Android: lazy initialization for method id.

content/common/android/surface_texture_bridge.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/common/android/surface_texture_bridge.h"
 
 #include "base/android/jni_android.h"
 #include "base/logging.h"
 #include "content/common/android/surface_texture_listener.h"
 #include "jni/SurfaceTexture_jni.h"
 
 using base::android::AttachCurrentThread;
 using base::android::CheckException;
 using base::android::GetClass;
-using base::android::GetMethodID;
 using base::android::ScopedJavaLocalRef;
 
 namespace {
 bool g_jni_initialized = false;
 
 void RegisterNativesIfNeeded(JNIEnv* env) {
   if (!g_jni_initialized) {
     JNI_SurfaceTexture::RegisterNativesImpl(env);
     g_jni_initialized = true;
   }
@@ skipping 72 matching lines @@
 void SurfaceTextureBridge::SetDefaultBufferSize(int width, int height) {
   JNIEnv* env = AttachCurrentThread();
   CHECK(env);
 
   JNI_SurfaceTexture::Java_SurfaceTexture_setDefaultBufferSize(
       env, j_surface_texture_.obj(), static_cast<jint>(width),
       static_cast<jint>(height));
 }
 
 }  // namespace content