Only allow reprojecting shadows between ShadowRoots of the same type

LayoutTests/TestExpectations

 # See http://www.chromium.org/developers/testing/webkit-layout-tests/testexpectations for more information on this file.
 
 webkit.org/b/109400 [ Win ] http/tests/css/css-image-loading.html [ Pass Timeout ]
 
 # This test can't just be rebaselined because it has absolute file paths in the output.
 crbug.com/257132 http/tests/inspector/network/network-xhr-replay.html [ Failure ]
 
 crbug.com/247466 [ Win Debug ] inspector/debugger/live-edit-breakpoints.html [ Skip ]
 crbug.com/247466 [ Debug ] inspector/debugger/dom-breakpoints.html [ Skip ]
 crbug.com/247466 [ Debug ] inspector/debugger/xhr-breakpoints.html [ Skip ]
@@ skipping 633 matching lines @@
 
 webkit.org/b/86674 [ Debug ] fast/dom/HTMLObjectElement/beforeload-set-text-crash.xhtml [ Pass Timeout ]
 
 # Ref-tests can't have platform specific results.
 webkit.org/b/87175 [ Win Linux ] fast/regions/floats-basic-in-variable-width-regions.html [ ImageOnlyFailure ]
 webkit.org/b/87175 [ Win Linux ] fast/regions/overflow-in-uniform-regions.html [ ImageOnlyFailure ]
 
 # See http://crbug.com/244285 for the crash instance.
 webkit.org/b/87321 fast/history/history-subframe-with-name.html [ Failure Pass Timeout Crash ]
 
-# Shadow DOM for replaced elements is not rendered correctly yet.
-webkit.org/b/90860 fast/dom/shadow/shadowdom-for-object-complex-shadow.html [ ImageOnlyFailure ]
-webkit.org/b/90860 fast/dom/shadow/shadowdom-for-object-without-shadow.html [ ImageOnlyFailure ]
-webkit.org/b/91487 fast/dom/shadow/shadowdom-for-select-complex-shadow.html [ ImageOnlyFailure ]
-webkit.org/b/91487 fast/dom/shadow/shadowdom-for-select-without-shadow.html [ ImageOnlyFailure ]
-webkit.org/b/91488 fast/dom/shadow/shadowdom-for-output-only-shadow.html [ ImageOnlyFailure ]
-webkit.org/b/91489 fast/dom/shadow/shadowdom-for-fieldset-complex-shadow.html [ ImageOnlyFailure ]
-webkit.org/b/91489 fast/dom/shadow/shadowdom-for-fieldset-only-shadow.html [ ImageOnlyFailure ]
-
 # a:enabled and area:enabled are not correctly implemented yet.
 webkit.org/b/102349 fast/dom/shadow/pseudoclass-update-enabled-anchor.html [ ImageOnlyFailure ]
 webkit.org/b/102349 fast/dom/shadow/pseudoclass-update-enabled-area.html [ ImageOnlyFailure ]
 
 # Requires setUseDeferredFrameLoading() API from LayoutTestController.
 webkit.org/b/87652 http/tests/appcache/load-from-appcache-defer-resume-crash.html [ Skip ]
 
 webkit.org/b/88939 fast/events/before-unload-adopt-subframe-to-outside.html [ Failure Pass ]
 
 # The test has its own notion of timeouts that manifest timeouts as FAIL.
@@ skipping 32 matching lines @@
 webkit.org/b/94003 [ Win ] fast/css/word-spacing-characters-complex-text.html [ ImageOnlyFailure ]
 
 webkit.org/b/94017 [ Win ] css2.1/20110323/c541-word-sp-000.htm [ ImageOnlyFailure ]
 
 crbug.com/240374 compositing/overlap-blending/reflection-opacity-huge.html [ ImageOnlyFailure ]
 crbug.com/240374 virtual/softwarecompositing/overlap-blending/reflection-opacity-huge.html [ ImageOnlyFailure ]
 crbug.com/240374 compositing/overlap-blending/children-opacity-huge.html [ ImageOnlyFailure ]
 crbug.com/240374 compositing/overlap-blending/children-opacity-no-overlap.html [ ImageOnlyFailure ]
 crbug.com/240374 virtual/softwarecompositing/overlap-blending/preserves3d-opacity.html [ ImageOnlyFailure ]
 
-webkit.org/b/95588 [ Mac ] fast/dom/shadow/shadowdom-for-textarea-complex-shadow.html [ ImageOnlyFailure ]
-
 # Failing due to sub-pixel layout.
 webkit.org/b/95136 fast/css/sticky/sticky-left-percentage.html [ ImageOnlyFailure ]
 webkit.org/b/95136 [ Linux Win ] fast/css/sticky/sticky-writing-mode-vertical-lr.html [ ImageOnlyFailure ]
 webkit.org/b/95136 [ Linux Win ] fast/css/sticky/sticky-writing-mode-vertical-rl.html [ ImageOnlyFailure ]
 
 
 # Does not yet support new web notifications TestRunner API
 webkit.org/b/95506 http/tests/notifications [ Skip ]
 
 webkit.org/b/96441 [ Win Debug ] fast/hidpi/gradient-with-scaled-ancestor.html [ ImageOnlyFailure ]
@@ skipping 521 matching lines @@
 
 # Rebase once v8 i18n rolled.
 Bug(jochen) fast/js/kde/inbuilt_function_tostring.html [ Pass Failure ]
 
 # Temporary, cannot reproduce on local win.
 crbug.com/276861 [ Win ] fast/filesystem/op-restricted-unicode.html [ Failure Pass ]
 
 crbug.com/278318 [ Win7 Lion Debug Release SnowLeopard Debug Release Linux ] editing/spelling/spellcheck-editable-on-focus.html [ Failure Pass ]
 
 crbug.com/278318 [ Linux Debug Win ] http/tests/media/media-source/mediasource-play.html [ Timeout ]