Move QElapsedTimer to src/corelib/kernel

It's really a kernel functionality, as it implements really low-level
functionality and it's used by the event dispatcher. It was in tools/
only because QTime is.

QDeadlineTimer is also coming to kernel/.

Change-Id: Ifea6e497f11a461db432ffff14491c6d9b839eb0
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

src/corelib/kernel/kernel.pri

@@ -4,6 +4,7 @@ HEADERS += \
         kernel/qabstracteventdispatcher.h \
         kernel/qabstractnativeeventfilter.h \
         kernel/qbasictimer.h \
+        kernel/qelapsedtimer.h \
         kernel/qeventloop.h\
         kernel/qpointer.h \
         kernel/qcorecmdlineargs_p.h \
@@ -45,6 +46,7 @@ SOURCES += \
         kernel/qabstracteventdispatcher.cpp \
         kernel/qabstractnativeeventfilter.cpp \
         kernel/qbasictimer.cpp \
+        kernel/qelapsedtimer.cpp \
         kernel/qeventloop.cpp \
         kernel/qcoreapplication.cpp \
         kernel/qcoreevent.cpp \
@@ -69,6 +71,7 @@ SOURCES += \
 win32 {
         SOURCES += \
                 kernel/qcoreapplication_win.cpp \
+                kernel/qelapsedtimer_win.cpp \
                 kernel/qwineventnotifier.cpp \
                 kernel/qsharedmemory_win.cpp \
                 kernel/qsystemsemaphore_win.cpp
@@ -103,6 +106,7 @@ mac {
         kernel/qcoreapplication_mac.cpp \
         kernel/qcore_mac.cpp \
         kernel/qcore_foundation.mm
+    !nacl: SOURCES += kernel/qelapsedtimer_mac.cpp
 
     OBJECTIVE_SOURCES += \
         kernel/qcore_mac_objc.mm \
@@ -131,6 +135,7 @@ unix|integrity {
             kernel/qcrashhandler.cpp \
             kernel/qeventdispatcher_unix.cpp \
             kernel/qtimerinfo_unix.cpp
+    !darwin|nacl: SOURCES += kernel/qelapsedtimer_unix.cpp
 
     HEADERS += \
             kernel/qcore_unix_p.h \
@@ -196,3 +201,5 @@ android {
                    kernel/qjnihelpers_p.h \
                    kernel/qjni_p.h
 }
+
+!darwin:!unix:!win32: SOURCES += kernel/qelapsedtimer_generic.cpp

src/corelib/tools/tools.pri

@@ -71,7 +71,6 @@ HEADERS +=  \
         tools/qtimezoneprivate_p.h \
         tools/qtimezoneprivate_data_p.h \
         tools/qtools_p.h \
-        tools/qelapsedtimer.h \
         tools/qunicodetables_p.h \
         tools/qunicodetools_p.h \
         tools/qvarlengtharray.h \
@@ -92,7 +91,6 @@ SOURCES += \
         tools/qdatetime.cpp \
         tools/qdatetimeparser.cpp \
         tools/qeasingcurve.cpp \
-        tools/qelapsedtimer.cpp \
         tools/qfreelist.cpp \
         tools/qhash.cpp \
         tools/qline.cpp \
@@ -130,24 +128,23 @@ msvc: NO_PCH_SOURCES += tools/qvector_msvc.cpp
 false: SOURCES += $$NO_PCH_SOURCES # Hack for QtCreator
 
 !nacl:mac: {
-    SOURCES += tools/qelapsedtimer_mac.cpp
     OBJECTIVE_SOURCES += tools/qlocale_mac.mm \
                          tools/qtimezoneprivate_mac.mm \
 }
 else:android {
-    SOURCES += tools/qelapsedtimer_unix.cpp tools/qlocale_unix.cpp tools/qtimezoneprivate_android.cpp
+    SOURCES += tools/qlocale_unix.cpp tools/qtimezoneprivate_android.cpp
 }
 else:unix {
-    SOURCES += tools/qelapsedtimer_unix.cpp tools/qlocale_unix.cpp tools/qtimezoneprivate_tz.cpp
+    SOURCES += tools/qlocale_unix.cpp tools/qtimezoneprivate_tz.cpp
 }
 else:win32 {
-    SOURCES += tools/qelapsedtimer_win.cpp \
-               tools/qlocale_win.cpp \
+    SOURCES += tools/qlocale_win.cpp \
                tools/qtimezoneprivate_win.cpp
     winphone: LIBS_PRIVATE += -lWindowsPhoneGlobalizationUtil
     winrt-*-msvc2013: LIBS += advapi32.lib
-} else:integrity:SOURCES += tools/qelapsedtimer_unix.cpp tools/qlocale_unix.cpp
-else:SOURCES += tools/qelapsedtimer_generic.cpp
+} else:integrity {
+    SOURCES += tools/qlocale_unix.cpp
+}
 
 contains(QT_CONFIG, system-zlib) {
     include($$PWD/../../3rdparty/zlib_dependency.pri)

tests/auto/corelib/kernel/kernel.pro

@@ -1,6 +1,7 @@
 TEMPLATE=subdirs
 SUBDIRS=\
     qcoreapplication \
+    qelapsedtimer \
     qeventdispatcher \
     qeventloop \
     qmath \

tests/auto/corelib/tools/tools.pro

@@ -18,7 +18,6 @@ SUBDIRS=\
     qdate \
     qdatetime \
     qeasingcurve \
-    qelapsedtimer \
     qexplicitlyshareddatapointer \
     qfreelist \
     qhash \