Use ConstructFromLiteral instead of implicit conversion

Source/core/svg/graphics/SVGImage.cpp

Index: Source/core/svg/graphics/SVGImage.cpp
diff --git a/Source/core/svg/graphics/SVGImage.cpp b/Source/core/svg/graphics/SVGImage.cpp
index ab54b36ae8eff618fe1d5dd794007967ddf6a5a4..beb4e0faacc625165695bec147c99fa4e0625cad 100644
--- a/Source/core/svg/graphics/SVGImage.cpp
+++ b/Source/core/svg/graphics/SVGImage.cpp
@@ -426,7 +426,8 @@ bool SVGImage::dataChanged(bool allDataReceived)
         m_page = page.release();
 
         TRACE_EVENT0("blink", "SVGImage::dataChanged::load");
-        loader.load(FrameLoadRequest(0, blankURL(), SubstituteData(data(), "image/svg+xml", "UTF-8", KURL(), ForceSynchronousLoad)));
+        loader.load(FrameLoadRequest(0, blankURL(), SubstituteData(data(), AtomicString("image/svg+xml", AtomicString::ConstructFromLiteral),
+            AtomicString("UTF-8", AtomicString::ConstructFromLiteral), KURL(), ForceSynchronousLoad)));
         // Set the intrinsic size before a container size is available.
         m_intrinsicSize = containerSize();
     }