Removing the use of base::Time inside the LayerTreeHost system.

cc/trees/layer_tree_host.cc

Index: cc/trees/layer_tree_host.cc
diff --git a/cc/trees/layer_tree_host.cc b/cc/trees/layer_tree_host.cc
index 5972a9f8303986a65849be5b35357767753d8066..c5748c7a6534425a770f9eedbe35ed61f3a3108b 100644
--- a/cc/trees/layer_tree_host.cc
+++ b/cc/trees/layer_tree_host.cc
@@ -39,6 +39,7 @@
 #include "cc/trees/single_thread_proxy.h"
 #include "cc/trees/thread_proxy.h"
 #include "cc/trees/tree_synchronizer.h"
+#include "ui/gfx/frame_time.h"
 #include "ui/gfx/size_conversions.h"
 
 namespace {
@@ -563,7 +564,7 @@ void LayerTreeHost::SetNextCommitForcesRedraw() {
 }
 
 void LayerTreeHost::SetAnimationEvents(scoped_ptr<AnimationEventsVector> events,
-                                       base::Time wall_clock_time) {
+                                       base::TimeTicks clock_time) {
   DCHECK(proxy_->IsMainThread());
   for (size_t event_index = 0; event_index < events->size(); ++event_index) {
     int event_layer_id = (*events)[event_index].layer_id;
@@ -578,12 +579,12 @@ void LayerTreeHost::SetAnimationEvents(scoped_ptr<AnimationEventsVector> events,
       switch ((*events)[event_index].type) {
         case AnimationEvent::Started:
           (*iter).second->NotifyAnimationStarted((*events)[event_index],
-                                                 wall_clock_time.ToDoubleT());
+                                                 clock_time.ToWebKit());

[ajuma, 2014/02/28 02:32:03]

This seems incorrect, since the callee is expecting a wall clock time (expressed
as a double). As noted elsewhere, this time is ultimately unused now, though.

           break;
 
         case AnimationEvent::Finished:
           (*iter).second->NotifyAnimationFinished((*events)[event_index],
-                                                  wall_clock_time.ToDoubleT());
+                                                  clock_time.ToWebKit());
           break;
 
         case AnimationEvent::Aborted: