Make LayerTreeHost::animateLayers take a wall clock time in addition to a monotonic time

webkit/compositor_bindings/web_layer_tree_view_impl.cc

Index: webkit/compositor_bindings/web_layer_tree_view_impl.cc
diff --git a/webkit/compositor_bindings/web_layer_tree_view_impl.cc b/webkit/compositor_bindings/web_layer_tree_view_impl.cc
index e42a3c7696331bf47a8da012a6b1f72fab3371ae..dec9c015414a7eb62bca02c926d0113a4ebca6be 100644
--- a/webkit/compositor_bindings/web_layer_tree_view_impl.cc
+++ b/webkit/compositor_bindings/web_layer_tree_view_impl.cc
@@ -151,10 +151,18 @@ void WebLayerTreeViewImpl::composite()
     m_layerTreeHost->composite();
 }
 
+// TODO(ajuma): Remove this after WebKit bug 106594 (which switches to using the 2-argument version) lands.
 void WebLayerTreeViewImpl::updateAnimations(double frameBeginTimeSeconds)
 {
     base::TimeTicks frameBeginTime = base::TimeTicks::FromInternalValue(frameBeginTimeSeconds * base::Time::kMicrosecondsPerSecond);
-    m_layerTreeHost->updateAnimations(frameBeginTime);
+    m_layerTreeHost->updateAnimations(frameBeginTime, base::Time::Now());
+}
+
+void WebLayerTreeViewImpl::updateAnimations(double monotonicFrameBeginTimeSeconds, double wallClockFrameBeginTimeSeconds)
+{
+    base::TimeTicks monotonicFrameBeginTime = base::TimeTicks::FromInternalValue(monotonicFrameBeginTimeSeconds * base::Time::kMicrosecondsPerSecond);
+    base::Time wallClockFrameBeginTime = base::Time::FromDoubleT(wallClockFrameBeginTimeSeconds);
+    m_layerTreeHost->updateAnimations(monotonicFrameBeginTime, wallClockFrameBeginTime);
 }
 
 void WebLayerTreeViewImpl::didStopFlinging()