https://bugs.webkit.org/show_bug.cgi?id=124556

Reviewed by Anders Carlsson.

* UIProcess/WebContextUserMessageCoders.h:
(WebKit::WebContextUserMessageEncoder::encode):
(WebKit::WebContextUserMessageDecoder::decode):
* UIProcess/WebPageGroup.cpp:
(WebKit::WebPageGroup::addProcess):
(WebKit::WebPageGroup::disconnectProcess):
* UIProcess/WebPageGroup.h:
(WebKit::WebPageGroup::sendToAllProcessesInGroup):
* UIProcess/WebPageProxy.cpp:
(WebKit::WebPageProxy::initializeWebPage):
* UIProcess/WebProcessProxy.cpp:
(WebKit::WebProcessProxy::disconnect):
(WebKit::WebProcessProxy::webPageGroup):
(WebKit::WebProcessProxy::addWebPageGroup):
* UIProcess/WebProcessProxy.h:
* WebProcess/WebProcess.cpp:
(WebKit::WebProcess::webPageGroup):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@159982 268f45cc-cd09-0410-ab3c-d52691b4dbfc