Revert of Add function to trace stack using frame pointers.

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 23e7b5164b63472409a92e992c5c1095dfa48d26..07e119a16b4a255dc443acf28c37d0c5cefa25c2 100644
--- a/base/debug/stack_trace.h
+++ b/base/debug/stack_trace.h
@@ -20,14 +20,6 @@
 #if defined(OS_WIN)
 struct _EXCEPTION_POINTERS;
 struct _CONTEXT;
-#endif
-
-#if defined(OS_POSIX) && ( \
-    defined(__i386__) || defined(__x86_64__) || \
-    (defined(__arm__) && !defined(__thumb__)))
-#define HAVE_TRACE_STACK_FRAME_POINTERS 1
-#else
-#define HAVE_TRACE_STACK_FRAME_POINTERS 0
 #endif
 
 namespace base {
@@ -101,20 +93,6 @@
   size_t count_;
 };
 
-#if HAVE_TRACE_STACK_FRAME_POINTERS
-// Traces the stack by using frame pointers. This function is faster but less
-// reliable than StackTrace. It should work for debug and profiling builds,
-// but not for release builds (although there are some exceptions).
-//
-// Writes at most |max_depth| frames (instruction pointers) into |out_trace|
-// after skipping |skip_initial| frames. Note that the function itself is not
-// added to the trace so |skip_initial| should be 0 in most cases.
-// Returns number of frames written.
-BASE_EXPORT size_t TraceStackFramePointers(const void** out_trace,
-                                           size_t max_depth,
-                                           size_t skip_initial);
-#endif  // HAVE_TRACE_STACK_FRAME_POINTERS
-
 namespace internal {
 
 #if defined(OS_POSIX) && !defined(OS_ANDROID)