Improve performance to remove OPTIONs from a single-selection SELECT.

third_party/WebKit/Source/core/inspector/InspectorTraceEvents.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/inspector/InspectorTraceEvents.h"
 
 #include "bindings/core/v8/ScriptSourceCode.h"
 #include "bindings/core/v8/SourceLocation.h"
 #include "core/animation/Animation.h"
 #include "core/animation/KeyframeEffect.h"
@@ skipping 353 matching lines @@
 const char ImageChanged[] = "Image changed";
 const char LineBoxesChanged[] = "Line boxes changed";
 const char SliderValueChanged[] = "Slider value changed";
 const char AncestorMarginCollapsing[] = "Ancestor margin collapsing";
 const char FieldsetChanged[] = "Fieldset changed";
 const char TextAutosizing[] = "Text autosizing (font boosting)";
 const char SvgResourceInvalidated[] = "SVG resource invalidated";
 const char FloatDescendantChanged[] = "Floating descendant changed";
 const char CountersChanged[] = "Counters changed";
 const char GridChanged[] = "Grid changed";
-const char MenuHeightChanged[] = "Menu height changed";
-const char MenuWidthChanged[] = "Menu width changed";
+const char MenuOptionsChanged[] = "Menu options changed";
 const char RemovedFromLayout[] = "Removed from layout";
 const char AddedToLayout[] = "Added to layout";
 const char TableChanged[] = "Table changed";
 const char PaddingChanged[] = "Padding changed";
 const char TextControlChanged[] = "Text control changed";
 const char SvgChanged[] = "SVG changed";
 const char ScrollbarChanged[] = "Scrollbar changed";
 } // namespace LayoutInvalidationReason
 
 std::unique_ptr<TracedValue> InspectorLayoutInvalidationTrackingEvent::data(const LayoutObject* layoutObject, LayoutInvalidationReasonForTracing reason)
@@ skipping 485 matching lines @@
     if (request.move())
         value->setBoolean("move", true);
     if (request.listBased())
         value->setBoolean("listBased", true);
     else if (Node* node = result.innerNode())
         setNodeInfo(value.get(), node, "nodeId", "nodeName");
     return value;
 }
 
 } // namespace blink