Support WebSocket in WebRequest API.

extensions/common/url_pattern.cc

Index: extensions/common/url_pattern.cc
diff --git a/extensions/common/url_pattern.cc b/extensions/common/url_pattern.cc
index fcd50f676dcf709777b3df33894adeecd3b213e9..72928260fa78f19dfcaf9003539fd0f4c8e7cc31 100644
--- a/extensions/common/url_pattern.cc
+++ b/extensions/common/url_pattern.cc
@@ -31,7 +31,8 @@ const char* const kValidSchemes[] = {
     url::kHttpScheme,         url::kHttpsScheme,
     url::kFileScheme,         url::kFtpScheme,
     content::kChromeUIScheme, extensions::kExtensionScheme,
-    url::kFileSystemScheme,
+    url::kFileSystemScheme,   url::kWsScheme,
+    url::kWssScheme,
 };
 
 const int kValidSchemeMasks[] = {
@@ -42,6 +43,8 @@ const int kValidSchemeMasks[] = {
   URLPattern::SCHEME_CHROMEUI,
   URLPattern::SCHEME_EXTENSION,
   URLPattern::SCHEME_FILESYSTEM,
+  URLPattern::SCHEME_WS,
+  URLPattern::SCHEME_WSS,
 };
 
 static_assert(arraysize(kValidSchemes) == arraysize(kValidSchemeMasks),