[Android WebView] Clean up global GL resource pt.1

content/renderer/media/android/webmediaplayer_android.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 "content/renderer/media/android/webmediaplayer_android.h"
 
 #include <limits>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 109 matching lines @@
     }
   }
 
   // Defer stream texture creation until we are sure it's necessary.
   stream_id_ = 0;
   needs_establish_peer_ = false;
   current_frame_ = VideoFrame::CreateBlackFrame(gfx::Size(1, 1));
 #endif
   if (stream_texture_factory_) {
     stream_texture_proxy_.reset(stream_texture_factory_->CreateProxy());
-    if (needs_establish_peer_) {
+    if (needs_establish_peer_ && stream_texture_proxy_) {
       stream_id_ = stream_texture_factory_->CreateStreamTexture(
           kGLTextureExternalOES,
           &texture_id_,
           &texture_mailbox_,
           &texture_mailbox_sync_point_);
       ReallocateVideoFrame();
     }
   }
 
   if (WebKit::WebRuntimeFeatures::isLegacyEncryptedMediaEnabled()) {
@@ skipping 712 matching lines @@
     cached_stream_texture_size_ = natural_size;
   }
   return current_frame_;
 }
 
 void WebMediaPlayerAndroid::PutCurrentFrame(
     const scoped_refptr<media::VideoFrame>& frame) {
 }
 
 void WebMediaPlayerAndroid::EstablishSurfaceTexturePeer() {
+  if (!stream_texture_proxy_)
+    return;
+
   if (media_source_delegate_ && stream_texture_factory_) {
     // MediaCodec will release the old surface when it goes away, we need to
     // recreate a new one each time this is called.
     stream_texture_factory_->DestroyStreamTexture(texture_id_);
     stream_id_ = 0;
     texture_id_ = 0;
     texture_mailbox_ = gpu::Mailbox();
     texture_mailbox_sync_point_ = 0;
     stream_id_ = stream_texture_factory_->CreateStreamTexture(
         kGLTextureExternalOES,
@@ skipping 309 matching lines @@
 
 void WebMediaPlayerAndroid::exitFullscreen() {
   proxy_->ExitFullscreen(player_id_);
 }
 
 bool WebMediaPlayerAndroid::canEnterFullscreen() const {
   return manager_->CanEnterFullscreen(frame_);
 }
 
 }  // namespace content