Enough hacks to make wstring printfs unneeded

base/trace_event/memory_allocator_dump.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/trace_event/memory_allocator_dump.h"
 
 #include "base/format_macros.h"
 #include "base/strings/stringprintf.h"
 #include "base/trace_event/memory_dump_manager.h"
 #include "base/trace_event/memory_dump_provider.h"
@@ skipping 44 matching lines @@
                               absolute_name.c_str()))) {
   string_conversion_buffer_.reserve(16);
 }
 
 MemoryAllocatorDump::~MemoryAllocatorDump() {
 }
 
 void MemoryAllocatorDump::AddScalar(const char* name,
                                     const char* units,
                                     uint64 value) {
-  SStringPrintf(&string_conversion_buffer_, "%" PRIx64, value);
+  /*SStringPrintf(&string_conversion_buffer_, "%" PRIx64, value);*/
   attributes_->BeginDictionary(name);
   attributes_->SetString("type", kTypeScalar);
   attributes_->SetString("units", units);
   attributes_->SetString("value", string_conversion_buffer_);
   attributes_->EndDictionary();
 }
 
 void MemoryAllocatorDump::AddScalarF(const char* name,
                                      const char* units,
                                      double value) {
@@ skipping 16 matching lines @@
 
 void MemoryAllocatorDump::AsValueInto(TracedValue* value) const {
   value->BeginDictionaryWithCopiedName(absolute_name_);
   value->SetString("guid", guid_.ToString());
   value->SetValue("attrs", *attributes_);
   value->EndDictionary();  // "allocator_name/heap_subheap": { ... }
 }
 
 }  // namespace trace_event
 }  // namespace base