Convert base::size to std::size from C++17 (see issue #3362)

cef_paths2.gypi

@@ -17,7 +17,6 @@
       'include/base/cef_callback_list.h',
       'include/base/cef_cancelable_callback.h',
       'include/base/cef_compiler_specific.h',
-      'include/base/cef_cxx17_backports.h',
       'include/base/cef_lock.h',
       'include/base/cef_logging.h',
       'include/base/cef_macros.h',

include/base/cef_cxx17_backports.h

@@ -1,60 +0,0 @@
-// Copyright (c) 2021 Marshall A. Greenblatt. Portions copyright (c) 2021
-// Google Inc. All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//    * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//    * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//    * Neither the name of Google Inc. nor the name Chromium Embedded
-// Framework nor the names of its contributors may be used to endorse
-// or promote products derived from this software without specific prior
-// written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-
-#ifndef CEF_INCLUDE_BASE_CEF_CXX17_BACKPORTS_H_
-#define CEF_INCLUDE_BASE_CEF_CXX17_BACKPORTS_H_
-#pragma once
-
-#if defined(USING_CHROMIUM_INCLUDES)
-// When building CEF include the Chromium header directly.
-#include "base/cxx17_backports.h"
-#else  // !USING_CHROMIUM_INCLUDES
-// The following was removed from Chromium in https://crrev.com/78734f77be.
-
-namespace base {
-
-// C++14 implementation of C++17's std::size():
-// http://en.cppreference.com/w/cpp/iterator/size
-template <typename Container>
-constexpr auto size(const Container& c) -> decltype(c.size()) {
-  return c.size();
-}
-
-template <typename T, size_t N>
-constexpr size_t size(const T (&array)[N]) noexcept {
-  return N;
-}
-
-}  // namespace base
-
-#endif  // !USING_CHROMIUM_INCLUDES
-
-#endif  // CEF_INCLUDE_BASE_CEF_CXX17_BACKPORTS_H_

libcef_dll/base/cef_logging.cc

@@ -15,7 +15,6 @@
 #include <string.h>
 #endif
 
-#include "include/base/cef_cxx17_backports.h"
 #include "include/internal/cef_string_types.h"
 
 namespace cef {
@@ -210,7 +209,7 @@ std::string SystemErrorCodeToString(SystemErrorCode error_code) {
   char msgbuf[error_message_buffer_size];
   DWORD flags = FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS;
   DWORD len = FormatMessageA(flags, NULL, error_code, 0, msgbuf,
-                             static_cast<DWORD>(base::size(msgbuf)), NULL);
+                             static_cast<DWORD>(std::size(msgbuf)), NULL);
   std::stringstream ss;
   if (len) {
     std::string s(msgbuf);

tests/cefclient/browser/browser_window_osr_gtk.cc

@@ -18,7 +18,6 @@
 
 #include <algorithm>
 
-#include "include/base/cef_cxx17_backports.h"
 #include "include/base/cef_logging.h"
 #include "include/base/cef_macros.h"
 #include "include/wrapper/cef_closure_task.h"
@@ -791,7 +790,7 @@ KeyboardCode GdkEventToWindowsKeyCode(const GdkEventKey* event) {
   if (windows_key_code)
     return windows_key_code;
 
-  if (event->hardware_keycode < base::size(kHardwareCodeToGDKKeyval)) {
+  if (event->hardware_keycode < std::size(kHardwareCodeToGDKKeyval)) {
     int keyval = kHardwareCodeToGDKKeyval[event->hardware_keycode];
     if (keyval)
       return KeyboardCodeFromXKeysym(keyval);

tests/cefclient/browser/client_handler.cc

@@ -11,7 +11,6 @@
 #include <string>
 
 #include "include/base/cef_callback.h"
-#include "include/base/cef_cxx17_backports.h"
 #include "include/cef_browser.h"
 #include "include/cef_command_ids.h"
 #include "include/cef_frame.h"
@@ -1469,7 +1468,7 @@ bool ClientHandler::IsAllowedCommandId(int command_id) {
       IDC_CONTENT_CONTEXT_UNDO,
       IDC_CONTENT_CONTEXT_REDO,
   };
-  for (size_t i = 0; i < base::size(kAllowedCommandIds); ++i) {
+  for (size_t i = 0; i < std::size(kAllowedCommandIds); ++i) {
     if (command_id == kAllowedCommandIds[i])
       return true;
   }

tests/cefclient/browser/root_window_views.cc

@@ -8,7 +8,6 @@
 
 #include "include/base/cef_build.h"
 #include "include/base/cef_callback.h"
-#include "include/base/cef_cxx17_backports.h"
 #include "include/cef_app.h"
 #include "include/wrapper/cef_helpers.h"
 #include "tests/cefclient/browser/client_handler_std.h"
@@ -486,7 +485,7 @@ void RootWindowViews::InitOnUIThread(
 
   // Populate the default image cache.
   ImageCache::ImageInfoSet image_set;
-  for (size_t i = 0U; i < base::size(kDefaultImageCache); ++i)
+  for (size_t i = 0U; i < std::size(kDefaultImageCache); ++i)
     image_set.push_back(ImageCache::ImageInfo::Create2x(kDefaultImageCache[i]));
 
   image_cache_->LoadImages(
@@ -504,8 +503,8 @@ void RootWindowViews::CreateViewsWindow(
 
 #ifndef NDEBUG
   // Make sure the default images loaded successfully.
-  DCHECK_EQ(images.size(), base::size(kDefaultImageCache));
-  for (size_t i = 0U; i < base::size(kDefaultImageCache); ++i) {
+  DCHECK_EQ(images.size(), std::size(kDefaultImageCache));
+  for (size_t i = 0U; i < std::size(kDefaultImageCache); ++i) {
     DCHECK(images[i]) << "Default image " << i << " failed to load";
   }
 #endif

tests/ceftests/test_server_observer_unittest.cc

@@ -4,7 +4,6 @@
 
 #include <sstream>
 
-#include "include/base/cef_cxx17_backports.h"
 #include "include/cef_command_line.h"
 #include "include/cef_task.h"
 #include "include/cef_waitable_event.h"
@@ -193,7 +192,7 @@ void RunHelperMultiple(bool https_server) {
 
   TestState states[3];
   size_t count = 0;
-  const size_t size = base::size(states);
+  const size_t size = std::size(states);
 
   for (size_t i = 0; i < size; ++i) {
     std::stringstream ss;

tests/shared/browser/extension_util.cc

@@ -8,7 +8,6 @@
 #include <memory>
 
 #include "include/base/cef_callback.h"
-#include "include/base/cef_cxx17_backports.h"
 #include "include/cef_parser.h"
 #include "include/cef_path_util.h"
 #include "include/wrapper/cef_closure_task.h"
@@ -124,7 +123,7 @@ bool IsInternalExtension(const std::string& extension_path) {
   static const char* extensions[] = {"set_page_color"};
 
   const std::string& internal_path = GetInternalPath(extension_path);
-  for (size_t i = 0; i < base::size(extensions); ++i) {
+  for (size_t i = 0; i < std::size(extensions); ++i) {
     // Exact match or first directory component.
     const std::string& extension = extensions[i];
     if (internal_path == extension ||