Move property tree debugging code to platform/graphics/paint/.

third_party/WebKit/Source/platform/graphics/paint/ScrollPaintPropertyNode.cpp

Index: third_party/WebKit/Source/platform/graphics/paint/ScrollPaintPropertyNode.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/paint/ScrollPaintPropertyNode.cpp b/third_party/WebKit/Source/platform/graphics/paint/ScrollPaintPropertyNode.cpp
index f9b87e54f16540fc3598fa1179526c2f265f9e09..e397bc43eec465042a9cde5038c76888e61574b5 100644
--- a/third_party/WebKit/Source/platform/graphics/paint/ScrollPaintPropertyNode.cpp
+++ b/third_party/WebKit/Source/platform/graphics/paint/ScrollPaintPropertyNode.cpp
@@ -4,6 +4,8 @@
 
 #include "platform/graphics/paint/ScrollPaintPropertyNode.h"
 
+#include "platform/graphics/paint/PropertyTreeState.h"
+
 namespace blink {
 
 ScrollPaintPropertyNode* ScrollPaintPropertyNode::root() {
@@ -31,4 +33,13 @@ String ScrollPaintPropertyNode::toString() const {
       mainThreadScrollingReasonsAsText.c_str());
 }
 
+#if DCHECK_IS_ON()
+
+String ScrollPaintPropertyNode::treeAsString() const {

[wkorman, 2017/01/17 19:19:58]

nit: toTreeString() and toPathString() seem more in line with naming patterns
but I don't feel strongly. Here's a Perl one-liner if it makes a difference:

% find ./platform/graphics/paint -type f | xargs perl -p -i -e
's/treeAsString/toTreeString/g'

:)

[chrishtr, 2017/01/17 22:06:46]

Done. Script worked well!

+  return blink::PropertyTreeStatePrinter<blink::ScrollPaintPropertyNode>()
+      .pathAsString(this);
+}
+
+#endif
+
 }  // namespace blink