Offset-only GlyphBuffer

LayoutTests/TestExpectations

Index: LayoutTests/TestExpectations
diff --git a/LayoutTests/TestExpectations b/LayoutTests/TestExpectations
index 3e8ca462b1122b62951d7dd45320b84fa4dc3765..148e41d85289e8145b0c5c187ff7444bf6a77ec6 100644
--- a/LayoutTests/TestExpectations
+++ b/LayoutTests/TestExpectations
@@ -1068,6 +1068,15 @@ crbug.com/381730 http/tests/navigation/pending-location-change-assert.html [ Pas
 crbug.com/381464 fast/dom/Window/Location/window-shadow-location-using-string.html [ Pass Failure ]
 crbug.com/381464 fast/dom/Window/Location/window-shadow-location-using-js-object-with-toString.html [ Pass Failure ]
 
+crbug.com/377845 css1/box_properties/float_on_text_elements.html [ NeedsRebaseline ]
+crbug.com/377845 css2.1/t0905-c5525-fltwidth-00-c-g.html [ NeedsRebaseline ]
+crbug.com/377845 tables/mozilla/marvin/x_tr_align_justify.xml [ NeedsRebaseline ]
+crbug.com/377845 fast/text/basic/generic-family-reset.html [ NeedsRebaseline ]
+crbug.com/377845 virtual/antialiasedtext/fast/text/basic/generic-family-reset.html [ NeedsRebaseline ]
+crbug.com/377845 fast/text/justify-ideograph-vertical.html [ NeedsRebaseline ]
+crbug.com/377845 virtual/antialiasedtext/fast/text/justify-ideograph-vertical.html [ NeedsRebaseline ]
+crbug.com/377845 virtual/textblob/fast/text/justify-ideograph-vertical.html [ NeedsRebaseline ]
+
 crbug.com/377476 fast/js/function-name.html [ NeedsManualRebaseline ]
 crbug.com/377476 fast/js/getOwnPropertyDescriptor.html [ NeedsManualRebaseline ]
 crbug.com/377476 fast/js/mozilla/strict/function-name-arity.html [ NeedsManualRebaseline ]