Revert of SkTime::GetNSecs()

src/animator/SkTime.cpp

Index: src/animator/SkTime.cpp
diff --git a/src/animator/SkTime.cpp b/src/animator/SkTime.cpp
index 560ccd2fc868d2a968595d3d15d1661162207f07..a4e035bd1e2ed53199d8a50b317990252208ac73 100644
--- a/src/animator/SkTime.cpp
+++ b/src/animator/SkTime.cpp
@@ -28,6 +28,15 @@
     }
 }
 
+SkMSec SkTime::GetMSecs() {
+#ifdef SK_DEBUG
+    if (gForceTickCount != (SkMSec) -1) {
+        return gForceTickCount;
+    }
+#endif
+    return ::GetTickCount();
+}
+
 #elif defined(xSK_BUILD_FOR_MAC)
 
 #include <time.h>
@@ -49,4 +58,13 @@
     }
 }
 
+SkMSec SkTime::GetMSecs() {
+    UnsignedWide    wide;
+    ::Microseconds(&wide);
+
+    int64_t s = ((int64_t)wide.hi << 32) | wide.lo;
+    s = (s + 500) / 1000;   // rounded divide
+    return (SkMSec)s;
+}
+
 #endif