Disable DevToolsPixelOutputTests, TestScreenshotRecording under MSan.

chrome/browser/devtools/devtools_sanity_browsertest.cc

 // Copyright (c) 2012 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/bind.h"
 #include "base/cancelable_callback.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/location.h"
 #include "base/memory/ref_counted.h"
@@ skipping 969 matching lines @@
 }
 
 class DevToolsPixelOutputTests : public DevToolsSanityTest {
  public:
   void SetUpCommandLine(base::CommandLine* command_line) override {
     command_line->AppendSwitch(switches::kEnablePixelOutputInTests);
     command_line->AppendSwitch(switches::kUseGpuInTests);
   }
 };
 
+// This test enables switches::kUseGpuInTests which causes false positives
+// with MemorySanitizer.
+#if defined(MEMORY_SANITIZER)
+#define MAYBE_TestScreenshotRecording DISABLED_TestScreenshotRecording
+#else
+#define MAYBE_TestScreenshotRecording TestScreenshotRecording
+#endif
 // Tests raw headers text.
-IN_PROC_BROWSER_TEST_F(DevToolsPixelOutputTests, TestScreenshotRecording) {
+IN_PROC_BROWSER_TEST_F(DevToolsPixelOutputTests,
+                       MAYBE_TestScreenshotRecording) {
   RunTest("testScreenshotRecording", std::string());
 }
-