Switch from PrintTo to operator<< for platform printers

third_party/WebKit/Source/platform/transforms/TransformationMatrix.cpp

Index: third_party/WebKit/Source/platform/transforms/TransformationMatrix.cpp
diff --git a/third_party/WebKit/Source/platform/transforms/TransformationMatrix.cpp b/third_party/WebKit/Source/platform/transforms/TransformationMatrix.cpp
index db6e57b987a5ecb0d875a9cf3a461e129efcdad7..e745160766c62051c9f323e685056a132818d6b4 100644
--- a/third_party/WebKit/Source/platform/transforms/TransformationMatrix.cpp
+++ b/third_party/WebKit/Source/platform/transforms/TransformationMatrix.cpp
@@ -1628,4 +1628,9 @@ String TransformationMatrix::toString(bool asMatrix) const
         decomposition.perspectiveX, decomposition.perspectiveY, decomposition.perspectiveZ, decomposition.perspectiveW);
 }
 
+std::ostream& operator<<(std::ostream& ostream, const TransformationMatrix& matrix)
+{
+    return ostream << matrix.toString();
+}
+
 } // namespace blink