https://bugs.webkit.org/show_bug.cgi?id=88278

Reviewed by Tony Gentilcore.

PerformanceTests:

* resources/runner.js: Bind to proper object to avoid invalid invocation errors.

Source/WebCore:

Test: fast/dom/Window/window-properties-performance.html
      fast/performance/performance-now-timestamps.html

* page/Performance.cpp:
(WebCore::Performance::now):
* page/Performance.h:
(Performance):
* page/Performance.idl:

LayoutTests:

* fast/dom/Window/window-properties-performance-expected.txt:
* fast/performance/performance-now-timestamps-expected.txt:
* fast/performance/script-tests/performance-now-timestamps.js:
* platform/chromium/TestExpectations: Remove skipped expectation.
* platform/efl/TestExpectations:
* platform/efl/fast/dom/Window/window-properties-performance-expected.txt:
* platform/gtk/TestExpectations:
* platform/qt/TestExpectations:
* platform/qt/fast/dom/Window/window-properties-performance-expected.txt:
* resources/magnitude-perf.js:
(Magnitude._runIteration):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@131106 268f45cc-cd09-0410-ab3c-d52691b4dbfc