Unreviewed, reverting 275367@main

https://bugs.webkit.org/show_bug.cgi?id=270165
rdar://123689477

275367@main broke Apple Internal builds

Reverted change:

Remove ApplicationCache code from WebKitLegacy and TestRunner
https://bugs.webkit.org/show_bug.cgi?id=270120
rdar://123651735
https://commits.webkit.org/275367@main

Canonical link: https://commits.webkit.org/275382@main

Source/WebKit/MigratedHeaders-input.xcfilelist

@@ -170,6 +170,7 @@ $(WEBKITLEGACY_PRIVATE_HEADERS_DIR)/DOMXPathNSResolver.h
 $(WEBKITLEGACY_PRIVATE_HEADERS_DIR)/DOMXPathResult.h
 $(WEBKITLEGACY_PRIVATE_HEADERS_DIR)/NSURLDownloadSPI.h
 $(WEBKITLEGACY_PRIVATE_HEADERS_DIR)/WebAllowDenyPolicyListener.h
+$(WEBKITLEGACY_PRIVATE_HEADERS_DIR)/WebApplicationCache.h
 $(WEBKITLEGACY_PRIVATE_HEADERS_DIR)/WebArchive.h
 $(WEBKITLEGACY_PRIVATE_HEADERS_DIR)/WebAutocapitalizeTypes.h
 $(WEBKITLEGACY_PRIVATE_HEADERS_DIR)/WebBackForwardList.h

Source/WebKit/MigratedHeaders-output.xcfilelist

@@ -164,6 +164,7 @@ $(TARGET_BUILD_DIR)/$(WK_MAC_PUBLIC_IOS_PRIVATE_HEADERS_DIR)/DOMXPathNSResolver.
 $(TARGET_BUILD_DIR)/$(WK_MAC_PUBLIC_IOS_PRIVATE_HEADERS_DIR)/DOMXPathResult.h
 $(TARGET_BUILD_DIR)/$(PRIVATE_HEADERS_FOLDER_PATH)/NSURLDownloadSPI.h
 $(TARGET_BUILD_DIR)/$(PRIVATE_HEADERS_FOLDER_PATH)/WebAllowDenyPolicyListener.h
+$(TARGET_BUILD_DIR)/$(PRIVATE_HEADERS_FOLDER_PATH)/WebApplicationCache.h
 $(TARGET_BUILD_DIR)/$(WK_MAC_PUBLIC_IOS_PRIVATE_HEADERS_DIR)/WebArchive.h
 $(TARGET_BUILD_DIR)/$(PRIVATE_HEADERS_FOLDER_PATH)/WebAutocapitalizeTypes.h
 $(TARGET_BUILD_DIR)/$(WK_MAC_PUBLIC_IOS_PRIVATE_HEADERS_DIR)/WebBackForwardList.h

Source/WebKit/Modules/OSX_Private.modulemap

@@ -1314,6 +1314,11 @@ framework module WebKit_Private [system] {
     export *
   }
 
+  explicit module WebApplicationCache {
+    header "WebApplicationCache.h"
+    export *
+  }
+
   explicit module WebAutocapitalizeTypes {
     header "WebAutocapitalizeTypes.h"
     export *

Source/WebKit/Modules/iOS_Private.modulemap

@@ -2019,6 +2019,11 @@ framework module WebKit_Private [system] {
     export *
   }
 
+  explicit module WebApplicationCache {
+    header "WebApplicationCache.h"
+    export *
+  }
+
   explicit module WebArchive {
     header "WebArchive.h"
     export *

Source/WebKit/NetworkProcess/NetworkResourceLoader.cpp

@@ -781,7 +781,7 @@ void NetworkResourceLoader::processClearSiteDataHeader(const WebCore::ResourceRe
     if (clearSiteDataValues.contains(ClearSiteDataValue::Cookies))
         typesToRemove.add(WebsiteDataType::Cookies);
     if (clearSiteDataValues.contains(ClearSiteDataValue::Storage)) {
-        typesToRemove.add({ WebsiteDataType::LocalStorage, WebsiteDataType::SessionStorage, WebsiteDataType::IndexedDBDatabases, WebsiteDataType::DOMCache, WebsiteDataType::FileSystem, WebsiteDataType::WebSQLDatabases });
+        typesToRemove.add({ WebsiteDataType::LocalStorage, WebsiteDataType::SessionStorage, WebsiteDataType::IndexedDBDatabases, WebsiteDataType::DOMCache, WebsiteDataType::OfflineWebApplicationCache, WebsiteDataType::FileSystem, WebsiteDataType::WebSQLDatabases });
         typesToRemove.add(WebsiteDataType::ServiceWorkerRegistrations);
     }
 

Source/WebKit/WebProcess/InjectedBundle/API/c/WKBundlePage.cpp

@@ -62,6 +62,7 @@
 #include "WebProcess.h"
 #include <WebCore/AXCoreObject.h>
 #include <WebCore/AXObjectCache.h>
+#include <WebCore/ApplicationCacheStorage.h>
 #include <WebCore/CSSParser.h>
 #include <WebCore/CaptionUserPreferences.h>
 #include <WebCore/CompositionHighlight.h>
@@ -863,6 +864,12 @@ WKStringRef WKBundlePageCopyGroupIdentifier(WKBundlePageRef pageRef)
     return WebKit::toCopiedAPI(WebKit::toImpl(pageRef)->pageGroup()->identifier());
 }
 
+void WKBundlePageClearApplicationCache(WKBundlePageRef page)
+{
+    if (auto* applicationCacheStorage = WebKit::toImpl(page)->corePage()->applicationCacheStorage())
+        applicationCacheStorage->deleteAllEntries();
+}
+
 void WKBundlePageSetCaptionDisplayMode(WKBundlePageRef page, WKStringRef mode)
 {
 #if ENABLE(VIDEO)
@@ -887,6 +894,39 @@ WKCaptionUserPreferencesTestingModeTokenRef WKBundlePageCreateCaptionUserPrefere
 #endif
 }
 
+void WKBundlePageClearApplicationCacheForOrigin(WKBundlePageRef page, WKStringRef origin)
+{
+    if (auto* applicationCacheStorage = WebKit::toImpl(page)->corePage()->applicationCacheStorage())
+        applicationCacheStorage->deleteCacheForOrigin(WebCore::SecurityOriginData::fromURL(URL { WebKit::toImpl(origin)->string() }));
+}
+
+void WKBundlePageSetAppCacheMaximumSize(WKBundlePageRef page, uint64_t size)
+{
+    if (auto* applicationCacheStorage = WebKit::toImpl(page)->corePage()->applicationCacheStorage())
+        applicationCacheStorage->setMaximumSize(size);
+}
+
+uint64_t WKBundlePageGetAppCacheUsageForOrigin(WKBundlePageRef page, WKStringRef origin)
+{
+    if (auto* applicationCacheStorage = WebKit::toImpl(page)->corePage()->applicationCacheStorage())
+        return applicationCacheStorage->diskUsageForOrigin(WebCore::SecurityOriginData::fromURL(URL { WebKit::toImpl(origin)->string() }));
+
+    return 0;
+}
+
+WKArrayRef WKBundlePageCopyOriginsWithApplicationCache(WKBundlePageRef page)
+{
+    auto* applicationCacheStorage = WebKit::toImpl(page)->corePage()->applicationCacheStorage();
+    if (!applicationCacheStorage)
+        return { };
+
+    auto origins = applicationCacheStorage->originsWithCache();
+    auto originIdentifiers = WTF::map(origins, [](auto& origin) -> RefPtr<API::Object> {
+        return API::String::create(origin.databaseIdentifier());
+    });
+    return WebKit::toAPI(&API::Array::create(WTFMove(originIdentifiers)).leakRef());
+}
+
 void WKBundlePageSetEventThrottlingBehaviorOverride(WKBundlePageRef page, WKEventThrottlingBehavior* behavior)
 {
     std::optional<WebCore::EventThrottlingBehavior> behaviorValue;

Source/WebKit/WebProcess/InjectedBundle/API/c/WKBundlePagePrivate.h

@@ -124,6 +124,13 @@ WK_EXPORT void WKBundlePageAddUserScriptInWorld(WKBundlePageRef page, WKStringRe
 WK_EXPORT void WKBundlePageAddUserStyleSheet(WKBundlePageRef page, WKStringRef source, WKUserContentInjectedFrames injectedFrames);
 WK_EXPORT void WKBundlePageRemoveAllUserContent(WKBundlePageRef page);
 
+// Application Cache API, for WKTR.
+WK_EXPORT void WKBundlePageClearApplicationCache(WKBundlePageRef page);
+WK_EXPORT void WKBundlePageClearApplicationCacheForOrigin(WKBundlePageRef page, WKStringRef origin);
+WK_EXPORT void WKBundlePageSetAppCacheMaximumSize(WKBundlePageRef page, uint64_t size);
+WK_EXPORT uint64_t WKBundlePageGetAppCacheUsageForOrigin(WKBundlePageRef page, WKStringRef origin);
+WK_EXPORT WKArrayRef WKBundlePageCopyOriginsWithApplicationCache(WKBundlePageRef page);
+
 WK_EXPORT void WKBundlePageSetCaptionDisplayMode(WKBundlePageRef page, WKStringRef mode);
 WK_EXPORT WKCaptionUserPreferencesTestingModeTokenRef WKBundlePageCreateCaptionUserPreferencesTestingModeToken(WKBundlePageRef page);
 

Source/WebKitLegacy/SourcesCocoa.txt

@@ -165,6 +165,9 @@ mac/Plugins/WebPluginController.mm
 mac/Plugins/WebPluginDatabase.mm
 
 mac/History/WebBackForwardList.mm
+
+mac/WebCoreSupport/WebApplicationCache.mm
+mac/WebCoreSupport/WebApplicationCacheQuotaManager.mm
 mac/WebCoreSupport/WebFrameLoaderClient.mm
 
 mac/WebInspector/WebInspector.mm

Source/WebKitLegacy/WebKitLegacy.xcodeproj/project.pbxproj

@@ -66,6 +66,7 @@
 		1A6B313B1A51F3A900422975 /* StorageTracker.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 1A6B312E1A51F3A900422975 /* StorageTracker.cpp */; };
 		1A6B313C1A51F3A900422975 /* StorageTracker.h in Headers */ = {isa = PBXBuildFile; fileRef = 1A6B312F1A51F3A900422975 /* StorageTracker.h */; };
 		1A6B313D1A51F3A900422975 /* StorageTrackerClient.h in Headers */ = {isa = PBXBuildFile; fileRef = 1A6B31301A51F3A900422975 /* StorageTrackerClient.h */; };
+		1A86CCD41AD48A620074BA89 /* WebApplicationCacheInternal.h in Headers */ = {isa = PBXBuildFile; fileRef = 1A86CCD31AD48A620074BA89 /* WebApplicationCacheInternal.h */; };
 		1A9119F61DB0470A0087D1FD /* BackForwardList.mm in Sources */ = {isa = PBXBuildFile; fileRef = 1A9119F41DB0470A0087D1FD /* BackForwardList.mm */; };
 		1A9119F71DB0470A0087D1FD /* BackForwardList.h in Headers */ = {isa = PBXBuildFile; fileRef = 1A9119F51DB0470A0087D1FD /* BackForwardList.h */; };
 		1AA83F831A5C4AE400026EC6 /* WebDatabaseProvider.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 1AA83F811A5C4AE400026EC6 /* WebDatabaseProvider.cpp */; };
@@ -609,9 +610,11 @@
 		A5DEFC0C11D5331C00885273 /* WebSecurityOriginPrivate.h in Headers */ = {isa = PBXBuildFile; fileRef = A5DEFC0911D5331C00885273 /* WebSecurityOriginPrivate.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		A5DEFC0F11D5343E00885273 /* WebDatabaseQuotaManager.h in Headers */ = {isa = PBXBuildFile; fileRef = A5DEFC0D11D5343E00885273 /* WebDatabaseQuotaManager.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		A5DEFC1011D5343E00885273 /* WebDatabaseQuotaManager.mm in Sources */ = {isa = PBXBuildFile; fileRef = A5DEFC0E11D5343E00885273 /* WebDatabaseQuotaManager.mm */; };
+		A5DEFC1311D5344B00885273 /* WebApplicationCacheQuotaManager.h in Headers */ = {isa = PBXBuildFile; fileRef = A5DEFC1111D5344B00885273 /* WebApplicationCacheQuotaManager.h */; };
 		A70936AF0B5608DC00CDB48E /* WebDragClient.h in Headers */ = {isa = PBXBuildFile; fileRef = A70936AD0B5608DC00CDB48E /* WebDragClient.h */; };
 		A70936B00B5608DC00CDB48E /* WebDragClient.mm in Sources */ = {isa = PBXBuildFile; fileRef = A70936AE0B5608DC00CDB48E /* WebDragClient.mm */; };
 		AB9FBBBB0F8582B0006ADC43 /* WebDOMOperationsInternal.h in Headers */ = {isa = PBXBuildFile; fileRef = AB9FBBBA0F8582B0006ADC43 /* WebDOMOperationsInternal.h */; };
+		B6CE5C25100BC5F500219936 /* WebApplicationCache.h in Headers */ = {isa = PBXBuildFile; fileRef = B68049710FFBCEC1009F7F62 /* WebApplicationCache.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		B804176F1217A83100466BAE /* WebInspectorFrontend.h in Headers */ = {isa = PBXBuildFile; fileRef = B804176D1217A83100466BAE /* WebInspectorFrontend.h */; };
 		B80417701217A83100466BAE /* WebInspectorFrontend.mm in Sources */ = {isa = PBXBuildFile; fileRef = B804176E1217A83100466BAE /* WebInspectorFrontend.mm */; };
 		B82958D3132707D0000D0E79 /* CorrectionPanel.h in Headers */ = {isa = PBXBuildFile; fileRef = B82958D1132707D0000D0E79 /* CorrectionPanel.h */; };
@@ -723,6 +726,7 @@
 		1A6B312E1A51F3A900422975 /* StorageTracker.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = StorageTracker.cpp; path = Storage/StorageTracker.cpp; sourceTree = SOURCE_ROOT; };
 		1A6B312F1A51F3A900422975 /* StorageTracker.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = StorageTracker.h; path = Storage/StorageTracker.h; sourceTree = SOURCE_ROOT; };
 		1A6B31301A51F3A900422975 /* StorageTrackerClient.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = StorageTrackerClient.h; path = Storage/StorageTrackerClient.h; sourceTree = SOURCE_ROOT; };
+		1A86CCD31AD48A620074BA89 /* WebApplicationCacheInternal.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebApplicationCacheInternal.h; sourceTree = "<group>"; };
 		1A9119F41DB0470A0087D1FD /* BackForwardList.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = BackForwardList.mm; sourceTree = "<group>"; };
 		1A9119F51DB0470A0087D1FD /* BackForwardList.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = BackForwardList.h; sourceTree = "<group>"; };
 		1AA83F811A5C4AE400026EC6 /* WebDatabaseProvider.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = WebDatabaseProvider.cpp; path = ../../Storage/WebDatabaseProvider.cpp; sourceTree = "<group>"; };
@@ -1401,9 +1405,13 @@
 		A5DEFC0911D5331C00885273 /* WebSecurityOriginPrivate.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebSecurityOriginPrivate.h; sourceTree = "<group>"; };
 		A5DEFC0D11D5343E00885273 /* WebDatabaseQuotaManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebDatabaseQuotaManager.h; sourceTree = "<group>"; };
 		A5DEFC0E11D5343E00885273 /* WebDatabaseQuotaManager.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = WebDatabaseQuotaManager.mm; sourceTree = "<group>"; };
+		A5DEFC1111D5344B00885273 /* WebApplicationCacheQuotaManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebApplicationCacheQuotaManager.h; sourceTree = "<group>"; };
+		A5DEFC1211D5344B00885273 /* WebApplicationCacheQuotaManager.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = WebApplicationCacheQuotaManager.mm; sourceTree = "<group>"; };
 		A70936AD0B5608DC00CDB48E /* WebDragClient.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; path = WebDragClient.h; sourceTree = "<group>"; };
 		A70936AE0B5608DC00CDB48E /* WebDragClient.mm */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.objcpp; path = WebDragClient.mm; sourceTree = "<group>"; };
 		AB9FBBBA0F8582B0006ADC43 /* WebDOMOperationsInternal.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebDOMOperationsInternal.h; sourceTree = "<group>"; };
+		B68049710FFBCEC1009F7F62 /* WebApplicationCache.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebApplicationCache.h; sourceTree = "<group>"; };
+		B68049720FFBCEC1009F7F62 /* WebApplicationCache.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = WebApplicationCache.mm; sourceTree = "<group>"; };
 		B804176D1217A83100466BAE /* WebInspectorFrontend.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebInspectorFrontend.h; sourceTree = "<group>"; };
 		B804176E1217A83100466BAE /* WebInspectorFrontend.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = WebInspectorFrontend.mm; sourceTree = "<group>"; };
 		B82958D1132707D0000D0E79 /* CorrectionPanel.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CorrectionPanel.h; sourceTree = "<group>"; };
@@ -2506,6 +2514,11 @@
 				5CB05C8629CA18C400CC1AA0 /* SocketStreamHandleImplCFNet.cpp */,
 				CEDA12DA152CBE6800D9E08D /* WebAlternativeTextClient.h */,
 				CEDA12D9152CBE6800D9E08D /* WebAlternativeTextClient.mm */,
+				B68049710FFBCEC1009F7F62 /* WebApplicationCache.h */,
+				B68049720FFBCEC1009F7F62 /* WebApplicationCache.mm */,
+				1A86CCD31AD48A620074BA89 /* WebApplicationCacheInternal.h */,
+				A5DEFC1111D5344B00885273 /* WebApplicationCacheQuotaManager.h */,
+				A5DEFC1211D5344B00885273 /* WebApplicationCacheQuotaManager.mm */,
 				460135E2269FAD31007A8A95 /* WebBroadcastChannelRegistry.cpp */,
 				460135E3269FAD31007A8A95 /* WebBroadcastChannelRegistry.h */,
 				51CBFCAC0D10E6C5002DBF51 /* WebCachedFramePlatformData.h */,
@@ -2844,6 +2857,9 @@
 				44DDD0822540F97F00836F81 /* TestingFunctions.h in Headers */,
 				7C1FB3C21846E8E1001A03D8 /* WebAllowDenyPolicyListener.h in Headers */,
 				CEDA12DC152CBE6800D9E08D /* WebAlternativeTextClient.h in Headers */,
+				B6CE5C25100BC5F500219936 /* WebApplicationCache.h in Headers */,
+				1A86CCD41AD48A620074BA89 /* WebApplicationCacheInternal.h in Headers */,
+				A5DEFC1311D5344B00885273 /* WebApplicationCacheQuotaManager.h in Headers */,
 				9398109A0824BF01008DF038 /* WebArchive.h in Headers */,
 				44BB8B141241A022001E3A22 /* WebArchiveInternal.h in Headers */,
 				939810290824BF01008DF038 /* WebAuthenticationPanel.h in Headers */,

Source/WebKitLegacy/mac/Misc/WebCache.mm

@@ -26,11 +26,13 @@
 #import "WebCache.h"
 
 #import "NetworkStorageSessionMap.h"
+#import "WebApplicationCacheInternal.h"
 #import "WebNSObjectExtras.h"
 #import "WebPreferences.h"
 #import "WebView.h"
 #import "WebViewInternal.h"
 #import <JavaScriptCore/InitializeThreading.h>
+#import <WebCore/ApplicationCacheStorage.h>
 #import <WebCore/CookieJar.h>
 #import <WebCore/CredentialStorage.h>
 #import <WebCore/CrossOriginPreflightResultCache.h>
@@ -122,6 +124,9 @@ + (void)empty
     [WebView _setCacheModel:WebCacheModelDocumentViewer];
     [WebView _setCacheModel:cacheModel];
 
+    // Empty the application cache.
+    webApplicationCacheStorage().empty();
+
     // Empty the Cross-Origin Preflight cache
     WebCore::CrossOriginPreflightResultCache::singleton().clear();
 }

Source/WebKitLegacy/mac/WebCoreSupport/WebApplicationCache.h

@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2009 Apple 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 APPLE 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 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. 
+ */
+
+#import <Foundation/Foundation.h>
+
+@class WebSecurityOrigin;
+
+@interface WebApplicationCache: NSObject
+
+#if TARGET_OS_IPHONE
++ (void)initializeWithBundleIdentifier:(NSString *)bundleIdentifier;
+#endif
++ (long long)maximumSize;
++ (void)setMaximumSize:(long long)size;
+
++ (long long)defaultOriginQuota;
++ (void)setDefaultOriginQuota:(long long)size;
+
++ (long long)diskUsageForOrigin:(WebSecurityOrigin *)origin;
+
++ (void)deleteAllApplicationCaches;
++ (void)deleteCacheForOrigin:(WebSecurityOrigin *)origin;
+
++ (NSArray *)originsWithCache;
+
+@end