🔖 Remove unmapped histogram ResourceBundle.LoadLocaleResourcesError

ui/base/resource/resource_bundle.cc

 // Copyright (c) 2012 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 "ui/base/resource/resource_bundle.h"
 
 #include <stdint.h>
 
 #include <limits>
 #include <utility>
 #include <vector>
 
 #include "base/big_endian.h"
 #include "base/command_line.h"
 #include "base/files/file.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted_memory.h"
-#include "base/metrics/histogram_macros.h"
 #include "base/path_service.h"
 #include "base/stl_util.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/synchronization/lock.h"
 #include "build/build_config.h"
 #include "skia/ext/image_operations.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/base/l10n/l10n_util.h"
@@ skipping 294 matching lines @@
     locale_file_path = GetLocaleFilePath(app_locale, true);
 
   if (locale_file_path.empty()) {
     // It's possible that there is no locale.pak.
     LOG(WARNING) << "locale_file_path.empty() for locale " << app_locale;
     return std::string();
   }
 
   std::unique_ptr<DataPack> data_pack(new DataPack(SCALE_FACTOR_100P));
   if (!data_pack->LoadFromPath(locale_file_path)) {
-    UMA_HISTOGRAM_ENUMERATION("ResourceBundle.LoadLocaleResourcesError",
-                              logging::GetLastSystemErrorCode(), 16000);
     LOG(ERROR) << "failed to load locale.pak";
     NOTREACHED();
     return std::string();
   }
 
   locale_resources_data_.reset(data_pack.release());
   return app_locale;
 }
 #endif  // defined(OS_ANDROID)
 
@@ skipping 541 matching lines @@
 // static
 bool ResourceBundle::DecodePNG(const unsigned char* buf,
                                size_t size,
                                SkBitmap* bitmap,
                                bool* fell_back_to_1x) {
   *fell_back_to_1x = PNGContainsFallbackMarker(buf, size);
   return gfx::PNGCodec::Decode(buf, size, bitmap);
 }
 
 }  // namespace ui