Android: lazy initialization for method id.

content/browser/device_orientation/data_fetcher_impl_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 "content/browser/device_orientation/data_fetcher_impl_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "content/browser/device_orientation/orientation.h"
 #include "jni/DeviceOrientation_jni.h"
 
 using base::android::AttachCurrentThread;
 using base::android::CheckException;
 using base::android::GetClass;
-using base::android::GetMethodID;
 using base::android::ScopedJavaGlobalRef;
 using base::android::ScopedJavaLocalRef;
 
 namespace content {
 
 namespace {
 
 // This should match ProviderImpl::kDesiredSamplingIntervalMs.
 // TODO(husky): Make that constant public so we can use it directly.
 const int kPeriodInMilliseconds = 100;
@@ skipping 65 matching lines @@
                                       reinterpret_cast<jint>(this),
                                       rate_in_milliseconds);
 }
 
 void DataFetcherImplAndroid::Stop() {
   DCHECK(!g_jni_obj.Get().is_null());
   Java_DeviceOrientation_stop(AttachCurrentThread(), g_jni_obj.Get().obj());
 }
 
 }  // namespace content