = 509,
-        RequestFileSystemSyncWorker = 510,
-        UIEventLayerX = 511,
-        UIEventLayerY = 512,
-        UIEventPageX = 513,
-        UIEventPageY = 514,
-        DevToolsConsoleTimeline = 517,
-        DevToolsConsoleProfile = 518,
-        SVGStyleElementTitle = 519,
-        PictureSourceSrc = 520,
-        // The above items are available in M38 branch.
-
-        Picture = 521,
-        Sizes = 522,
-        SrcsetXDescriptor = 523,
-        SrcsetWDescriptor = 524,
-        SelectionContainsNode = 525,
-        MediaStreamEnded = 526,
-        MixedContentPrivateIPInPublicWebsitePassive = 527,
-        MixedContentPrivateIPInPublicWebsiteActive = 528,
-        XMLExternalResourceLoad = 529,
-        MixedContentPrivateHostnameInPublicHostname = 530,
-        LegacyProtocolEmbeddedAsSubresource = 531,
-        RequestedSubresourceWithEmbeddedCredentials = 532,
-        NotificationCreated = 533,
-        NotificationClosed = 534,
-        NotificationPermissionRequested = 535,
-        MediaStreamLabel = 536,
-        MediaStreamStop = 537,
-        ConsoleTimeline = 538,
-        ConsoleTimelineEnd = 539,
-        SRIElementWithMatchingIntegrityAttribute = 540,
-        SRIElementWithNonMatchingIntegrityAttribute = 541,
-        SRIElementWithUnparsableIntegrityAttribute = 542,
-        SRIElementWithIntegrityAttributeAndInsecureOrigin = 543,
-        SRIElementWithIntegrityAttributeAndInsecureResource = 544,
-        AnimationPlayerGetStartTime = 545,
-        AnimationPlayerSetStartTime = 546,
-        AnimationPlayerGetCurrentTime = 547,
-        AnimationPlayerSetCurrentTime = 548,
-        AnimationPlayerGetPlaybackRate = 549,
-        AnimationPlayerSetPlaybackRate = 550,
-        AnimationPlayerGetPlayState = 551,
-        AnimationPlayerFinish = 552,
-        AnimationPlayerPlay = 553,
-        AnimationPlayerPause = 554,
-        AnimationPlayerReverse = 555,
-        // The above items are available in M39 branch.
-
-        BreakIterator = 556,
-        ScreenOrientationAngle = 557,
-        ScreenOrientationType = 558,
-        ScreenOrientationLock = 559,
-        ScreenOrientationUnlock = 560,
-        GeolocationSecureOrigin = 561,
-        GeolocationInsecureOrigin = 562,
-        NotificationSecureOrigin = 563,
-        NotificationInsecureOrigin = 564,
-        NotificationShowEvent = 565,
-        CSSXGetComputedStyleQueries = 566,
-        SVG1DOM = 567,
-        SVGPathSegDOM = 568,
-        SVGTransformListConsolidate = 569,
-        SVGAnimatedTransformListBaseVal = 570,
-        QuotedAnimationName = 571,
-        QuotedKeyframesRule = 572,
-        SrcsetDroppedCandidate = 573,
-        WindowPostMessage = 574,
-        WindowPostMessageWithLegacyTargetOriginArgument = 575,
-        RenderRuby = 576,
-        CanvasRenderingContext2DCompositeOperationDarker = 577,
-        ScriptElementWithInvalidTypeHasSrc = 578,
-        TimelineStart = 579,
-        ElementBaseURIFromXMLBase = 580,
-        XMLHttpRequestSynchronousInNonWorkerOutsideBeforeUnload = 581,
-        CSSSelectorPseudoScrollbar = 582,
-        CSSSelectorPseudoScrollbarButton = 583,
-        CSSSelectorPseudoScrollbarThumb = 584,
-        CSSSelectorPseudoScrollbarTrack = 585,
-        CSSSelectorPseudoScrollbarTrackPiece = 586,
-        LangAttribute = 587,
-        LangAttributeOnHTML = 588,
-        LangAttributeOnBody = 589,
-        LangAttributeDoesNotMatchToUILocale = 590,
-        InputTypeSubmit = 591,
-        InputTypeSubmitWithValue = 592,
-        // The above items are available in M40 branch.
-
-        SetReferrerPolicy = 593,
-        DOMImplementationHasFeatureReturnFalseInternal = 594,
-        MouseEventWhich = 595,
-        UIEventCharCode = 596,
-        UIEventKeyCode = 597,
-        UIEventWhich = 598,
-        TextWholeText = 599,
-        AttrChildAccess = 600,
-        AttrChildChange = 601,
-
-        // Add new features immediately above this line. Don't change assigned
-        // numbers of any item, and don't reuse removed slots.
-        // Also, run update_use_counter_feature_enum.py in chromium/src/tools/metrics/histograms/
-        // to update the UMA mapping.
-        NumberOfFeatures, // This enum value must be last.
-    };
-
     // "count" sets the bit for this feature to 1. Repeated calls are ignored.
     static void count(const Frame*, Feature);
     static void count(const Document&, Feature);
     // This doesn't count for ExecutionContexts for shared workers and service
     // workers.
     static void count(const ExecutionContext*, Feature);
     // Use countIfNotPrivateScript() instead of count() if you don't want
     // to count metrics in private scripts. You should use
     // countIfNotPrivateScript() in a binding layer.
     static void countIfNotPrivateScript(v8::Isolate*, const Frame*, Feature);
@@ skipping 55 matching lines @@
 
     void updateMeasurements();
 
     OwnPtr<BitVector> m_countBits;
     BitVector m_CSSFeatureBits;
 };
 
 } // namespace blink
 
 #endif // UseCounter_h