globalCompositeOperation is ignored in stroke, strokeRect.

Source/platform/graphics/GraphicsContext.cpp

Index: Source/platform/graphics/GraphicsContext.cpp
diff --git a/Source/platform/graphics/GraphicsContext.cpp b/Source/platform/graphics/GraphicsContext.cpp
index 2114dca1b8b077fe8cb88eed961492427d1eeae1..7cc83d3bb9e4d764d447f01daa0f27f8244832fb 100644
--- a/Source/platform/graphics/GraphicsContext.cpp
+++ b/Source/platform/graphics/GraphicsContext.cpp
@@ -1347,6 +1347,11 @@ void GraphicsContext::strokePath(const Path& pathToStroke)
     drawPath(path, immutableState()->strokePaint());
 }
 
+void GraphicsContext::strokeRect(const FloatRect& rect)
+{
+    strokeRect(rect, strokeThickness());
+}
+
 void GraphicsContext::strokeRect(const FloatRect& rect, float lineWidth)
 {
     if (paintingDisabled())