Enable the embedded L1/EME support in WebView.

content/browser/media/android/browser_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/browser/media/android/browser_media_player_manager.h"
 
 #include "base/command_line.h"
 #include "content/browser/android/content_view_core_impl.h"
 #include "content/browser/media/android/browser_demuxer_android.h"
 #include "content/browser/media/android/media_resource_getter_impl.h"
@@ skipping 449 matching lines @@
         gfx::ScopedJavaSurface::AcquireExternalSurface(surface));
   }
 }
 
 void BrowserMediaPlayerManager::DetachExternalVideoSurface(int player_id) {
   MediaPlayerAndroid* player = GetPlayer(player_id);
   if (player)
     player->SetVideoSurface(gfx::ScopedJavaSurface());
 }
 
+void BrowserMediaPlayerManager::ReleaseExternalVideoSurface(int player_id) {
+  WebContentsViewAndroid* view =
+      static_cast<WebContentsViewAndroid*>(web_contents_->GetView());
+  if (view)
+    view->NotifyExternalSurface(player_id, false, gfx::RectF());
+}
+
 void BrowserMediaPlayerManager::OnNotifyExternalSurface(
     int player_id, bool is_request, const gfx::RectF& rect) {
   if (!web_contents_)
     return;
 
   WebContentsViewAndroid* view =
       static_cast<WebContentsViewAndroid*>(web_contents_->GetView());
   if (view)
     view->NotifyExternalSurface(player_id, is_request, rect);
 }
@@ skipping 87 matching lines @@
   if (player)
     player->SetVolume(volume);
 }
 
 void BrowserMediaPlayerManager::OnReleaseResources(int player_id) {
   MediaPlayerAndroid* player = GetPlayer(player_id);
   if (player)
     player->Release();
 
 #if defined(VIDEO_HOLE)
-  WebContentsViewAndroid* view =
-      static_cast<WebContentsViewAndroid*>(web_contents_->GetView());
-  if (view)
-    view->NotifyExternalSurface(player_id, false, gfx::RectF());
+  ReleaseExternalVideoSurface(player_id);
 #endif  // defined(VIDEO_HOLE)
 }
 
 void BrowserMediaPlayerManager::OnDestroyPlayer(int player_id) {
+#if defined(VIDEO_HOLE)
+  ReleaseExternalVideoSurface(player_id);

[boliu, 2014/01/24 21:56:32]

Maybe question for the media owners.

Why is this needed for both OnReleaseResources and OnDestroyPlayer? Shouldn't
one be enough?

[ycheo (away), 2014/01/28 13:08:53]

OnDestoryPlayer doesn't call OnReleaseResources.
@qinmin,
Is this intended behavior?

[qinmin, 2014/01/28 21:17:05]

OnReleaseResources happens at tab switching, or app goes back ground. And the
video element is still there.
OnDestroyPlayer() happens when video element goes away (or src attribute
changes), so it is a different from the OnReleaseResources().
On 2014/01/24 21:56:32, boliu wrote:

+#endif  // defined(VIDEO_HOLE)
+
   RemovePlayer(player_id);
   if (fullscreen_player_id_ == player_id)
     fullscreen_player_id_ = -1;
 }
 
 void BrowserMediaPlayerManager::OnInitializeCDM(
     int media_keys_id,
     const std::vector<uint8>& uuid,
     const GURL& frame_url) {
   if (uuid.size() != kEmeUuidSize) {
@@ skipping 239 matching lines @@
   if (pending_fullscreen_player_id_ != media_keys_id)
     return;
 
   pending_fullscreen_player_id_ = -1;
   MediaPlayerAndroid* player = GetPlayer(media_keys_id);
   if (player->IsPlaying())
     OnProtectedSurfaceRequested(media_keys_id);
 }
 
 }  // namespace content