Fix potential process-routing id mismatch

content/browser/media/android/media_player_renderer.cc

 // Copyright 2016 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/media_player_renderer.h"
 
 #include <memory>
 
 #include "base/callback_helpers.h"
 #include "content/browser/android/scoped_surface_request_manager.h"
@@ skipping 154 matching lines @@
   media_player_->SetVolume(volume);
 }
 
 base::TimeDelta MediaPlayerRenderer::GetMediaTime() {
   return media_player_->GetCurrentTime();
 }
 
 media::MediaResourceGetter* MediaPlayerRenderer::GetMediaResourceGetter() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   if (!media_resource_getter_.get()) {
-    WebContents* web_contents =
-        WebContents::FromRenderFrameHost(render_frame_host_);
-    RenderProcessHost* host = web_contents->GetRenderProcessHost();
+    RenderProcessHost* host = render_frame_host_->GetProcess();
     BrowserContext* context = host->GetBrowserContext();
     StoragePartition* partition = host->GetStoragePartition();
     storage::FileSystemContext* file_system_context =
         partition ? partition->GetFileSystemContext() : nullptr;
     media_resource_getter_.reset(
         new MediaResourceGetterImpl(context, file_system_context, host->GetID(),
                                     render_frame_host_->GetRoutingID()));
   }
   return media_resource_getter_.get();
 }
@@ skipping 85 matching lines @@
 void MediaPlayerRenderer::CancelScopedSurfaceRequest() {
   if (!surface_request_token_)
     return;
 
   ScopedSurfaceRequestManager::GetInstance()->UnregisterScopedSurfaceRequest(
       surface_request_token_);
   surface_request_token_ = base::UnguessableToken();
 }
 
 }  // namespace content