ppapi: PPB_VpnProvider: Implement permission check

android_webview/browser/aw_content_browser_client.cc

Index: android_webview/browser/aw_content_browser_client.cc
diff --git a/android_webview/browser/aw_content_browser_client.cc b/android_webview/browser/aw_content_browser_client.cc
index 584122ee25ed7f9ac2f90ff9f769c5eaa7ff4f8f..00c286ffc187b88a07db80c9869e6e9cef75155f 100644
--- a/android_webview/browser/aw_content_browser_client.cc
+++ b/android_webview/browser/aw_content_browser_client.cc
@@ -481,6 +481,13 @@ bool AwContentBrowserClient::AllowPepperSocketAPI(
   return false;
 }
 
+bool AwContentBrowserClient::AllowPepperVpnProviderAPI(
+    content::BrowserContext* browser_context,
+    const GURL& url) {
+  NOTREACHED() << "Android WebView does not support plugins";
+  return false;
+}
+
 void AwContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
       const base::CommandLine& command_line,
       int child_process_id,