Disable SysInfoTest.AmountOfPhysicalMemory on NaCl.

test/base-unittests/sys-info-unittest.cc

 // Copyright 2014 the V8 project 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 "src/base/sys-info.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+#if V8_OS_NACL
+#define DISABLE_ON_NACL(Name) DISABLED_##Name
+#else
+#define DISABLE_ON_NACL(Name) Name
+#endif
+
 namespace v8 {
 namespace base {
 
 TEST(SysInfoTest, NumberOfProcessors) {
   EXPECT_LT(0, SysInfo::NumberOfProcessors());
 }
 
 
-TEST(SysInfoTest, AmountOfPhysicalMemory) {
+TEST(SysInfoTest, DISABLE_ON_NACL(AmountOfPhysicalMemory)) {
   EXPECT_LT(0, SysInfo::AmountOfPhysicalMemory());
 }
 
 
 TEST(SysInfoTest, AmountOfVirtualMemory) {
   EXPECT_LE(0, SysInfo::AmountOfVirtualMemory());
 }
 
 }  // namespace base
 }  // namespace v8