Update from https://crrev.com/316786

cc/debug/traced_picture.cc

Index: cc/debug/traced_picture.cc
diff --git a/cc/debug/traced_picture.cc b/cc/debug/traced_picture.cc
index 2db549234d8e824933d426fd657d5a7002fa193b..2c7622b66d5fb98405437f58bb6d817fb66d0ca2 100644
--- a/cc/debug/traced_picture.cc
+++ b/cc/debug/traced_picture.cc
@@ -16,17 +16,17 @@ TracedPicture::TracedPicture(scoped_refptr<const Picture> picture)
 TracedPicture::~TracedPicture() {
 }
 
-scoped_refptr<base::debug::ConvertableToTraceFormat>
+scoped_refptr<base::trace_event::ConvertableToTraceFormat>
 TracedPicture::AsTraceablePicture(const Picture* picture) {
-  return scoped_refptr<base::debug::ConvertableToTraceFormat>(
+  return scoped_refptr<base::trace_event::ConvertableToTraceFormat>(
       new TracedPicture(picture));
 }
 
-scoped_refptr<base::debug::ConvertableToTraceFormat>
+scoped_refptr<base::trace_event::ConvertableToTraceFormat>
 TracedPicture::AsTraceablePictureAlias(const Picture* original) {
   scoped_refptr<TracedPicture> ptr = new TracedPicture(original);
   ptr->is_alias_ = true;
-  return scoped_refptr<base::debug::ConvertableToTraceFormat>(ptr);
+  return scoped_refptr<base::trace_event::ConvertableToTraceFormat>(ptr);
 }
 
 void TracedPicture::AppendAsTraceFormat(std::string* out) const {