Added SurfaceTextureGLOwner to create / own GL objects.

ui/gl/android/surface_texture.cc

 // Copyright 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/surface_texture.h"
 
 #include <android/native_window_jni.h>
 
 #include "base/android/jni_android.h"
 #include "base/logging.h"
 #include "jni/SurfaceTexturePlatformWrapper_jni.h"
 #include "ui/gl/android/scoped_java_surface.h"
 #include "ui/gl/android/surface_texture_listener.h"
 #include "ui/gl/gl_bindings.h"
 
 namespace gl {
 
 scoped_refptr<SurfaceTexture> SurfaceTexture::Create(int texture_id) {
+  return new SurfaceTexture(CreateJavaSurfaceTexture(texture_id));
+}
+
+base::android::ScopedJavaLocalRef<jobject>
+SurfaceTexture::CreateJavaSurfaceTexture(int texture_id) {
   JNIEnv* env = base::android::AttachCurrentThread();
-  return new SurfaceTexture(
-      Java_SurfaceTexturePlatformWrapper_create(env, texture_id));
+  return Java_SurfaceTexturePlatformWrapper_create(env, texture_id);
 }
 
 SurfaceTexture::SurfaceTexture(
     const base::android::ScopedJavaLocalRef<jobject>& j_surface_texture) {
   j_surface_texture_.Reset(j_surface_texture);
 }
 
 SurfaceTexture::~SurfaceTexture() {
+  DestroyJavaObject();
+}
+
+void SurfaceTexture::DestroyJavaObject() {
+  if (j_surface_texture_.is_null())
+    return;
+
   JNIEnv* env = base::android::AttachCurrentThread();
   Java_SurfaceTexturePlatformWrapper_destroy(env, j_surface_texture_);
+  j_surface_texture_.Reset();
 }
 
 void SurfaceTexture::SetFrameAvailableCallback(
     const base::Closure& callback) {
   JNIEnv* env = base::android::AttachCurrentThread();
   Java_SurfaceTexturePlatformWrapper_setFrameAvailableCallback(
       env, j_surface_texture_,
       reinterpret_cast<intptr_t>(new SurfaceTextureListener(callback, false)));
 }
 
@@ skipping 58 matching lines @@
   Java_SurfaceTexturePlatformWrapper_release(env, j_surface_texture_);
 }
 
 void SurfaceTexture::SetDefaultBufferSize(int width, int height) {
   JNIEnv* env = base::android::AttachCurrentThread();
   Java_SurfaceTexturePlatformWrapper_setDefaultBufferSize(
       env, j_surface_texture_, width, height);
 }
 
 }  // namespace gl