Rename jni_helper.h to jni_weak_ref.h.

base/BUILD.gn

 # Copyright (c) 2013 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.
 
 import("//build/config/ui.gni")
 import("//build/config/android/rules.gni")
 
 component("base") {
   sources = [
     "third_party/dmg_fp/dmg_fp.h",
@@ skipping 20 matching lines @@
     "android/fifo_utils.cc",
     "android/fifo_utils.h",
     "android/important_file_writer_android.cc",
     "android/important_file_writer_android.h",
     "android/scoped_java_ref.cc",
     "android/scoped_java_ref.h",
     "android/jni_android.cc",
     "android/jni_android.h",
     "android/jni_array.cc",
     "android/jni_array.h",
-    "android/jni_helper.cc",
     "android/jni_helper.h",
     "android/jni_registrar.cc",
     "android/jni_registrar.h",
     "android/jni_string.cc",
     "android/jni_string.h",
+    "android/jni_weak_ref.cc",
+    "android/jni_weak_ref.h",
     "android/library_loader/library_loader_hooks.cc",
     "android/library_loader/library_loader_hooks.h",
     "android/memory_pressure_listener_android.cc",
     "android/memory_pressure_listener_android.h",
     "android/java_handler_thread.cc",
     "android/java_handler_thread.h",
     "android/path_service_android.cc",
     "android/path_service_android.h",
     "android/path_utils.cc",
     "android/path_utils.h",
@@ skipping 870 matching lines @@
       "android/java/src/org/chromium/base/PathUtils.java",
       "android/java/src/org/chromium/base/PowerMonitor.java",
       "android/java/src/org/chromium/base/SystemMessageHandler.java",
       "android/java/src/org/chromium/base/SysUtils.java",
       "android/java/src/org/chromium/base/ThreadUtils.java",
       "android/java/src/org/chromium/base/TraceEvent.java",
     ]
     jni_package = "base"
   }
 }