Ensure the OSX crash catcher does not trigger on SIGABRT when disabled.

base/mac/os_crash_dumps.cc

Index: base/mac/os_crash_dumps.cc
diff --git a/base/mac/os_crash_dumps.cc b/base/mac/os_crash_dumps.cc
index e50ac3974215d995be9eef7b4deeb4fe0d8c2e1a..5d65b469dddaf3932a97366b919415cc00e10a33 100644
--- a/base/mac/os_crash_dumps.cc
+++ b/base/mac/os_crash_dumps.cc
@@ -30,11 +30,14 @@ void DisableOSCrashDumps() {
   // bsd/uxkern/ux_exception.c and machine_exception() in xnu's
   // bsd/dev/*/unix_signal.c.
   const int signals_to_intercept[] = {
+    // Hardware faults
     SIGILL,   // EXC_BAD_INSTRUCTION
     SIGTRAP,  // EXC_BREAKPOINT
     SIGFPE,   // EXC_ARITHMETIC
     SIGBUS,   // EXC_BAD_ACCESS
-    SIGSEGV   // EXC_BAD_ACCESS
+    SIGSEGV,  // EXC_BAD_ACCESS
+    // Not a hardware fault
+    SIGABRT
   };
 
   // For all these signals, just wire things up so we exit immediately.