Revert 237848 "Use LatencyInfoSwapPromise to track LatencyInfo t..."

trunk/src/cc/trees/layer_tree_host.h

Index: trunk/src/cc/trees/layer_tree_host.h
===================================================================
--- trunk/src/cc/trees/layer_tree_host.h	(revision 237855)
+++ trunk/src/cc/trees/layer_tree_host.h	(working copy)
@@ -37,6 +37,7 @@
 #include "cc/trees/occlusion_tracker.h"
 #include "cc/trees/proxy.h"
 #include "third_party/skia/include/core/SkColor.h"
+#include "ui/events/latency_info.h"
 #include "ui/gfx/rect.h"
 
 namespace cc {
@@ -232,6 +233,7 @@
   void ApplyScrollAndScale(const ScrollAndScaleSet& info);
 
   void SetImplTransform(const gfx::Transform& transform);
+  void SetLatencyInfo(const ui::LatencyInfo& latency_info);
 
   // Virtual for tests.
   virtual void StartRateLimiter();
@@ -413,6 +415,8 @@
 
   bool in_paint_layer_contents_;
 
+  ui::LatencyInfo latency_info_;
+
   static const int kTotalFramesToUseForLCDTextMetrics = 50;
   int total_frames_used_for_lcd_text_metrics_;