mshtml: Implement performance.timing.navigationStart.

dlls/mshtml/mshtml_private.h

@@ -508,6 +508,8 @@ typedef struct {
     IHTMLPerformanceTiming IHTMLPerformanceTiming_iface;
 
     LONG ref;
+
+    ULONGLONG navigation_start_time;
 } HTMLPerformanceTiming;
 
 typedef struct nsChannelBSC nsChannelBSC;

dlls/mshtml/navigate.c

@@ -1357,8 +1357,10 @@ static HRESULT nsChannelBSC_start_binding(BSCallback *bsc)
 {
     nsChannelBSC *This = nsChannelBSC_from_BSCallback(bsc);
 
-    if(This->is_doc_channel)
+    if(This->is_doc_channel) {
         This->bsc.window->base.outer_window->base.inner_window->doc->skip_mutation_notif = FALSE;
+        This->bsc.window->performance_timing->navigation_start_time = get_time_stamp();
+    }
 
     return S_OK;
 }

dlls/mshtml/omnavigator.c

@@ -1591,9 +1591,9 @@ static HRESULT WINAPI HTMLPerformanceTiming_get_navigationStart(IHTMLPerformance
 {
     HTMLPerformanceTiming *This = impl_from_IHTMLPerformanceTiming(iface);
 
-    FIXME("(%p)->(%p) returning fake value\n", This, p);
+    TRACE("(%p)->(%p)\n", This, p);
 
-    *p = TIMING_FAKE_TIMESTAMP;
+    *p = This->navigation_start_time;
     return S_OK;
 }
 

dlls/mshtml/tests/documentmode.js

@@ -19,6 +19,8 @@
 var compat_version;
 var tests = [];
 
+ok(performance.timing.navigationStart > 0, "navigationStart <= 0");
+
 var pageshow_fired = false, pagehide_fired = false;
 document.doc_unload_events_called = false;
 window.onbeforeunload = function() { ok(false, "beforeunload fired"); };