Use WTF::getCurrentProcessID() instead of getpid()

https://bugs.webkit.org/show_bug.cgi?id=173130

Patch by Daewoong Jang <daewoong.jang@navercorp.com> on 2017-06-09
Reviewed by Tim Horton.

* UIProcess/API/APIProcessPoolConfiguration.h:

Canonical link: https://commits.webkit.org/189999@main
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@217975 268f45cc-cd09-0410-ab3c-d52691b4dbfc

Source/WebKit2/ChangeLog

@@ -1,3 +1,12 @@
+2017-06-09  Daewoong Jang  <daewoong.jang@navercorp.com>
+
+        Use WTF::getCurrentProcessID() instead of getpid()
+        https://bugs.webkit.org/show_bug.cgi?id=173130
+
+        Reviewed by Tim Horton.
+
+        * UIProcess/API/APIProcessPoolConfiguration.h:
+
 2017-06-09  Claudio Saavedra  <csaavedra@igalia.com>
 
         struct does not accept initializer-form if member has initializers in GCC 4.9

Source/WebKit2/UIProcess/API/APIProcessPoolConfiguration.h

@@ -29,6 +29,7 @@
 #include "APIObject.h"
 #include "CacheModel.h"
 #include "WebsiteDataStore.h"
+#include <wtf/ProcessID.h>
 #include <wtf/Ref.h>
 #include <wtf/Vector.h>
 #include <wtf/text/CString.h>
@@ -169,7 +170,7 @@ class ProcessPoolConfiguration final : public ObjectImpl<Object::Type::ProcessPo
     bool m_alwaysRunsAtBackgroundPriority { false };
     bool m_shouldTakeUIBackgroundAssertion { true };
     bool m_shouldCaptureAudioInUIProcess { false };
-    pid_t m_presentingApplicationPID { getpid() };
+    pid_t m_presentingApplicationPID { getCurrentProcessID() };
 #if PLATFORM(IOS)
     WTF::String m_ctDataConnectionServiceType;
 #endif