Make event names of TRACE_EVENT_SAMPLING_STATE macros more descriptive

Source/bindings/templates/methods.cpp

Index: Source/bindings/templates/methods.cpp
diff --git a/Source/bindings/templates/methods.cpp b/Source/bindings/templates/methods.cpp
index 337593cf282b727850f690f87723e452c094177e..6e2ed30d6b0ab7a3026cb6010a572af1c25ddf53 100644
--- a/Source/bindings/templates/methods.cpp
+++ b/Source/bindings/templates/methods.cpp
@@ -260,7 +260,7 @@ static void {{method.name}}MethodCallback{{world_suffix}}(const v8::FunctionCall
     {% else %}
     {{cpp_class}}V8Internal::{{method.name}}Method{{world_suffix}}(info);
     {% endif %}
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 {% endfilter %}
 {% endmacro %}
@@ -306,7 +306,7 @@ static void {{method.name}}OriginSafeMethodGetterCallback{{world_suffix}}(v8::Lo
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     {{cpp_class}}V8Internal::{{method.name}}OriginSafeMethodGetter{{world_suffix}}(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 {% endmacro %}