Allow direct executors in cronet.

components/cronet/android/cronet_url_request_adapter.cc

Index: components/cronet/android/cronet_url_request_adapter.cc
diff --git a/components/cronet/android/cronet_url_request_adapter.cc b/components/cronet/android/cronet_url_request_adapter.cc
index 2e7d84dc3e4a90b379145e14e17fa933c259bc46..555eec439ff6463dda6c121e105de10a1428ea20 100644
--- a/components/cronet/android/cronet_url_request_adapter.cc
+++ b/components/cronet/android/cronet_url_request_adapter.cc
@@ -147,7 +147,6 @@ void CronetURLRequestAdapter::GetStatus(
 void CronetURLRequestAdapter::FollowDeferredRedirect(
     JNIEnv* env,
     const JavaParamRef<jobject>& jcaller) {
-  DCHECK(!context_->IsOnNetworkThread());
   context_->PostTaskToNetworkThread(
       FROM_HERE,
       base::Bind(
@@ -161,7 +160,6 @@ jboolean CronetURLRequestAdapter::ReadData(
     const JavaParamRef<jobject>& jbyte_buffer,
     jint jposition,
     jint jlimit) {
-  DCHECK(!context_->IsOnNetworkThread());
   DCHECK_LT(jposition, jlimit);
 
   void* data = env->GetDirectBufferAddress(jbyte_buffer);