Add internals.textAffinity

third_party/WebKit/Source/core/testing/Internals.cpp

Index: third_party/WebKit/Source/core/testing/Internals.cpp
diff --git a/third_party/WebKit/Source/core/testing/Internals.cpp b/third_party/WebKit/Source/core/testing/Internals.cpp
index dc9440c2e30d3484e279a8c4a977016f5c3e3e2e..3283e38a36bb6ae7a3d941408e493a513613650d 100644
--- a/third_party/WebKit/Source/core/testing/Internals.cpp
+++ b/third_party/WebKit/Source/core/testing/Internals.cpp
@@ -913,6 +913,18 @@ ClientRect* Internals::absoluteCaretBounds(ExceptionState& exceptionState) {
   return ClientRect::create(frame()->selection().absoluteCaretBounds());
 }
 
+String Internals::textAffinity() {
+  if (frame()
+          ->page()
+          ->focusController()
+          .focusedFrame()
+          ->selection()
+          .affinity() == TextAffinity::Upstream) {

[yosin_UTC9, 2017/02/21 02:21:13]

Could you write as:
->selection().selectionInDOMTree().affinity()?

We're going to get rid of FrameSelection::affinity() for simplify
FrameSelection.
Since there are only two call sites (+1 for this patch), we don't need to have
this exposed by FrameSelection.

[yoichio, 2017/02/21 04:38:22]

Done.

+    return "Upstream";
+  }
+  return "Downstream";
+}
+
 ClientRect* Internals::boundingBox(Element* element) {
   DCHECK(element);