Move traced_value.* from cc/debug/ to base/debug/

cc/trees/layer_tree_impl.cc

Index: cc/trees/layer_tree_impl.cc
diff --git a/cc/trees/layer_tree_impl.cc b/cc/trees/layer_tree_impl.cc
index 465c9cc1df69dafe34245a917bc45014a5835255..ce609a8468ffefa2cd111e4c4fdf4e9e88fa6079 100644
--- a/cc/trees/layer_tree_impl.cc
+++ b/cc/trees/layer_tree_impl.cc
@@ -5,13 +5,13 @@
 #include "cc/trees/layer_tree_impl.h"
 
 #include "base/debug/trace_event.h"
+#include "base/debug/traced_value.h"
 #include "cc/animation/keyframed_animation_curve.h"
 #include "cc/animation/scrollbar_animation_controller.h"
 #include "cc/animation/scrollbar_animation_controller_linear_fade.h"
 #include "cc/animation/scrollbar_animation_controller_thinning.h"
 #include "cc/base/math_util.h"
 #include "cc/base/util.h"
-#include "cc/debug/traced_value.h"
 #include "cc/layers/heads_up_display_layer_impl.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/layer_iterator.h"
@@ -754,7 +754,7 @@ AnimationRegistrar* LayerTreeImpl::animationRegistrar() const {
 
 scoped_ptr<base::Value> LayerTreeImpl::AsValue() const {
   scoped_ptr<base::DictionaryValue> state(new base::DictionaryValue());
-  TracedValue::MakeDictIntoImplicitSnapshot(
+  base::debug::TracedValue::MakeDictIntoImplicitSnapshot(
       state.get(), "cc::LayerTreeImpl", this);
 
   state->Set("root_layer", root_layer_->AsValue().release());
@@ -766,7 +766,8 @@ scoped_ptr<base::Value> LayerTreeImpl::AsValue() const {
            &render_surface_layer_list_); it != end; ++it) {
     if (!it.represents_itself())
       continue;
-    render_surface_layer_list->Append(TracedValue::CreateIDRef(*it).release());
+    render_surface_layer_list->Append(
+        base::debug::TracedValue::CreateIDRef(*it).release());
   }
 
   state->Set("render_surface_layer_list",