1 files changed, 2 insertions, 2 deletions
diff --git a/media/blink/webaudiosourceprovider_impl.cc b/media/blink/webaudiosourceprovider_impl.cc
index 6efda72..ddc79fe 100644
--- a/media/blink/webaudiosourceprovider_impl.cc
+++ b/media/blink/webaudiosourceprovider_impl.cc
@@ -47,7 +47,7 @@ class AutoTryLock {
 }  // namespace
 
 WebAudioSourceProviderImpl::WebAudioSourceProviderImpl(
-    const scoped_refptr<AudioRendererSink>& sink)
+    const scoped_refptr<RestartableAudioRendererSink>& sink)
     : channels_(0),
       sample_rate_(0),
       volume_(1.0),
@@ -126,6 +126,7 @@ void WebAudioSourceProviderImpl::provideInput(
 
 void WebAudioSourceProviderImpl::Start() {
   base::AutoLock auto_lock(sink_lock_);
+  DCHECK(renderer_);
   DCHECK_EQ(state_, kStopped);
   state_ = kStarted;
   if (!client_)
@@ -172,7 +173,6 @@ void WebAudioSourceProviderImpl::Initialize(
     const AudioParameters& params,
     RenderCallback* renderer) {
   base::AutoLock auto_lock(sink_lock_);
-  CHECK(!renderer_);
   renderer_ = renderer;
 
   DCHECK_EQ(state_, kStopped);