Move the PluginProcessCrashed message to PluginProcessConnectionManager
https://bugs.webkit.org/show_bug.cgi?id=109493

Reviewed by Andreas Kling.

This is in preparation for making PluginProcessConnectionManager a connection queue client.

* DerivedSources.make:
* UIProcess/Plugins/PluginProcessProxy.cpp:
(WebKit::PluginProcessProxy::didClose):
* WebKit2.xcodeproj/project.pbxproj:
* WebProcess/Plugins/PluginProcessConnectionManager.cpp:
(WebKit::PluginProcessConnectionManager::pluginProcessCrashed):
* WebProcess/Plugins/PluginProcessConnectionManager.h:
(PluginProcessConnectionManager):
* WebProcess/Plugins/PluginProcessConnectionManager.messages.in: Added.
* WebProcess/WebProcess.cpp:
(WebKit::WebProcess::didReceiveMessageOnConnectionWorkQueue):
(WebKit::WebProcess::webResourceLoadScheduler):
* WebProcess/WebProcess.h:
(WebProcess):
* WebProcess/WebProcess.messages.in:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@142518 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Build fix for Windows after r142509

* WebKit.vcproj/WebKitExports.def.in:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@142519 268f45cc-cd09-0410-ab3c-d52691b4dbfc