Make base work on iOS

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"
 
 #if defined(OS_WIN)
 #include <io.h>
 #include <windows.h>
 typedef HANDLE FileHandle;
@@ skipping 564 matching lines @@
       case LOG_WARNING:
         priority = ANDROID_LOG_WARN;
         break;
       case LOG_ERROR:
         priority = ANDROID_LOG_ERROR;
         break;
       case LOG_FATAL:
         priority = ANDROID_LOG_FATAL;
         break;
     }
-    __android_log_write(priority, "chromium", str_newline.c_str());
+    __android_log_write(priority, ANDROID_LOG_TAG, str_newline.c_str());
 #endif
     ignore_result(fwrite(str_newline.data(), str_newline.size(), 1, stderr));
     fflush(stderr);
   } else if (severity_ >= kAlwaysPrintErrorLevel) {
     // When we're only outputting to a log file, above a certain log level, we
     // should still output to stderr so that we can better detect and diagnose
     // problems with unit tests, especially on the buildbots.
     ignore_result(fwrite(str_newline.data(), str_newline.size(), 1, stderr));
     fflush(stderr);
   }
@@ skipping 216 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 << base::WideToUTF8(wstr);
 }