Remove the last use of FrameLoadTypeReplace.

The suggestion next to that use (that we should try using lockBackForwardList instead) appears to work.

BUG=none

Review URL: https://chromiumcodereview.appspot.com/20059003

git-svn-id: svn://svn.chromium.org/blink/trunk@155019 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Auto-rebaseline for r154918

http://src.chromium.org/viewvc/blink?view=revision&revision=154918

BUG=263879
TBR=eae@chromium.org

Review URL: https://codereview.chromium.org/20489005

git-svn-id: svn://svn.chromium.org/blink/trunk@155020 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Add flaky expectation for inspector/debugger/debugger-script-preprocessor.html

BUG=264934
TBR=pfeldman

Review URL: https://codereview.chromium.org/20834002

git-svn-id: svn://svn.chromium.org/blink/trunk@155021 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Enable deferred image decoding for GIF images

A better benchmark measurement is in the tree this feature is safe to
turn on.

BUG=259783,169377,260052
TBR=senorblanco@chromium.org

Review URL: https://codereview.chromium.org/20829002

git-svn-id: svn://svn.chromium.org/blink/trunk@155022 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Revert "Fix form resubmissions happening silently."

This reverts commit 4c142fe7f51fbfdd20b8551f4759cabb48bbcb82.

This is suspected to have broken
NavigationHistoryTest.testNavigateBackToNoncacheableLoginPage on android.

TBR=abarth
BUG=

Review URL: https://codereview.chromium.org/20840002

git-svn-id: svn://svn.chromium.org/blink/trunk@155023 bbb929c8-8fbe-4397-9dbb-9b2b20218538