[Android] Allow JNI initialization on background thread

content/app/android/library_loader_hooks.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 "content/public/app/android_library_loader_hooks.h"
 
 #include "base/android/base_jni_registrar.h"
 #include "base/android/jni_android.h"
 #include "base/android/jni_registrar.h"
 #include "base/android/jni_string.h"
@@ skipping 17 matching lines @@
 #include "net/android/net_jni_registrar.h"
 #include "ui/android/ui_jni_registrar.h"
 #include "ui/shell_dialogs/android/shell_dialogs_jni_registrar.h"
 
 namespace {
 base::AtExitManager* g_at_exit_manager = NULL;
 }
 
 namespace content {
 
-static jint LibraryLoadedOnMainThread(JNIEnv* env, jclass clazz,
-                                          jobjectArray init_command_line) {
+static jint LibraryLoaded(JNIEnv* env, jclass clazz,
+                          jobjectArray init_command_line) {
   InitNativeCommandLineFromJavaArray(env, init_command_line);
 
   CommandLine* command_line = CommandLine::ForCurrentProcess();
 
   if (command_line->HasSwitch(switches::kTraceStartup)) {
     base::debug::TraceLog::GetInstance()->SetEnabled(
         command_line->GetSwitchValueASCII(switches::kTraceStartup),
         base::debug::TraceLog::RECORD_UNTIL_FULL);
   }
 
@@ skipping 55 matching lines @@
 }
 
 bool RegisterLibraryLoaderEntryHook(JNIEnv* env) {
   // We need the AtExitManager to be created at the very beginning.
   g_at_exit_manager = new base::AtExitManager();
 
   return RegisterNativesImpl(env);
 }
 
 }  // namespace content