Make class lookup lazy in jni_generator when using lazy method lookup.

ui/gl/android/scoped_java_surface.cc

 // 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.
 
 #include "ui/gl/android/scoped_java_surface.h"
 
 #include "base/logging.h"
 #include "jni/Surface_jni.h"
 #include "ui/gl/android/surface_texture.h"
 
@@ skipping 14 matching lines @@
 
 ScopedJavaSurface::ScopedJavaSurface() {
 }
 
 ScopedJavaSurface::ScopedJavaSurface(
     const base::android::JavaRef<jobject>& surface)
     : auto_release_(true),
       is_protected_(false) {
   JNIEnv* env = base::android::AttachCurrentThread();
   RegisterNativesIfNeeded(env);
-  DCHECK(env->IsInstanceOf(surface.obj(), g_Surface_clazz));
+  DCHECK(env->IsInstanceOf(surface.obj(), Surface_clazz(env)));
   j_surface_.Reset(surface);
 }
 
 ScopedJavaSurface::ScopedJavaSurface(
     const SurfaceTexture* surface_texture)
     : auto_release_(true),
       is_protected_(false) {
   JNIEnv* env = base::android::AttachCurrentThread();
   RegisterNativesIfNeeded(env);
   ScopedJavaLocalRef<jobject> tmp(JNI_Surface::Java_Surface_Constructor(
@@ skipping 34 matching lines @@
   JNIEnv* env = base::android::AttachCurrentThread();
   ScopedJavaLocalRef<jobject> surface_ref;
   surface_ref.Reset(env, surface);
   gfx::ScopedJavaSurface scoped_surface(surface_ref);
   scoped_surface.auto_release_ = false;
   scoped_surface.is_protected_ = true;
   return scoped_surface;
 }
 
 }  // namespace gfx