Unreviewed GTK build fix attempt after r160395

Renamed WebUInt64 to API::UInt64, WebDouble to API::Double, WebBoolean
to API::Boolean.

* UIProcess/API/gtk/WebKitInjectedBundleClient.cpp:
(didReceiveWebViewMessageFromInjectedBundle):
* UIProcess/API/gtk/WebKitWebView.cpp:
(webkit_web_view_get_snapshot):
* UIProcess/API/gtk/WebKitWindowProperties.cpp: Included APINumber.h instead of WebNumber.h
(webkitWindowPropertiesUpdateFromWebWindowFeatures):
* WebProcess/InjectedBundle/API/gtk/WebKitWebPage.cpp:
(didInitiateLoadForResource):
(willSendRequestForFrame):
(didReceiveResponseForResource):
(didReceiveContentLengthForResource):
(didFinishLoadForResource):
(didFailLoadForResource):
(webkitWebPageDidReceiveMessage):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@160408 268f45cc-cd09-0410-ab3c-d52691b4dbfc