Add platform/geometry pretty printers for logging and testing

third_party/WebKit/Source/platform/testing/PaintPrinters.cpp

Index: third_party/WebKit/Source/platform/testing/PaintPrinters.cpp
diff --git a/third_party/WebKit/Source/platform/testing/PaintPrinters.cpp b/third_party/WebKit/Source/platform/testing/PaintPrinters.cpp
index 8cd0db3ff0ce751ac912a7db9e59b467b8929bcf..ef2a6d77f15559ed4da911d78e7cbe4452ea4acf 100644
--- a/third_party/WebKit/Source/platform/testing/PaintPrinters.cpp
+++ b/third_party/WebKit/Source/platform/testing/PaintPrinters.cpp
@@ -33,7 +33,7 @@ static void PrintPointer(const void* ptr, std::ostream& os)
 void PrintTo(const ClipPaintPropertyNode& node, std::ostream* os)
 {
     *os << "ClipPaintPropertyNode(clip=";
-    PrintTo(node.clipRect(), os);
+    *os << node.clipRect();
     *os << ", localTransformSpace=";
     PrintPointer(node.localTransformSpace(), *os);
     *os << ", parent=";
@@ -60,7 +60,7 @@ void PrintTo(const PaintChunk& chunk, std::ostream* os)
     *os << ", props=";
     PrintTo(chunk.properties, os);
     *os << ", bounds=";
-    PrintTo(chunk.bounds, os);
+    *os << chunk.bounds;
     *os << ", knownToBeOpaque=" << chunk.knownToBeOpaque << ")";
 }
 
@@ -102,7 +102,7 @@ void PrintTo(const TransformPaintPropertyNode& transformPaintProperty, std::ostr
     *os << "TransformPaintPropertyNode(matrix=";
     PrintTo(transformPaintProperty.matrix(), os);
     *os << ", origin=";
-    PrintTo(transformPaintProperty.origin(), os);
+    *os << transformPaintProperty.origin();
     *os << ")";
 }