Remove WTFReportAssertionFailure and WTFReportBacktrace.

base/debug/stack_trace.h

Index: base/debug/stack_trace.h
diff --git a/base/debug/stack_trace.h b/base/debug/stack_trace.h
index d4918d60654b808719ebcfdda6be74d43174f75d..f87db6cb67cdfed8060bfe8b11efe8cf3a6e770a 100644
--- a/base/debug/stack_trace.h
+++ b/base/debug/stack_trace.h
@@ -68,7 +68,8 @@ class BASE_EXPORT StackTrace {
 
   // Copying and assignment are allowed with the default functions.
 
-  ~StackTrace();
+  // Returns a copy of this StackTrace, but with at most |max_entries|.
+  StackTrace Truncate(size_t max_entries) const;

[esprehn, 2017/01/26 22:55:45]

This does mean we waste time inside backtrace() filling the array with entries
you don't want if you just print 3 lines, but maybe that's okay.

[Wez, 2017/01/27 01:29:58]

Fair point; let's optimize that if it proves to be valuable?

 
   // Gets an array of instruction pointer values. |*count| will be set to the
   // number of elements in the returned array.
@@ -96,6 +97,7 @@ class BASE_EXPORT StackTrace {
   // doesn't give much more information.
   static const int kMaxTraces = 62;
 
+ protected:
   void* trace_[kMaxTraces];
 
   // The number of valid frames in |trace_|.