Add chrome_crash_reporter_client_win.cc to the source file list for chrome_elf

base/logging.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 "base/logging.h"
 
 #include <limits.h>
 #include <stdint.h>
 
 #include "base/macros.h"
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <io.h>
 #include <windows.h>
-#include "base/files/file_path.h"
-#include "base/files/file_util.h"
 typedef HANDLE FileHandle;
 typedef HANDLE MutexHandle;
 // Windows warns on using write().  It prefers _write().
 #define write(fd, buf, count) _write(fd, buf, static_cast<unsigned int>(count))
 // Windows doesn't define STDERR_FILENO.  Define it here.
 #define STDERR_FILENO 2
 #elif defined(OS_MACOSX)
 #include <asl.h>
 #include <CoreFoundation/CoreFoundation.h>
 #include <mach/mach.h>
@@ skipping 254 matching lines @@
   if ((g_logging_destination & LOG_TO_FILE) != 0) {
 #if defined(OS_WIN)
     // The FILE_APPEND_DATA access mask ensures that the file is atomically
     // appended to across accesses from multiple threads.
     // https://msdn.microsoft.com/en-us/library/windows/desktop/aa364399(v=vs.85).aspx
     // https://msdn.microsoft.com/en-us/library/windows/desktop/aa363858(v=vs.85).aspx
     g_log_file = CreateFile(g_log_file_name->c_str(), FILE_APPEND_DATA,
                             FILE_SHARE_READ | FILE_SHARE_WRITE, nullptr,
                             OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
     if (g_log_file == INVALID_HANDLE_VALUE || g_log_file == nullptr) {
+      // We are intentionally not using FilePath or FileUtil here to reduce the
+      // dependencies of the logging implementation. For e.g. FilePath and
+      // FileUtil depend on shell32 and user32.dll. This is not acceptable for
+      // some consumers of base logging like chrome_elf, etc.
+      // Please don't change the code below to use FilePath.
       // try the current directory
-      base::FilePath file_path;
-      if (!base::GetCurrentDirectory(&file_path))
+      wchar_t system_buffer[MAX_PATH];
+      system_buffer[0] = 0;
+      DWORD len = ::GetCurrentDirectory(arraysize(system_buffer),
+                                        system_buffer);
+      if (len == 0 || len > arraysize(system_buffer))
         return false;
 
-      *g_log_file_name = file_path.Append(
-          FILE_PATH_LITERAL("debug.log")).value();
+      *g_log_file_name = system_buffer;
+      // Append a trailing backslash if needed.
+      if (g_log_file_name->back() != L'\\')
+        *g_log_file_name += L"\\";
+      *g_log_file_name += L"debug.log";
 
       g_log_file = CreateFile(g_log_file_name->c_str(), FILE_APPEND_DATA,
                               FILE_SHARE_READ | FILE_SHARE_WRITE, nullptr,
                               OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
       if (g_log_file == INVALID_HANDLE_VALUE || g_log_file == nullptr) {
         g_log_file = nullptr;
         return false;
       }
     }
 #elif defined(OS_POSIX)
@@ skipping 603 matching lines @@
 BASE_EXPORT void LogErrorNotReached(const char* file, int line) {
   LogMessage(file, line, LOG_ERROR).stream()
       << "NOTREACHED() hit.";
 }
 
 }  // namespace logging
 
 std::ostream& std::operator<<(std::ostream& out, const wchar_t* wstr) {
   return out << (wstr ? base::WideToUTF8(wstr) : std::string());
 }