Disable some extensions_unittests on LSAN builds.

extensions/renderer/api/serial/data_receiver_unittest.cc

 // Copyright 2014 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 <stdint.h>
 
 #include <queue>
 #include <utility>
 
 #include "base/macros.h"
@@ skipping 108 matching lines @@
       buffer->DoneWithError(data.size(), error);
     else
       buffer->Done(data.size());
   }
 
   scoped_refptr<device::DataSourceSender> sender_;
 
   DISALLOW_COPY_AND_ASSIGN(DataReceiverTest);
 };
 
-TEST_F(DataReceiverTest, Receive) {
+// https://crbug.com/599898
+#if defined(LEAK_SANITIZER)
+#define MAYBE_Receive DISABLED_Receive
+#else
+#define MAYBE_Receive Receive
+#endif
+TEST_F(DataReceiverTest, MAYBE_Receive) {
   data_to_send_.push("a");
   RunTest("data_receiver_unittest.js", "testReceive");
 }
 
-TEST_F(DataReceiverTest, ReceiveError) {
+// https://crbug.com/599898
+#if defined(LEAK_SANITIZER)
+#define MAYBE_ReceiveError DISABLED_ReceiveError
+#else
+#define MAYBE_ReceiveError ReceiveError
+#endif
+TEST_F(DataReceiverTest, MAYBE_ReceiveError) {
   error_to_send_.push(1);
   RunTest("data_receiver_unittest.js", "testReceiveError");
 }
 
 TEST_F(DataReceiverTest, ReceiveDataAndError) {
   data_to_send_.push("a");
   data_to_send_.push("b");
   error_to_send_.push(1);
   RunTest("data_receiver_unittest.js", "testReceiveDataAndError");
 }
@@ skipping 24 matching lines @@
   error_to_send_.push(1);
   error_to_send_.push(3);
   RunTest("data_receiver_unittest.js", "testReceiveDataAndErrorSerialization");
 }
 
 TEST_F(DataReceiverTest, SerializeDuringReceive) {
   data_to_send_.push("a");
   RunTest("data_receiver_unittest.js", "testSerializeDuringReceive");
 }
 
-TEST_F(DataReceiverTest, SerializeAfterClose) {
+// https://crbug.com/599898
+#if defined(LEAK_SANITIZER)
+#define MAYBE_SerializeAfterClose DISABLED_SerializeAfterClose
+#else
+#define MAYBE_SerializeAfterClose SerializeAfterClose
+#endif
+TEST_F(DataReceiverTest, MAYBE_SerializeAfterClose) {
   data_to_send_.push("a");
   RunTest("data_receiver_unittest.js", "testSerializeAfterClose");
 }
 
 }  // namespace extensions