Disable MemoryDumpSchedulerTest.MultipleTriggers on Linux

base/trace_event/memory_dump_scheduler_unittest.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/trace_event/memory_dump_scheduler.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 70 matching lines @@
   const double time_ms = (TimeTicks::Now() - tstart).InMillisecondsF();
 
   // It takes N-1 ms to perform N ticks of 1ms each.
   EXPECT_GE(time_ms, kPeriodMs * (kTicks - 1));
 
   // Check that stopping twice doesn't cause any problems.
   scheduler_->Stop();
   scheduler_->Stop();
 }
 
-TEST_F(MemoryDumpSchedulerTest, MultipleTriggers) {
+// Flaky on Linux. http://crbug.com/732861
+#if defined(OS_LINUX)
+#define MAYBE_MultipleTriggers DISABLED_MultipleTriggers
+#else
+#define MAYBE_MultipleTriggers MultipleTriggers
+#endif
+TEST_F(MemoryDumpSchedulerTest, MAYBE_MultipleTriggers) {
   const uint32_t kPeriodLightMs = 3;
   const uint32_t kPeriodDetailedMs = 9;
   WaitableEvent evt(WaitableEvent::ResetPolicy::MANUAL,
                     WaitableEvent::InitialState::NOT_SIGNALED);
   MemoryDumpScheduler::Config config;
   const MemoryDumpLevelOfDetail kLight = MemoryDumpLevelOfDetail::LIGHT;
   const MemoryDumpLevelOfDetail kDetailed = MemoryDumpLevelOfDetail::DETAILED;
   config.triggers.push_back({kLight, kPeriodLightMs});
   config.triggers.push_back({kDetailed, kPeriodDetailedMs});
   config.callback = Bind(&CallbackWrapper::OnTick, Unretained(&on_tick_));
@@ skipping 90 matching lines @@
           Invoke([&evt, expected_task_runner](MemoryDumpLevelOfDetail) {
             EXPECT_TRUE(expected_task_runner->RunsTasksOnCurrentThread());
             evt.Signal();
           }));
   evt.Wait();
   scheduler_->Stop();
 }
 
 }  // namespace trace_event
 }  // namespace base