Clang: Do not ignore result of HANDLE_EINTR.

base/message_loop_unittest.cc

Index: base/message_loop_unittest.cc
diff --git a/base/message_loop_unittest.cc b/base/message_loop_unittest.cc
index 6208e993edc1af94589efb5652206f9961441104..da0013c250068d4fae801d50e35f3f9dbd937310 100644
--- a/base/message_loop_unittest.cc
+++ b/base/message_loop_unittest.cc
@@ -1578,8 +1578,10 @@ TEST(MessageLoopTest, FileDescriptorWatcherOutlivesMessageLoop) {
       // and don't run the message loop, just destroy it.
     }
   }
-  HANDLE_EINTR(close(pipefds[0]));
-  HANDLE_EINTR(close(pipefds[1]));
+  if (HANDLE_EINTR(close(pipefds[0])) < 0)
+    PLOG(ERROR) << "close";
+  if (HANDLE_EINTR(close(pipefds[1])) < 0)
+    PLOG(ERROR) << "close";
 }
 
 TEST(MessageLoopTest, FileDescriptorWatcherDoubleStop) {
@@ -1601,8 +1603,10 @@ TEST(MessageLoopTest, FileDescriptorWatcherDoubleStop) {
       controller.StopWatchingFileDescriptor();
     }
   }
-  HANDLE_EINTR(close(pipefds[0]));
-  HANDLE_EINTR(close(pipefds[1]));
+  if (HANDLE_EINTR(close(pipefds[0])) < 0)
+    PLOG(ERROR) << "close";
+  if (HANDLE_EINTR(close(pipefds[1])) < 0)
+    PLOG(ERROR) << "close";
 }
 
 }  // namespace