Merged all PointerToId functions into TraceHelper::PointerToString.

third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.cc

Index: third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.cc
diff --git a/third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.cc b/third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.cc
index 500c89a5ab96c5d9bc8bfdef2f391d834e7d20f3..5101de0d7b1a58fb04f0ca3cfb4d8aa8a974433d 100644
--- a/third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.cc
+++ b/third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.cc
@@ -8,6 +8,7 @@
 #include "base/strings/stringprintf.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/WebFrameScheduler.h"
+#include "platform/scheduler/base/trace_helper.h"
 #include "platform/scheduler/base/virtual_time_domain.h"
 #include "platform/scheduler/child/scheduler_tqm_delegate.h"
 #include "platform/scheduler/renderer/auto_advancing_virtual_time_domain.h"
@@ -84,12 +85,6 @@ base::TimeDelta GetInitialBudget(
   return base::TimeDelta::FromSecondsD(initial_budget);
 }
 
-std::string PointerToId(void* pointer) {
-  return base::StringPrintf(
-      "0x%" PRIx64,
-      static_cast<uint64_t>(reinterpret_cast<uintptr_t>(pointer)));
-}
-
 }  // namespace
 
 WebViewSchedulerImpl::WebViewSchedulerImpl(
@@ -329,7 +324,8 @@ void WebViewSchedulerImpl::AsValueInto(
 
   state->BeginDictionary("frame_schedulers");
   for (WebFrameSchedulerImpl* frame_scheduler : frame_schedulers_) {
-    state->BeginDictionaryWithCopiedName(PointerToId(frame_scheduler));
+    state->BeginDictionaryWithCopiedName(
+        trace_helper::PointerToString(frame_scheduler));
     frame_scheduler->AsValueInto(state);
     state->EndDictionary();
   }