https://bugs.webkit.org/show_bug.cgi?id=91072.

Patch by Pan Deng <pan.deng@intel.com> on 2012-10-22
Reviewed by Tony Gentilcore.

This patch expose user timing entries via performance timeline interface. JavaScriptCore custom binding will be another patch

No new tests, user timing test cases have been landed.

* page/Performance.cpp:
(WebCore::Performance::Performance):
(WebCore::Performance::webkitGetEntries):
(WebCore::Performance::webkitGetEntriesByType):
(WebCore::Performance::webkitGetEntriesByName):
* page/PerformanceEntry.h:
(WebCore::PerformanceEntry::startTimeCompareLessThan):
(PerformanceEntry):
* page/PerformanceEntryList.cpp:
(WebCore::PerformanceEntryList::sort):
(WebCore):
* page/PerformanceEntryList.h:
(PerformanceEntryList):
* page/PerformanceUserTiming.cpp:
(WebCore::convertToEntrySequence):
(WebCore):
(WebCore::getEntrySequenceByName):
(WebCore::UserTiming::getMarks):
(WebCore::UserTiming::getMeasures):
* page/PerformanceUserTiming.h:
(UserTiming):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@132147 268f45cc-cd09-0410-ab3c-d52691b4dbfc