mac: Remove one static initializer.

chrome/common/mac/objc_zombie.mm

Index: chrome/common/mac/objc_zombie.mm
diff --git a/chrome/common/mac/objc_zombie.mm b/chrome/common/mac/objc_zombie.mm
index 5ef00a67cf9bb43092f7402b409e72109a9946fb..98f73c711e15dd53a73de332c67505ad1c6bedf6 100644
--- a/chrome/common/mac/objc_zombie.mm
+++ b/chrome/common/mac/objc_zombie.mm
@@ -12,7 +12,6 @@
 #import <objc/objc-class.h>
 
 #include <algorithm>
-#include <iostream>
 
 #include "base/debug/stack_trace.h"
 #include "base/lazy_instance.h"
@@ -253,8 +252,7 @@ BOOL GetZombieRecord(id object, ZombieRecord* record) {
 // Dump the symbols.  This is pulled out into a function to make it
 // easy to use DCHECK to dump only in debug builds.
 BOOL DumpDeallocTrace(const void* const* array, int size) {
-  // |cerr| because that's where PrintBacktrace() sends output.
-  std::cerr << "Backtrace from -dealloc:\n";
+  fprintf(stderr, "Backtrace from -dealloc:\n");
   base::debug::StackTrace(array, size).PrintBacktrace();
 
   return YES;