"using namespace WebCore;" is used in Source/WebKit2/UIProcess/API/efl/ewk_color_picker.cpp, because class Color is defined in WebCore namespace. But if ENABLE(INPUT_TYPE_COLOR) is false there is no WebCore namespace in Source/WebKit2/UIProcess/API/efl/ewk_color_picker.cpp and the build fails.
Created attachment 218150 [details] Patch
Comment on attachment 218150 [details] Patch r=me
Comment on attachment 218150 [details] Patch Clearing flags on attachment: 218150 Committed r160000: <http://trac.webkit.org/changeset/160000>
All reviewed patches have been landed. Closing bug.