2 files changed, 11 insertions, 0 deletions
diff --git a/content/worker/worker_webkitclient_impl.cc b/content/worker/worker_webkitclient_impl.cc
index 75a822b..d4866d1 100644
--- a/content/worker/worker_webkitclient_impl.cc
+++ b/content/worker/worker_webkitclient_impl.cc
@@ -14,6 +14,7 @@
 #include "content/common/webmessageportchannel_impl.h"
 #include "content/worker/worker_thread.h"
 #include "ipc/ipc_sync_message_filter.h"
+#include "net/base/mime_util.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebBlobRegistry.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURL.h"
@@ -238,6 +239,14 @@ WebString WorkerWebKitClientImpl::mimeTypeForExtension(
   return ASCIIToUTF16(mime_type);
 }
 
+WebString WorkerWebKitClientImpl::wellKnownMimeTypeForExtension(
+    const WebString& file_extension) {
+  std::string mime_type;
+  net::GetWellKnownMimeTypeFromExtension(
+      webkit_glue::WebStringToFilePathString(file_extension), &mime_type);
+  return ASCIIToUTF16(mime_type);
+}
+
 WebString WorkerWebKitClientImpl::mimeTypeFromFile(
     const WebString& file_path) {
   std::string mime_type;
diff --git a/content/worker/worker_webkitclient_impl.h b/content/worker/worker_webkitclient_impl.h
index d38db0e..98df47a 100644
--- a/content/worker/worker_webkitclient_impl.h
+++ b/content/worker/worker_webkitclient_impl.h
@@ -74,6 +74,8 @@ class WorkerWebKitClientImpl : public webkit_glue::WebKitClientImpl,
   virtual WebKit::WebMimeRegistry::SupportsType supportsNonImageMIMEType(
       const WebKit::WebString&);
   virtual WebKit::WebString mimeTypeForExtension(const WebKit::WebString&);
+  virtual WebKit::WebString wellKnownMimeTypeForExtension(
+      const WebKit::WebString&);
   virtual WebKit::WebString mimeTypeFromFile(const WebKit::WebString&);
   virtual WebKit::WebString preferredExtensionForMIMEType(
       const WebKit::WebString&);