https://bugs.webkit.org/show_bug.cgi?id=109829

Reviewed by Allan Sandfeld Jensen.
Signed off for WebKit2 by Benjamin Poulain.

Instead of going through WebPageProxy and PageClient to forward
injected bundle messages received by the context, maintain a static map
of WKPageRef to QQuickWebViewPrivate.

* UIProcess/API/qt/qquickwebview.cpp:
(QQuickWebViewPrivate::get):
(QQuickWebViewPrivate::~QQuickWebViewPrivate):
(QQuickWebViewPrivate::initialize):
(QQuickWebViewPrivate::didReceiveMessageFromNavigatorQtObject):
* UIProcess/API/qt/qquickwebview_p_p.h:
(QQuickWebViewPrivate):
* UIProcess/API/qt/raw/qrawwebview.cpp:
* UIProcess/API/qt/raw/qrawwebview_p_p.h:
* UIProcess/PageClient.h:
(PageClient):
* UIProcess/WebPageProxy.h:
(WebPageProxy):
* UIProcess/qt/QtPageClient.cpp:
* UIProcess/qt/QtPageClient.h:
(QtPageClient):
* UIProcess/qt/QtWebContext.cpp:
(WebKit::didReceiveMessageFromInjectedBundle):
* UIProcess/qt/WebPageProxyQt.cpp:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@145515 268f45cc-cd09-0410-ab3c-d52691b4dbfc