Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.

Applying P3 due to low real world usage of FormatBlock command.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/95586fb9630d1e2cf0f32b209169cc4a7c9b1501

commit 95586fb9630d1e2cf0f32b209169cc4a7c9b1501
Author: tanvir.rizvi <tanvir.rizvi@samsung.com>
Date: Tue Feb 13 03:53:46 2018

Fix for crash in formatBlock command

FormatBlock command crashes when format block
tries to insert node at a disconnected position.

This CL does a safety check and does insertion
only if the nodes are connected.

Bug:  806525 
Change-Id: Ie3cc803cfa09bd6013f291d374d792d88d89e49c
Reviewed-on: https://chromium-review.googlesource.com/913189
Commit-Queue: Yoshifumi Inoue <yosin@chromium.org>
Reviewed-by: Xiaocheng Hu <xiaochengh@chromium.org>
Reviewed-by: Yoshifumi Inoue <yosin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#536253}
[modify] https://crrev.com/95586fb9630d1e2cf0f32b209169cc4a7c9b1501/third_party/WebKit/Source/core/editing/commands/ApplyBlockElementCommandTest.cpp
[modify] https://crrev.com/95586fb9630d1e2cf0f32b209169cc4a7c9b1501/third_party/WebKit/Source/core/editing/commands/FormatBlockCommand.cpp

ClusterFuzz has detected this issue as fixed in range 536251:536255.

Detailed report: https://clusterfuzz.com/testcase?key=4859500866830336

Fuzzer: ochang_domfuzzer
Job Type: linux_asan_chrome_v8_arm
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x00000008
Crash State:
  blink::Node* blink::NodeTraversal::ChildAtTemplate<blink::Node const>
  blink::PositionIteratorAlgorithm<blink::EditingAlgorithm<blink::NodeTraversal> >
  blink::PositionIteratorAlgorithm<blink::EditingAlgorithm<blink::NodeTraversal> >
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_v8_arm&range=488849:488980
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_v8_arm&range=536251:536255

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4859500866830336

See https://github.com/google/clusterfuzz-tools for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.

ClusterFuzz testcase 4859500866830336 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.