Remove worker support of Web SQL Database.

Source/modules/webdatabase/AbstractDatabaseServer.h

Index: Source/modules/webdatabase/AbstractDatabaseServer.h
diff --git a/Source/modules/webdatabase/AbstractDatabaseServer.h b/Source/modules/webdatabase/AbstractDatabaseServer.h
index 21972d90cc43fbe76662ac18b3840ca51d7d8ac1..f82ce88f551f5437e184f04b8ff7fcc565cbbb2f 100644
--- a/Source/modules/webdatabase/AbstractDatabaseServer.h
+++ b/Source/modules/webdatabase/AbstractDatabaseServer.h
@@ -42,14 +42,12 @@ class SecurityOrigin;
 class AbstractDatabaseServer {
 public:
     virtual String fullPathForDatabase(SecurityOrigin*, const String& name, bool createIfDoesNotExist = true) = 0;
-    virtual PassRefPtrWillBeRawPtr<DatabaseBackendBase> openDatabase(DatabaseContext*, DatabaseType,
+    virtual PassRefPtrWillBeRawPtr<DatabaseBackendBase> openDatabase(DatabaseContext*,
         const String& name, const String& expectedVersion, const String& displayName, unsigned long estimatedSize,
         bool setVersionInNewDatabase, DatabaseError&, String& errorMessage) = 0;
 
     virtual void closeDatabasesImmediately(const String& originIdentifier, const String& name) = 0;
 
-    virtual void interruptAllDatabasesForContext(const DatabaseContext*) = 0;
-
 protected:
     AbstractDatabaseServer() { }
     virtual ~AbstractDatabaseServer() { }