Move cc/debug/latency_info to ui/base.

This structure would be useful in ui/surface, which can't depend on cc/.

BUG=

Review URL: https://chromiumcodereview.appspot.com/14999012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@202772 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/cc/trees/layer_tree_impl.cc b/cc/trees/layer_tree_impl.cc
index e8d9dc2..e5705ca 100644
--- a/cc/trees/layer_tree_impl.cc
+++ b/cc/trees/layer_tree_impl.cc
@@ -554,11 +554,11 @@
       scrollable_viewport_size - original_viewport_size);
 }
 
-void LayerTreeImpl::SetLatencyInfo(const LatencyInfo& latency_info) {
+void LayerTreeImpl::SetLatencyInfo(const ui::LatencyInfo& latency_info) {
   latency_info_.MergeWith(latency_info);
 }
 
-const LatencyInfo& LayerTreeImpl::GetLatencyInfo() {
+const ui::LatencyInfo& LayerTreeImpl::GetLatencyInfo() {
   return latency_info_;
 }