Makes RenderFrameObserver/RenderViewObserver::OnDestruct pure virtual.

content/renderer/media/android/renderer_media_player_manager.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/renderer_media_player_manager.h"
 
 #include "base/command_line.h"
 #include "content/common/media/media_player_messages_android.h"
 #include "content/public/common/renderer_preferences.h"
 #include "content/renderer/media/android/webmediaplayer_android.h"
@@ skipping 263 matching lines @@
 
 media::RendererMediaPlayerInterface* RendererMediaPlayerManager::GetMediaPlayer(
     int player_id) {
   std::map<int, media::RendererMediaPlayerInterface*>::iterator iter =
       media_players_.find(player_id);
   if (iter != media_players_.end())
     return iter->second;
   return NULL;
 }
 
+void RendererMediaPlayerManager::OnDestruct() {
+  delete this;
+}
+
 #if defined(VIDEO_HOLE)
 void RendererMediaPlayerManager::RequestExternalSurface(
     int player_id,
     const gfx::RectF& geometry) {
   Send(new MediaPlayerHostMsg_NotifyExternalSurface(
       routing_id(), player_id, true, geometry));
 }
 
 void RendererMediaPlayerManager::DidCommitCompositorFrame() {
   std::map<int, gfx::RectF> geometry_change;
@@ skipping 24 matching lines @@
 
 bool
 RendererMediaPlayerManager::ShouldUseVideoOverlayForEmbeddedEncryptedVideo() {
   const RendererPreferences& prefs = static_cast<RenderFrameImpl*>(
       render_frame())->render_view()->renderer_preferences();
   return prefs.use_video_overlay_for_embedded_encrypted_video;
 }
 #endif  // defined(VIDEO_HOLE)
 
 }  // namespace content