Including pthread.h, compile fix for Android.

base/logging.cc

 // Copyright (c) 2006-2009 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"
 
 #if defined(OS_WIN)
 #include <io.h>
 #include <windows.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 <CoreFoundation/CoreFoundation.h>
 #include <mach/mach.h>
 #include <mach/mach_time.h>
 #include <mach-o/dyld.h>
 #elif defined(OS_POSIX)
 #include <sys/syscall.h>
 #include <time.h>
 #endif
 
 #if defined(OS_POSIX)
 #include <errno.h>
+#include <pthread.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>
 #define MAX_PATH PATH_MAX
 typedef FILE* FileHandle;
 typedef pthread_mutex_t* MutexHandle;
 #endif
 
 #include <ctime>
@@ skipping 686 matching lines @@
 
   if (level == LOG_FATAL)
     DebugUtil::BreakDebugger();
 }
 
 }  // namespace logging
 
 std::ostream& operator<<(std::ostream& out, const wchar_t* wstr) {
   return out << WideToUTF8(std::wstring(wstr));
 }