Rebaseline plugins/webview-plugin-lifecycle.html to verify flakiness status

The test is marked as failing, but the baseline right now is clearly wrong,
so maybe it's actually passing. TestExpectations may need to be re-added if
it turns out to still be flakey.

TBR=chrishtr@chromium.org
BUG=526594

Review-Url: https://codereview.chromium.org/2178553002
Cr-Commit-Position: refs/heads/master@{#407229}

third_party/WebKit/LayoutTests/TestExpectations

@@ -143,8 +143,6 @@ crbug.com/518992 [ Win Release ] imported/wpt/user-timing/test_user_timing_measu
 crbug.com/567965 [ Debug ] imported/wpt/user-timing/test_user_timing_mark.html [ Skip ]
 crbug.com/518993 imported/wpt/user-timing/test_user_timing_measure_navigation_timing.html [ Skip ]
 
-crbug.com/526594 [ Win ] plugins/webview-plugin-lifecycle.html [ Failure ]
-
 crbug.com/519001 storage/indexeddb/pending-version-change-stuck-works-with-terminate.html [ Pass Timeout ]
 crbug.com/519002 storage/indexeddb/pending-version-change-stuck.html [ Pass Timeout ]
 crbug.com/410949 http/tests/security/local-image-from-remote-whitelisted.html [ Failure Pass ]
@@ -1356,6 +1354,8 @@ crbug.com/627798 fast/repaint/repaint-during-scroll-with-zoom.html [ Pass Failur
 crbug.com/627798 fast/repaint/resize-scrollable-iframe.html [ Pass Failure ]
 crbug.com/627798 fast/repaint/text-match-document-change.html [ Pass Failure ]
 
+crbug.com/526594 [ Win ] plugins/webview-plugin-lifecycle.html [ NeedsRebaseline ]
+
 # Very slight rendering changes caused by Skia rect clipping change.
 crbug.com/627844 virtual/gpu-rasterization/fast/images/color-profile-background-image-space.html [ NeedsManualRebaseline ]
 crbug.com/627844 virtual/gpu-rasterization/fast/images/png-with-color-profile.html [ NeedsManualRebaseline ]