Remove WTFReportAssertionFailure and WTFReportBacktrace.

base/debug/stack_trace_posix.cc

Index: base/debug/stack_trace_posix.cc
diff --git a/base/debug/stack_trace_posix.cc b/base/debug/stack_trace_posix.cc
index da86bdc059b303634fb4db5e9eb957cc7a10e6a7..ebd18525b9ae73675995bc4d44af960f378627a7 100644
--- a/base/debug/stack_trace_posix.cc
+++ b/base/debug/stack_trace_posix.cc
@@ -16,6 +16,7 @@
 #include <sys/types.h>
 #include <unistd.h>
 
+#include <algorithm>
 #include <map>
 #include <memory>
 #include <ostream>
@@ -716,14 +717,16 @@ bool EnableInProcessStackDumping() {
   return success;
 }
 
-StackTrace::StackTrace() {
-  // NOTE: This code MUST be async-signal safe (it's used by in-process
-  // stack dumping signal handler). NO malloc or stdio is allowed here.
+StackTrace::StackTrace(size_t count) {
+// NOTE: This code MUST be async-signal safe (it's used by in-process
+// stack dumping signal handler). NO malloc or stdio is allowed here.
 
 #if !defined(__UCLIBC__)
+  count = std::min(arraysize(trace_), count);
+
   // Though the backtrace API man page does not list any possible negative
   // return values, we take no chance.
-  count_ = base::saturated_cast<size_t>(backtrace(trace_, arraysize(trace_)));
+  count_ = base::saturated_cast<size_t>(backtrace(trace_, count));
 #else
   count_ = 0;
 #endif