Removing "using" declarations that import names in the C++ Standard library.(Source/platform/[m* - …

Source/platform/scroll/ScrollbarThemeOverlay.cpp

Index: Source/platform/scroll/ScrollbarThemeOverlay.cpp
diff --git a/Source/platform/scroll/ScrollbarThemeOverlay.cpp b/Source/platform/scroll/ScrollbarThemeOverlay.cpp
index 21b84e16ffa5b6384a8e5127121ea337165a1fc8..a8a9556d992fea9853b8a3c861fbfe6e48233192 100644
--- a/Source/platform/scroll/ScrollbarThemeOverlay.cpp
+++ b/Source/platform/scroll/ScrollbarThemeOverlay.cpp
@@ -36,8 +36,6 @@
 
 #include <algorithm>
 
-using namespace std;
-
 namespace blink {
 
 ScrollbarThemeOverlay::ScrollbarThemeOverlay(int thumbThickness, int scrollbarMargin, HitTestBehavior allowHitTest, Color color)
@@ -88,7 +86,7 @@ int ScrollbarThemeOverlay::thumbLength(ScrollbarThemeClient* scrollbar)
 
     float proportion = static_cast<float>(scrollbar->visibleSize()) / scrollbar->totalSize();
     int length = round(proportion * trackLen);
-    length = min(max(length, minimumThumbLength(scrollbar)), trackLen);
+    length = std::min(std::max(length, minimumThumbLength(scrollbar)), trackLen);
     return length;
 }