Use clampTo instead of chaining std::max(std::min(...))

third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 39 matching lines @@
 #include "public/platform/WebCompositorSupport.h"
 #include "public/platform/WebFilterOperations.h"
 #include "public/platform/WebFloatPoint.h"
 #include "public/platform/WebFloatRect.h"
 #include "public/platform/WebLayer.h"
 #include "public/platform/WebPoint.h"
 #include "public/platform/WebSize.h"
 #include "wtf/CurrentTime.h"
 #include "wtf/HashMap.h"
 #include "wtf/HashSet.h"
+#include "wtf/MathExtras.h"
 #include "wtf/text/StringUTF8Adaptor.h"
 #include "wtf/text/WTFString.h"
 #include <algorithm>
+#include <cmath>
+#include <utility>
 
 #ifndef NDEBUG
 #include <stdio.h>
 #endif
 
 namespace blink {
 
 static bool s_drawDebugRedFill = true;
 
 // TODO(wangxianzhu): Remove this when we no longer invalidate rects.
@@ skipping 907 matching lines @@
 }
 
 void GraphicsLayer::setBackfaceVisibility(bool visible)
 {
     m_backfaceVisibility = visible;
     platformLayer()->setDoubleSided(m_backfaceVisibility);
 }
 
 void GraphicsLayer::setOpacity(float opacity)
 {
-    float clampedOpacity = std::max(std::min(opacity, 1.0f), 0.0f);
+    float clampedOpacity = clampTo(opacity, 0.0f, 1.0f);
     m_opacity = clampedOpacity;
     platformLayer()->setOpacity(opacity);
 }
 
 void GraphicsLayer::setBlendMode(WebBlendMode blendMode)
 {
     if (m_blendMode == blendMode)
         return;
     m_blendMode = blendMode;
     platformLayer()->setBlendMode(blendMode);
@@ skipping 249 matching lines @@
 {
     if (!layer) {
         fprintf(stderr, "Cannot showGraphicsLayerTree for (nil).\n");
         return;
     }
 
     String output = layer->layerTreeAsText(blink::LayerTreeIncludesDebugInfo);
     fprintf(stderr, "%s\n", output.utf8().data());
 }
 #endif