Based on the issue "629017"

@caryclark: Could you please have a look into this issue.

Thank you.

The following revision refers to this bug:
  https://skia.googlesource.com/skia.git/+/e25a4f6cbeaccfdc34cf031103f0fbc3e53a3ee5

commit e25a4f6cbeaccfdc34cf031103f0fbc3e53a3ee5
Author: caryclark <caryclark@google.com>
Date: Tue Jul 26 16:26:29 2016

fix fuzz bugs

Add ability for intersection template to detect that
the test contains bounded numbers so that extra
asserts can trigger.

Add some exit points for out of range numbers
in those templates.

TBR=reed@google.com
BUG= 631383 , 631374 , 631360 
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2185703002

Review-Url: https://codereview.chromium.org/2185703002

[modify] https://crrev.com/e25a4f6cbeaccfdc34cf031103f0fbc3e53a3ee5/src/pathops/SkOpCoincidence.cpp
[modify] https://crrev.com/e25a4f6cbeaccfdc34cf031103f0fbc3e53a3ee5/src/pathops/SkPathOpsTSect.cpp
[modify] https://crrev.com/e25a4f6cbeaccfdc34cf031103f0fbc3e53a3ee5/src/pathops/SkPathOpsTSect.h
[modify] https://crrev.com/e25a4f6cbeaccfdc34cf031103f0fbc3e53a3ee5/src/pathops/SkPathOpsTypes.h
[modify] https://crrev.com/e25a4f6cbeaccfdc34cf031103f0fbc3e53a3ee5/tests/PathOpsDebug.cpp
[modify] https://crrev.com/e25a4f6cbeaccfdc34cf031103f0fbc3e53a3ee5/tests/PathOpsOpTest.cpp

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/47ff12b380da241f7b42b6a83f212b4871320219

commit 47ff12b380da241f7b42b6a83f212b4871320219
Author: skia-deps-roller <skia-deps-roller@chromium.org>
Date: Tue Jul 26 19:25:03 2016

Roll src/third_party/skia/ 26318c984..e25a4f6cb (2 commits).

https://chromium.googlesource.com/skia.git/+log/26318c984ffd..e25a4f6cbeac

$ git log 26318c984..e25a4f6cb --date=short --no-merges --format='%ad %ae %s'
2016-07-26 caryclark fix fuzz bugs
2016-07-26 bsalomon Don't unnecessarily resize windows in sk_app on X GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2182163002

BUG= 631383 , 631374 , 631360 

TBR=tomhudson@google.com

Review-Url: https://codereview.chromium.org/2188443002
Cr-Commit-Position: refs/heads/master@{#407876}

[modify] https://crrev.com/47ff12b380da241f7b42b6a83f212b4871320219/DEPS

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4782006617767936

Fuzzer: libfuzzer_skia_pathop_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000078
Crash State:
  removeAllBounded
  updateBounded
  SkTSect<SkDConic, SkDConic>::extractCoincident
  

Minimized Testcase (0.48 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97Uqq3fin5KnovPJeuR8vOSZZkEQ3ThZV9rRq-6FSueMIxy62zYza3TcQ0rpxCPCnzXGpK8I0wHT1NP6ZpdG6Z9CwNqnrwh8RKyfvQK3K3BSeAYL9C9OU5YfT0_5Y6a1NKC79JsnLlyObfJWHMKVQMvoK6_AQ?testcase_id=4782006617767936

Filer: rnimmagadda

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.

ClusterFuzz has detected this issue as fixed in range 407873:408034.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5771255227875328

Fuzzer: libfuzzer_skia_pathop_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000080
Crash State:
  removeAllBounded
  updateBounded
  SkTSect<SkDCubic, SkDCubic>::extractCoincident
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=405990:406128
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=407873:408034

Minimized Testcase (0.05 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94BduXdLMykZG-DrxIBIIcFAVPpsGg03CjrEbvwIgroShadmi9M2LPQp2-TIKujICO15NJLaNazKbEinRiHa2o9PJ2S0ZcUnseaYkfJuv5_4lxcOMPmfMERPIOlzvJXtEdnhXBOqC6AE_r6zC9beqnMztOQEg?testcase_id=5771255227875328

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.

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

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