test: disable LoggingTest.CheckCausesDistinctBreakpoints on iOS

base/logging_unittest.cc

 // Copyright (c) 2011 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/compiler_specific.h"
 #include "base/logging.h"
 #include "base/macros.h"
 
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 239 matching lines @@
   EXPECT_EQ(STATUS_BREAKPOINT, code1);
   EXPECT_EQ(STATUS_BREAKPOINT, code2);
   EXPECT_EQ(STATUS_BREAKPOINT, code3);
 
   // Ensure that none of the CHECKs are colocated.
   EXPECT_NE(addr1, addr2);
   EXPECT_NE(addr1, addr3);
   EXPECT_NE(addr2, addr3);
 }
 
-#elif defined(OS_POSIX) && !defined(OS_NACL) && \
+#elif defined(OS_POSIX) && !defined(OS_NACL) && !defined(OS_IOS) && \
     (defined(ARCH_CPU_X86_FAMILY) || defined(ARCH_CPU_ARM_FAMILY))
 
 int g_child_crash_pipe;
 
 void CheckCrashTestSighandler(int, siginfo_t* info, void* context_ptr) {
   // Conversely to what clearly stated in "man 2 sigaction", some Linux kernels
   // do NOT populate the |info->si_addr| in the case of a SIGTRAP. Hence we
   // need the arch-specific boilerplate below, which is inspired by breakpad.
   // At the same time, on OSX, ucontext.h is deprecated but si_addr works fine.
   uintptr_t crash_addr = 0;
@@ skipping 233 matching lines @@
     std::wstring wstr = L"Hello World";
     std::ostringstream ostr;
     ostr << wstr;
     EXPECT_EQ("Hello World", ostr.str());
   }
 }  // namespace nested_test
 
 }  // namespace
 
 }  // namespace logging