Bug 919391 - Incorrect Navigation Timing API: performance.timing.responseStart - performance.timing.requestStart < 0 r=baku,jgraham

MozReview-Commit-ID: 6s5FljTQEAB

dom/performance/PerformanceTiming.cpp

@@ -315,6 +315,11 @@ PerformanceTiming::ResponseStartHighRes()
      (!mCacheReadStart.IsNull() && mCacheReadStart < mResponseStart)) {
     mResponseStart = mCacheReadStart;
   }
+
+  if (mResponseStart.IsNull() ||
+      (!mRequestStart.IsNull() && mResponseStart < mRequestStart)) {
+    mResponseStart = mRequestStart;
+  }
   return TimeStampToDOMHighResOrFetchStart(mResponseStart);
 }
 

testing/web-platform/meta/resource-timing/resource-timing.html.ini

@@ -1,3 +0,0 @@
-[resource-timing.html]
-  type: testharness
-  disabled: https://bugzilla.mozilla.org/show_bug.cgi?id=1290858

testing/web-platform/meta/resource-timing/test_resource_timing.html.ini

@@ -1,5 +0,0 @@
-[test_resource_timing.html]
-  type: testharness
-  [PerformanceEntry has correct network transfer attributes (xmlhttprequest)]
-    expected: FAIL
-

testing/web-platform/tests/resource-timing/resources/gzip_xml.py

@@ -1,8 +1,11 @@
 import gzip as gzip_module
 from cStringIO import StringIO
+import os
 
 def main(request, response):
-    f = open('resource-timing/resources/resource_timing_test0.xml', 'r')
+    dir_path = os.path.dirname(os.path.realpath(__file__))
+    file_path = os.path.join(dir_path, 'resource_timing_test0.xml')
+    f = open(file_path, 'r')
     output = f.read()
 
     out = StringIO()