Put back this test code for one run so I can get data from Tp/Tp2

layout/generic/nsHTMLFrame.cpp

@@ -612,6 +612,14 @@ CanvasFrame::Reflow(nsPresContext*          aPresContext,
     FinishAndStoreOverflow(&aDesiredSize);
   }
 
+  if (mContent && mContent->GetOwnerDoc() && mContent->GetOwnerDoc()->GetDocumentURI()) {
+    nsCAutoString uri;
+    mContent->GetOwnerDoc()->GetDocumentURI()->GetSpec(uri);
+    printf("Finished canvas reflow for %s:\n"
+           "Height: %d, overflow height: %d\n",
+           uri.get(), aDesiredSize.height, aDesiredSize.mOverflowArea.height);
+  }
+
   NS_FRAME_TRACE_REFLOW_OUT("CanvasFrame::Reflow", aStatus);
   NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aDesiredSize);
   return NS_OK;