Remove BLINK_ASSERT() and BLINK_ASSERT_NOT_REACHED() macros.

components/plugins/renderer/webview_plugin.cc

Index: components/plugins/renderer/webview_plugin.cc
diff --git a/components/plugins/renderer/webview_plugin.cc b/components/plugins/renderer/webview_plugin.cc
index 5075df369f9b7a6672e282420f09466120ea2024..0f0e9e08008fa27b90633c6b529f958ffab67500 100644
--- a/components/plugins/renderer/webview_plugin.cc
+++ b/components/plugins/renderer/webview_plugin.cc
@@ -255,6 +255,13 @@ void WebViewPlugin::didReceiveResponse(const WebURLResponse& response) {
   response_ = response;
 }
 
+void WebViewPlugin::checkIfAudioSinkExistsAndIsAuthorized(
+    const blink::WebString& sinkId,
+    const blink::WebSecurityOrigin&,
+    blink::WebSetSinkIdCallbacks*) {
+  NOTREACHED();
+}
+
 void WebViewPlugin::didReceiveData(const char* data, int data_length) {
   data_.push_back(std::string(data, data_length));
 }