Merge 99485 - Source/WebCore: Create a separate setting for compositing of for scrollable [i]frames

Source/WebCore/testing/Internals.cpp

Index: Source/WebCore/testing/Internals.cpp
===================================================================
--- Source/WebCore/testing/Internals.cpp	(revision 99757)
+++ Source/WebCore/testing/Internals.cpp	(working copy)
@@ -248,6 +248,16 @@
     document->settings()->setForceCompositingMode(enabled);
 }
 
+void Internals::setEnableCompositingForScrollableFrames(Document* document, bool enabled, ExceptionCode& ec)
+{
+    if (!document || !document->settings()) {
+        ec = INVALID_ACCESS_ERR;
+        return;
+    }
+
+    document->settings()->setAcceleratedCompositingForScrollableFramesEnabled(enabled);
+}
+
 void Internals::setEnableScrollAnimator(Document* document, bool enabled, ExceptionCode& ec)
 {
     if (!document || !document->settings()) {