Disable flaky test MouseLatencyBrowserTest.MouseDownAndUpRecordedWithoutSwap on Linux.

content/browser/renderer_host/input/mouse_latency_browsertest.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 <vector>
 
 #include "base/bind.h"
 #include "base/json/json_reader.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
@@ skipping 127 matching lines @@
   std::unique_ptr<base::RunLoop> runner_;
   base::Value trace_data_;
 
   DISALLOW_COPY_AND_ASSIGN(MouseLatencyBrowserTest);
 };
 
 // Ensures that LatencyInfo async slices are reported correctly for MouseUp and
 // MouseDown events in the case where no swap is generated.
 // Disabled on Android because we don't support synthetic mouse input on
 // Android (crbug.com/723618).
-#if defined(OS_ANDROID)
+// Test is flaky on Linux (crbug.com/736836).
+#if defined (OS_ANDROID) || defined(OS_LINUX)
 #define MAYBE_MouseDownAndUpRecordedWithoutSwap \
   DISABLED_MouseDownAndUpRecordedWithoutSwap
 #else
 #define MAYBE_MouseDownAndUpRecordedWithoutSwap \
   MouseDownAndUpRecordedWithoutSwap
 #endif
 IN_PROC_BROWSER_TEST_F(MouseLatencyBrowserTest,
                        MAYBE_MouseDownAndUpRecordedWithoutSwap) {
   LoadURL();
 
@@ skipping 23 matching lines @@
   }
 
   // We see two events per async slice, a begin and an end.
   EXPECT_THAT(
       trace_event_names,
       testing::ElementsAre("InputLatency::MouseDown", "InputLatency::MouseDown",
                            "InputLatency::MouseUp", "InputLatency::MouseUp"));
 }
 
 }  // namespace content