Switch from PrintTo to operator<< for platform printers

third_party/WebKit/Source/platform/geometry/FloatBox.cpp

Index: third_party/WebKit/Source/platform/geometry/FloatBox.cpp
diff --git a/third_party/WebKit/Source/platform/geometry/FloatBox.cpp b/third_party/WebKit/Source/platform/geometry/FloatBox.cpp
index 082ffb6619205a115b2a8e44a64c43a4d99b15a7..01682991bc43a41fb6d006d6015d1e14ac7277e6 100644
--- a/third_party/WebKit/Source/platform/geometry/FloatBox.cpp
+++ b/third_party/WebKit/Source/platform/geometry/FloatBox.cpp
@@ -13,4 +13,9 @@ String FloatBox::toString() const
     return String::format("%lg,%lg,%lg %lgx%lgx%lg", x(), y(), z(), width(), height(), depth());
 }
 
+std::ostream& operator<<(std::ostream& ostream, const FloatBox& box)
+{
+    return ostream << box.toString();
+}
+
 } // namespace blink