Mechanical rename of base::debug -> base::trace_event for /content

content/child/child_thread_impl.h

Index: content/child/child_thread_impl.h
diff --git a/content/child/child_thread_impl.h b/content/child/child_thread_impl.h
index 6f1727afedfae9e93898be931c791d994c0d190f..4016861820ae15b4ca009ca52a801256fe642471 100644
--- a/content/child/child_thread_impl.h
+++ b/content/child/child_thread_impl.h
@@ -25,12 +25,6 @@ class MessageLoop;
 namespace trace_event {
 class TraceMemoryController;
 }  // namespace trace_event
-
-// TODO(ssid): remove these aliases after the tracing clients are moved to the
-// new trace_event namespace. See crbug.com/451032. ETA: March 2015
-namespace debug {
-using ::base::trace_event::TraceMemoryController;
-}  // namespace debug
 }  // namespace base
 
 namespace IPC {
@@ -295,7 +289,7 @@ class CONTENT_EXPORT ChildThreadImpl
 
   // Observes the trace event system. When tracing is enabled, optionally
   // starts profiling the tcmalloc heap.
-  scoped_ptr<base::debug::TraceMemoryController> trace_memory_controller_;
+  scoped_ptr<base::trace_event::TraceMemoryController> trace_memory_controller_;
 
   scoped_ptr<base::PowerMonitor> power_monitor_;