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 6d96d992ac5b336415a00cd600b226b847bb8e59..d836b4b27609099633bd3cabc36f157ec4d4f70b 100644
--- a/Source/platform/graphics/GraphicsContext.cpp
+++ b/Source/platform/graphics/GraphicsContext.cpp
@@ -1375,6 +1375,11 @@ 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())