Remove sampling trace events from the binding layer

third_party/WebKit/Source/bindings/templates/methods.cpp

Index: third_party/WebKit/Source/bindings/templates/methods.cpp
diff --git a/third_party/WebKit/Source/bindings/templates/methods.cpp b/third_party/WebKit/Source/bindings/templates/methods.cpp
index ae4d90c6542317c80681702d1dd93acf47119958..9635de42385b087423694a017f971945ad118099 100644
--- a/third_party/WebKit/Source/bindings/templates/methods.cpp
+++ b/third_party/WebKit/Source/bindings/templates/methods.cpp
@@ -499,7 +499,6 @@ void postMessageImpl(const char* interfaceName, {{cpp_class}}* instance, const v
 {% macro method_callback(method, world_suffix) %}
 static void {{method.name}}MethodCallback{{world_suffix}}(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
     {% if not method.overloads %}{# Overloaded methods are measured in overload_resolution_method() #}
     {% if method.measure_as %}
     UseCounter::countIfNotPrivateScript(info.GetIsolate(), currentExecutionContext(info.GetIsolate()), UseCounter::{{method.measure_as('Method')}});
@@ -531,7 +530,6 @@ static void {{method.name}}MethodCallback{{world_suffix}}(const v8::FunctionCall
     {% else %}
     {{cpp_class_or_partial}}V8Internal::{{method.name}}Method{{world_suffix}}(info);
     {% endif %}
-    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 {% endmacro %}
 
@@ -573,9 +571,7 @@ static void {{method.name}}OriginSafeMethodGetter{{world_suffix}}(const v8::Prop
 
 static void {{method.name}}OriginSafeMethodGetterCallback{{world_suffix}}(v8::Local<v8::Name>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     {{cpp_class}}V8Internal::{{method.name}}OriginSafeMethodGetter{{world_suffix}}(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 {% endmacro %}