Don't log to stderr during GPU process watchdog timeout

gpu/ipc/service/gpu_watchdog_thread.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 "gpu/ipc/service/gpu_watchdog_thread.h"
 
 #include <errno.h>
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/debug/alias.h"
 #include "base/files/file_util.h"
+#include "base/format_macros.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/power_monitor/power_monitor.h"
 #include "base/process/process.h"
 #include "base/single_thread_task_runner.h"
+#include "base/strings/stringprintf.h"
 #include "base/threading/platform_thread.h"
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #if defined(USE_X11)
 #include <X11/Xatom.h>
 #include <X11/Xlib.h>
@@ skipping 366 matching lines @@
 
   base::Time current_time = base::Time::Now();
   base::TimeTicks current_timeticks = base::TimeTicks::Now();
   base::debug::Alias(&current_time);
   base::debug::Alias(&current_timeticks);
 
   int32_t awaiting_acknowledge =
       base::subtle::NoBarrier_Load(&awaiting_acknowledge_);
   base::debug::Alias(&awaiting_acknowledge);
 
-  LOG(ERROR) << "The GPU process hung. Terminating after "
-             << timeout_.InMilliseconds() << " ms.";
+  // Don't log the message to stderr in release builds because the buffer
+  // may be full.
+  std::string message = base::StringPrintf(
+      "The GPU process hung. Terminating after %" PRId64 " ms.",
+      timeout_.InMilliseconds());
+  logging::LogMessageHandlerFunction handler = logging::GetLogMessageHandler();
+  if (handler)
+    handler(logging::LOG_ERROR, __FILE__, __LINE__, 0, message);
+  DLOG(ERROR) << message;
 
   // Deliberately crash the process to create a crash dump.
   *((volatile int*)0) = 0x1337;
 
   terminated = true;
 }
 
 #if defined(USE_X11)
 void GpuWatchdogThread::SetupXServer() {
   display_ = XOpenDisplay(NULL);
@@ skipping 95 matching lines @@
     int tty_number;
     size_t num_res = sscanf(tty_string, "tty%d\n", &tty_number);
     if (num_res == 1)
       return tty_number;
   }
   return -1;
 }
 #endif
 
 }  // namespace gpu