https://bugs.webkit.org/show_bug.cgi?id=122849

Reviewed by Sam Weinig.

This mostly our typical "Add a new process type" boilerplate.

* Configurations/DatabaseProcess.xcconfig: Added.
* Configurations/DatabaseService.Development.xcconfig: Added.
* Configurations/DatabaseService.xcconfig: Added.
* WebKit2.xcodeproj/project.pbxproj:
* WebKit2Prefix.h:

* DatabaseProcess/DatabaseProcess.cpp: Added.
(WebKit::DatabaseProcess::shared):
(WebKit::DatabaseProcess::DatabaseProcess):
(WebKit::DatabaseProcess::~DatabaseProcess):
(WebKit::DatabaseProcess::initializeConnection):
(WebKit::DatabaseProcess::shouldTerminate):
(WebKit::DatabaseProcess::didReceiveMessage):
(WebKit::DatabaseProcess::didClose):
(WebKit::DatabaseProcess::didReceiveInvalidMessage):
(WebKit::DatabaseProcess::initializeProcess):
(WebKit::DatabaseProcess::initializeProcessName):
(WebKit::DatabaseProcess::initializeSandbox):
* DatabaseProcess/DatabaseProcess.h: Added.

* DatabaseProcess/EntryPoint/mac/LegacyProcess/DatabaseProcessMain.mm: Added.
(DatabaseProcessMain):
* DatabaseProcess/EntryPoint/mac/LegacyProcess/Info.plist: Added.
* DatabaseProcess/EntryPoint/mac/XPCService/DatabaseService.Development/Info.plist: Added.
* DatabaseProcess/EntryPoint/mac/XPCService/DatabaseService/Info.plist: Added.
* DatabaseProcess/EntryPoint/mac/XPCService/DatabaseServiceEntryPoint.mm: Added.
(DatabaseServiceInitializer):

* DatabaseProcess/mac/DatabaseProcessMac.mm: Added.
(WebKit::DatabaseProcess::initializeProcess):
(WebKit::DatabaseProcess::initializeProcessName):
(WebKit::DatabaseProcess::initializeSandbox):
* UIProcess/Databases/DatabaseProcessProxy.cpp: Added.
(WebKit::DatabaseProcessProxy::create):
(WebKit::DatabaseProcessProxy::DatabaseProcessProxy):
(WebKit::DatabaseProcessProxy::~DatabaseProcessProxy):
(WebKit::DatabaseProcessProxy::getLaunchOptions):
(WebKit::DatabaseProcessProxy::connectionWillOpen):
(WebKit::DatabaseProcessProxy::connectionWillClose):
(WebKit::DatabaseProcessProxy::didReceiveMessage):
(WebKit::DatabaseProcessProxy::didClose):
(WebKit::DatabaseProcessProxy::didReceiveInvalidMessage):
(WebKit::DatabaseProcessProxy::didFinishLaunching):
* UIProcess/Databases/DatabaseProcessProxy.h: Added.
* UIProcess/Databases/mac/DatabaseProcessProxyMac.mm: Added.
(WebKit::shouldUseXPC):
(WebKit::DatabaseProcessProxy::platformGetLaunchOptions):

* UIProcess/Launcher/ProcessLauncher.cpp:
(WebKit::ProcessLauncher::processTypeAsString):
(WebKit::ProcessLauncher::getProcessTypeFromString):
* UIProcess/Launcher/ProcessLauncher.h:
* UIProcess/Launcher/mac/ProcessLauncherMac.mm:
(WebKit::serviceName):
(WebKit::createProcess):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@157469 268f45cc-cd09-0410-ab3c-d52691b4dbfc