Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
WebKit-gtk-devel
pkgconfig(webkit-1.0)
webkitgtk-devel
webkitgtk-devel(x86-32)

Requires :

libpthread.so.0(GLIBC_2.2)
libgobject-2.0.so.0
libpthread.so.0
rtld(GNU_HASH)
libicudata.so.42
libgcc_s.so.1(GLIBC_2.0)
libpthread.so.0(GLIBC_2.3.2)
libm.so.6
librt.so.1
pkgconfig(gtk+-2.0)
libc.so.6(GLIBC_2.4)
libwebkit-1.0.so.2
libgcc_s.so.1
libc.so.6(GLIBC_2.1.3)
libicuuc.so.42
rpmlib(PayloadIsXz) <= 5.2-1
libpthread.so.0(GLIBC_2.1)
pkgconfig(glib-2.0)
libc.so.6(GLIBC_2.0)
pkgconfig
libgthread-2.0.so.0
libpthread.so.0(GLIBC_2.0)
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
libm.so.6(GLIBC_2.0)
libicui18n.so.42
pkgconfig(libsoup-2.4)
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(CompressedFileNames) <= 3.0.4-1
libstdc++.so.6
rpmlib(VersionedDependencies) <= 3.0.3-1
libc.so.6(GLIBC_2.1)
/usr/bin/pkg-config
libpthread.so.0(GLIBC_2.2.3)
libglib-2.0.so.0
libm.so.6(GLIBC_2.1)
libgcc_s.so.1(GCC_3.0)
libstdc++.so.6(CXXABI_1.3)
libc.so.6
webkitgtk = 1.2.6-2.el6_0
gtk2-devel
libc.so.6(GLIBC_2.3.4)

Content of RPM :
/usr/bin/jsc
/usr/include/webkit-1.0
/usr/include/webkit-1.0/JavaScriptCore
/usr/include/webkit-1.0/JavaScriptCore/JSBase.h
/usr/include/webkit-1.0/JavaScriptCore/JSContextRef.h
/usr/include/webkit-1.0/JavaScriptCore/JSObjectRef.h
/usr/include/webkit-1.0/JavaScriptCore/JSStringRef.h
/usr/include/webkit-1.0/JavaScriptCore/JSStringRefBSTR.h
/usr/include/webkit-1.0/JavaScriptCore/JSStringRefCF.h
/usr/include/webkit-1.0/JavaScriptCore/JSValueRef.h
/usr/include/webkit-1.0/JavaScriptCore/JavaScript.h
/usr/include/webkit-1.0/JavaScriptCore/JavaScriptCore.h
/usr/include/webkit-1.0/JavaScriptCore/WebKitAvailability.h
/usr/include/webkit-1.0/webkit
/usr/include/webkit-1.0/webkit/webkit.h
/usr/include/webkit-1.0/webkit/webkitdefines.h
/usr/include/webkit-1.0/webkit/webkitdownload.h
/usr/include/webkit-1.0/webkit/webkitenumtypes.h
/usr/include/webkit-1.0/webkit/webkiterror.h
/usr/include/webkit-1.0/webkit/webkitgeolocationpolicydecision.h
/usr/include/webkit-1.0/webkit/webkithittestresult.h
/usr/include/webkit-1.0/webkit/webkitnetworkrequest.h
/usr/include/webkit-1.0/webkit/webkitnetworkresponse.h
/usr/include/webkit-1.0/webkit/webkitsecurityorigin.h
/usr/include/webkit-1.0/webkit/webkitsoupauthdialog.h
/usr/include/webkit-1.0/webkit/webkitversion.h
/usr/include/webkit-1.0/webkit/webkitwebbackforwardlist.h
/usr/include/webkit-1.0/webkit/webkitwebdatabase.h
/usr/include/webkit-1.0/webkit/webkitwebdatasource.h
/usr/include/webkit-1.0/webkit/webkitwebframe.h
There is 272 files more in these RPM.