Disabling the test: https://chromium-review.googlesource.com/c/chromium/src/+/1338321

alph@ could you please take a look?

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/90cad79a1440d807873d1cba6aa376e079003f4b

commit 90cad79a1440d807873d1cba6aa376e079003f4b
Author: Ella Ge <eirage@chromium.org>
Date: Thu Nov 15 20:17:25 2018

disable flaky layouttest sampling-native-profile-partition-alloc.js

TBR=alph@chromium.org

Bug: 905772
Change-Id: Ide0a5695213b14266e154dab9bbf0103f86713b8
Reviewed-on: https://chromium-review.googlesource.com/c/1338321
Reviewed-by: Ella Ge <eirage@chromium.org>
Commit-Queue: Ella Ge <eirage@chromium.org>
Cr-Commit-Position: refs/heads/master@{#608487}
[modify] https://crrev.com/90cad79a1440d807873d1cba6aa376e079003f4b/third_party/WebKit/LayoutTests/TestExpectations

Failed build is https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Linux%20Tests/73794

The expectation diff is:

--- /b/s/w/ioa3q_bE/layout-test-results/retry_3/virtual/sampling-heap-profiler/inspector-protocol/memory/sampling-native-profile-partition-alloc-expected.txt
+++ /b/s/w/ioa3q_bE/layout-test-results/retry_3/virtual/sampling-heap-profiler/inspector-protocol/memory/sampling-native-profile-partition-alloc-actual.txt
@@ -1,5 +1,61 @@
 Test sampling native memory profiler (PartitionAlloc hook).
 Sampling started
 Sampling stopped
-Found sample: true
+Found sample: false
+{
+    modules : [
+    ]
+    samples : [
+        [0] : {
+            size : 8192
+            stack : [
+                [0] : 0x558d8da7164f namespace)::AllocZeroInitializedFn()
+                [1] : 0x558d8dade080 calloc
+                [2] : 0x558d8ccffde8 v8::internal::MemoryChunk::Initialize()
+                [3] : 0x558d8ccfda44 v8::internal::MemoryAllocator::AllocateChunk()
+                [4] : 0x558d8cd0213e v8::internal::PagedSpace::Expand()
+                [5] : 0x558d8cd053c5 v8::internal::PagedSpace::RawSlowRefillLinearAllocationArea()
+                [6] : 0x558d8cd05249 v8::internal::PagedSpace::SlowRefillLinearAllocationArea()
+                [7] : 0x558d8cc9455a v8::internal::PagedSpace::AllocateRaw()
+                [8] : 0x558d8cc81af3 v8::internal::Heap::AllocateRaw()
+                [9] : 0x558d8cca9b2c v8::internal::Heap::AllocateRawWithLightRetry()
+                [10] : 0x558d8cca9baf v8::internal::Heap::AllocateRawWithRetryOrFail()
+                [11] : 0x558d8cc827a7 v8::internal::Factory::NewRawOneByteString()
+                [12] : 0x558d8cc91afa v8::internal::Factory::NumberToStringCacheSet()
+                [13] : 0x558d8cc920e4 v8::internal::Factory::NumberToString()
+                [14] : 0x558d8cc91f61 v8::internal::Factory::NumberToString()
+                [15] : 0x558d8cd9c588 v8::internal::Object::ConvertToString()
+                [16] : 0x558d8c9879c6 v8::Value::ToString()
+                [17] : 0x558d8d0a2e4c namespace)::toProtocolValue()
+                [18] : 0x558d8d0a2588 namespace)::ObjectMirror::buildRemoteObject()
+                [19] : 0x558d8d062ab0 v8_inspector::InjectedScript::wrapObject()
+                [20] : 0x558d8d064e01 v8_inspector::InjectedScript::wrapEvaluateResult()
+                [21] : 0x558d8d096340 v8_inspector::V8RuntimeAgentImpl::evaluate()
+                [22] : 0x558d8d05a156 v8_inspector::protocol::Runtime::DispatcherImpl::evaluate()
+                [23] : 0x558d8d041214 v8_inspector::protocol::Console::DispatcherImpl::dispatch()
+                [24] : 0x558d8d03bb27 v8_inspector::protocol::UberDispatcher::dispatch()
+                [25] : 0x558d8d091533 v8_inspector::V8InspectorSessionImpl::dispatchProtocolMessage()
+                [26] : 0x558d8f8887f5 blink::DevToolsSession::DispatchProtocolCommand()
+                [27] : 0x558d8c94034d blink::mojom::blink::DevToolsSessionStubDispatch::Accept()
+                [28] : 0x558d8da36d45 namespace)::ChannelAssociatedGroupController::AcceptOnProxyThread()
+                [29] : 0x558d8da34d19 _ZN4base8internal7InvokerINS0_9BindStateIMN3IPC12_GLOBAL__N_132ChannelAssociatedGroupControllerEFvN4mojo7MessageEEJ13scoped_refptrIS5_ENS0_13PassedWrapperIS7_EEEEEFvvEE3RunEPNS0_13BindStateBaseE
+                [30] : 0x558d8da55038 base::debug::TaskAnnotator::RunTask()
+                [31] : 0x558d8da8e97f base::sequence_manager::internal::ThreadControllerImpl::DoWork()
+                [32] : 0x558d8da55038 base::debug::TaskAnnotator::RunTask()
+                [33] : 0x558d8da547df base::MessageLoopImpl::RunTask()
+                [34] : 0x558d8da54b62 base::MessageLoopImpl::DoWork()
+                [35] : 0x558d8da566aa base::MessagePumpDefault::Run()
+                [36] : 0x558d8da6f405 base::RunLoop::Run()
+                [37] : 0x558d90955cd6 content::RendererMain()
+                [38] : 0x558d8d2e1227 content::RunZygote()
+                [39] : 0x558d8d2e239d content::ContentMainRunnerImpl::Run()
+                [40] : 0x558d8eed768c service_manager::Main()
+                [41] : 0x558d8c90c331 content::ContentMain()
+                [42] : 0x558d8bfb316b main
+                [43] : 0x7f17e48dcf45 __libc_start_main
+            ]
+            total : 100000
+        }
+    ]
+}

 Issue 909825  has been merged into this issue.

sampling-native-profile-blink-gc.js is also flaky:

https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Linux%20Tests/74067

Disabling that test as well.

 Issue 909980  has been merged into this issue.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/7eeb966bf57a7ded4e6f198a0c0fde476245a75c

commit 7eeb966bf57a7ded4e6f198a0c0fde476245a75c
Author: Giovanni Ortuño Urquidi <ortuno@chromium.org>
Date: Thu Nov 29 05:13:29 2018

sheriff: Disable sampling-native-profile-blink-gc.js; flaky on linux

https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Linux%20Tests/74067

TBR=alph@chromium.org

Bug: 905772
Change-Id: Ibd7635ff2a66eb387443775210439c167a8aa14f
Reviewed-on: https://chromium-review.googlesource.com/c/1354743
Reviewed-by: Giovanni Ortuño Urquidi <ortuno@chromium.org>
Commit-Queue: Giovanni Ortuño Urquidi <ortuno@chromium.org>
Cr-Commit-Position: refs/heads/master@{#612047}
[modify] https://crrev.com/7eeb966bf57a7ded4e6f198a0c0fde476245a75c/third_party/blink/web_tests/TestExpectations

 Issue 919641  has been merged into this issue.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/24ae0ab85357759e15a8690c83787ae1b773376f

commit 24ae0ab85357759e15a8690c83787ae1b773376f
Author: Xianzhu Wang <wangxianzhu@chromium.org>
Date: Mon Jan 07 23:43:17 2019

Mark virtual/sampling-heap-profiler/inspector-protocol/memory/sampling-native-profile-blink-gc.js] flaky

TBR=alph@chromium.org

Bug: 905772
Change-Id: Iddf6590920b772e74114915812aed78531b32a78
Reviewed-on: https://chromium-review.googlesource.com/c/1399505
Reviewed-by: Xianzhu Wang <wangxianzhu@chromium.org>
Commit-Queue: Xianzhu Wang <wangxianzhu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#620525}
[modify] https://crrev.com/24ae0ab85357759e15a8690c83787ae1b773376f/third_party/blink/web_tests/FlagExpectations/enable-blink-features=CompositeAfterPaint
[modify] https://crrev.com/24ae0ab85357759e15a8690c83787ae1b773376f/third_party/blink/web_tests/TestExpectations

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/5f3105e8ba43a8307e40a22e4341b68f502f415d

commit 5f3105e8ba43a8307e40a22e4341b68f502f415d
Author: Alexei Filippov <alph@chromium.org>
Date: Tue Jan 08 18:44:15 2019

Unflake inspector-protocol/memory/sampling-native-profile-blink-gc.js

BUG=905772

Change-Id: Iec2b60da980be06f3b29f46e7a70a4826fcbda54
Reviewed-on: https://chromium-review.googlesource.com/c/1399425
Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
Commit-Queue: Alexei Filippov <alph@chromium.org>
Cr-Commit-Position: refs/heads/master@{#620815}
[modify] https://crrev.com/5f3105e8ba43a8307e40a22e4341b68f502f415d/third_party/blink/web_tests/TestExpectations
[modify] https://crrev.com/5f3105e8ba43a8307e40a22e4341b68f502f415d/third_party/blink/web_tests/inspector-protocol/memory/sampling-native-profile-blink-gc.js