Set chrome thread name in JVM.

base/android/jni_android.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/android/jni_android.h"
 
 #include <map>
 
 #include "base/android/build_info.h"
 #include "base/android/jni_string.h"
@@ skipping 63 matching lines @@
 namespace android {
 
 JNIEnv* AttachCurrentThread() {
   DCHECK(g_jvm);
   JNIEnv* env = NULL;
   jint ret = g_jvm->AttachCurrentThread(&env, NULL);
   DCHECK_EQ(JNI_OK, ret);
   return env;
 }
 
+JNIEnv* AttachCurrentThreadWithName(const std::string& thread_name) {
+  DCHECK(g_jvm);
+  JavaVMAttachArgs args;
+  args.version = JNI_VERSION_1_2;
+  args.name = thread_name.c_str();
+  args.group = NULL;
+  JNIEnv* env = NULL;
+  jint ret = g_jvm->AttachCurrentThread(&env, &args);
+  DCHECK_EQ(JNI_OK, ret);
+  return env;
+}
+
 void DetachFromVM() {
   // Ignore the return value, if the thread is not attached, DetachCurrentThread
   // will fail. But it is ok as the native thread may never be attached.
   if (g_jvm)
     g_jvm->DetachCurrentThread();
 }
 
 void InitVM(JavaVM* vm) {
   DCHECK(!g_jvm);
   g_jvm = vm;
@@ skipping 105 matching lines @@
   // RVO should avoid any extra copies of the exception string.
   base::android::BuildInfo::GetInstance()->set_java_exception_info(
       GetJavaExceptionInfo(env, java_throwable));
 
   // Now, feel good about it and die.
   CHECK(false);
 }
 
 }  // namespace android
 }  // namespace base