Move workers' Performance API code to core/timing

Source/core/timing/WorkerGlobalScopePerformance.cpp

Index: Source/core/timing/WorkerGlobalScopePerformance.cpp
diff --git a/Source/modules/performance/WorkerGlobalScopePerformance.cpp b/Source/core/timing/WorkerGlobalScopePerformance.cpp
similarity index 96%
rename from Source/modules/performance/WorkerGlobalScopePerformance.cpp
rename to Source/core/timing/WorkerGlobalScopePerformance.cpp
index c7caaeb34a75297b7eed8a7bcf2ecc242bbef056..c8a1bdb6dbd7f73727b1545edf905ec9f2b3ac84 100644
--- a/Source/modules/performance/WorkerGlobalScopePerformance.cpp
+++ b/Source/core/timing/WorkerGlobalScopePerformance.cpp
@@ -30,10 +30,10 @@
 
 #include "config.h"
 
-#include "modules/performance/WorkerGlobalScopePerformance.h"
+#include "core/timing/WorkerGlobalScopePerformance.h"
 
+#include "core/timing/WorkerPerformance.h"
 #include "core/workers/WorkerGlobalScope.h"
-#include "modules/performance/WorkerPerformance.h"
 
 namespace blink {