Enable logging for media_bench.

media/tools/media_bench/media_bench.cc

Index: media/tools/media_bench/media_bench.cc
diff --git a/media/tools/media_bench/media_bench.cc b/media/tools/media_bench/media_bench.cc
index 66c3536ee23bb37786d9a7a5924f3d2bb00e479c..fc732bf4acfe7c1a5c88fa9fe896542ee01dcb0a 100644
--- a/media/tools/media_bench/media_bench.cc
+++ b/media/tools/media_bench/media_bench.cc
@@ -89,8 +89,15 @@ int main(int argc, const char** argv) {
   base::AtExitManager exit_manager;
 
   CommandLine::Init(argc, argv);
-  const CommandLine* cmd_line = CommandLine::ForCurrentProcess();
 
+  logging::InitLogging(
+      NULL,
+      logging::LOG_ONLY_TO_SYSTEM_DEBUG_LOG,
+      logging::LOCK_LOG_FILE,  // Ignored.
+      logging::DELETE_OLD_LOG_FILE,  // Ignored.
+      logging::DISABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS);
+
+  const CommandLine* cmd_line = CommandLine::ForCurrentProcess();
   const CommandLine::StringVector& filenames = cmd_line->GetArgs();
   if (filenames.empty()) {
     std::cerr << "Usage: " << argv[0] << " [OPTIONS] FILE [DUMPFILE]\n"
@@ -122,8 +129,8 @@ int main(int argc, const char** argv) {
   // Initialize our media library (try loading DLLs, etc.) before continuing.
   // We use an empty file path as the parameter to force searching of the
   // default locations for necessary DLLs and DSOs.
-  if (media::InitializeMediaLibrary(FilePath()) == false) {
-    std::cerr << "Unable to initialize the media library.";
+  if (!media::InitializeMediaLibrary(FilePath())) {
+    std::cerr << "Unable to initialize the media library." << std::endl;
     return 1;
   }