Merged all PointerToId functions into TraceHelper::PointerToString.

third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.cc

Index: third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.cc
diff --git a/third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.cc b/third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.cc
index 5e5d7b7444be62146d1158e0bfb2fc3b3ae05459..568ba95e9a4f01385c715dd58c1b54dd2f2d3a38 100644
--- a/third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.cc
+++ b/third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.cc
@@ -6,14 +6,13 @@
 
 #include <utility>
 
-#include "base/format_macros.h"
 #include "base/memory/ptr_util.h"
-#include "base/strings/stringprintf.h"
 #include "base/time/time.h"
 #include "base/trace_event/blame_context.h"
 #include "platform/scheduler/base/task_queue_manager.h"
 #include "platform/scheduler/base/task_queue_manager_delegate.h"
 #include "platform/scheduler/base/time_domain.h"
+#include "platform/scheduler/base/trace_helper.h"
 #include "platform/scheduler/base/work_queue.h"
 
 namespace blink {
@@ -504,10 +503,7 @@ void TaskQueueImpl::AsValueInto(base::TimeTicks now,
   base::AutoLock immediate_incoming_queue_lock(immediate_incoming_queue_lock_);
   state->BeginDictionary();
   state->SetString("name", GetName());
-  state->SetString(
-      "task_queue_id",
-      base::StringPrintf("%" PRIx64, static_cast<uint64_t>(
-                                         reinterpret_cast<uintptr_t>(this))));
+  state->SetString("task_queue_id", TraceHelper::PointerToString(this, false));
   state->SetBoolean("enabled", IsQueueEnabled());
   state->SetString("time_domain_name",
                    main_thread_only().time_domain->GetName());